{"product_id":"best-ehd9000-ds90-dst90-door-saver-arm-stop-hold-open-finishes","title":"BEST EHD9000 DS90 \/ DST90 Door Saver Parallel Arm | Stop, Hold-Open \u0026 Finish","description":"\u003cp\u003eThe BEST EHD9000 DS90 and DST90 Door Saver Series comprises heavy-duty push-side parallel arm assemblies with cushioned opening stops for compatible BEST EHD9000 hydraulic surface door closers. Choose DS90 for a non-hold-open cushioned stop or DST90 for the same Door Saver arm family with manually adjustable thumb-turn hold-open. Both styles are available in aluminum, black and dark bronze factory finishes.\u003c\/p\u003e\u003ch3\u003eFactory SKU and Variant Selection\u003c\/h3\u003e\u003cp\u003eOnly the available factory combinations shown below are sold. Confirm the exact model, mounting geometry, function and finish, not just the product picture.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactory SKU\u003c\/th\u003e\n\u003cth\u003eHardware Configuration\u003c\/th\u003e\n\u003cth\u003eProduct Category\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEST-DS90-689\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArm Function: DS90 - Cushioned Stop (No Hold Open); Finish: 689 Aluminum Painted\u003c\/td\u003e\n\u003ctd\u003eDoor Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEST-DS90-693\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArm Function: DS90 - Cushioned Stop (No Hold Open); Finish: 693 Black Painted\u003c\/td\u003e\n\u003ctd\u003eDoor Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEST-DS90-695\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArm Function: DS90 - Cushioned Stop (No Hold Open); Finish: 695 Dark Bronze Painted\u003c\/td\u003e\n\u003ctd\u003eDoor Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEST-DST90-689\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArm Function: DST90 - Thumb-Turn Hold Open; Finish: 689 Aluminum Painted\u003c\/td\u003e\n\u003ctd\u003eDoor Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEST-DST90-693\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArm Function: DST90 - Thumb-Turn Hold Open; Finish: 693 Black Painted\u003c\/td\u003e\n\u003ctd\u003eDoor Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEST-DST90-695\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArm Function: DST90 - Thumb-Turn Hold Open; Finish: 695 Dark Bronze Painted\u003c\/td\u003e\n\u003ctd\u003eDoor Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eKey Configuration Differences\u003c\/h3\u003e\u003cp\u003eDS90 is a stop-only, non-hold-open closer arm: the closer returns toward closed after the door is released. DST90 adds a thumb-turn mechanical hold-open detent, which can hold the door open in the configured position until intentionally released. Both offer cushioned stops with manufacturer mounting arrangements of approximately 85, 90, 100 or 110 degrees. A mechanical hold-open arm must not be used where an unapproved hold-open would compromise a labeled fire door. These are different mechanical functions; select them only according to the hardware schedule and allowed installation.\u003c\/p\u003e\u003ch3\u003eTechnical Selection and Installation Checklist\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eCompatible with appropriately configured BEST EHD9000 Series heavy-duty surface closers\u003c\/li\u003e\n\u003cli\u003ePush-side parallel mounting with an integrated cushioned Door Saver stop\u003c\/li\u003e\n\u003cli\u003eDS90: non-hold-open operation; DST90: manual thumb-turn hold-open mechanism\u003c\/li\u003e\n\u003cli\u003eVerify specific mounting template, door rail clearance, reveal, stop angle and reinforcement\u003c\/li\u003e\n\u003cli\u003eConfirm 689 Aluminum Painted, 693 Black Painted or 695 Dark Bronze finish\u003c\/li\u003e\n\u003cli\u003eFire-rated openings require approved hold-open or automatic closing provisions; verify with AHJ\u003c\/li\u003e\n\u003cli\u003eCommission latch engagement, door opening stop and mechanical detent release\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eProduct Scope and Shipping Information\u003c\/h3\u003e\u003cp\u003eThe selected SKU supplies the specified BEST Door Saver arm assembly, not the EHD9000 hydraulic closer body, complete door, frame, automatic operator or independent mounting plates. All six variants retain their original price, compare-at price, unit cost, 5 lb configured shipping weight, and stock by location.\u003c\/p\u003e\u003ch3\u003eDetailed Technical Specifications by Original Model\u003c\/h3\u003e\u003cp\u003eThe following model-by-model technical information is retained from the original product descriptions so installers can review all specifications and compatibility notes before selecting a variant.\u003c\/p\u003e\u003ch3\u003eDetailed Manufacturer Model Information: BEST-DS90-689, BEST-DS90-693, BEST-DS90-695\u003c\/h3\u003e\u003cp\u003eThe technical specifications and ordering notes in this section apply to this exact factory model or finish selection.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eBEST DS90 Door Saver Parallel Arm\u003c\/strong\u003e is a heavy-duty, \u003cstrong\u003enon-hold-open\u003c\/strong\u003e replacement arm assembly for compatible \u003cstrong\u003eBEST EHD9000 Series\u003c\/strong\u003e commercial surface door closers. This manufacturer-specified arm incorporates an \u003cstrong\u003eintegral cushioned opening stop\u003c\/strong\u003e to help control the door as it approaches its designed opening limit. The DS90 is intended for \u003cstrong\u003epush-side parallel-arm mounting\u003c\/strong\u003e on properly prepared commercial door and frame openings.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003enon-handed design\u003c\/strong\u003e, the DS90 can be used on compatible left- or right-hand openings. Depending on the manufacturer installation template and available door clearance, units can be configured for stop positions of \u003cstrong\u003e85°, 90°, 100°, or 110°\u003c\/strong\u003e, with a maximum opening of \u003cstrong\u003e110° where conditions permit\u003c\/strong\u003e. The DS90 \u003cstrong\u003edoes not hold the door open\u003c\/strong\u003e; the closer returns the door toward the closed position after release.\u003c\/p\u003e\n\u003cp\u003eAvailable in \u003cstrong\u003e689 Aluminum Painted\u003c\/strong\u003e, \u003cstrong\u003e693 Black Painted\u003c\/strong\u003e, and \u003cstrong\u003e695 Dark Bronze\u003c\/strong\u003e finishes. Choose the finish to match your existing closer or commercial door hardware.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty Door Saver arm:\u003c\/strong\u003e Manufacturer-designated assembly for demanding commercial parallel-arm closer applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated cushioned opening stop:\u003c\/strong\u003e Provides controlled resistance near the selected stop position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-hold-open:\u003c\/strong\u003e Allows the compatible closer to return the door to the closed position without a manual hold-open latch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParallel-arm mounting:\u003c\/strong\u003e Configured for push-side mounting on designated BEST EHD9000 closer installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour installation-dependent stop positions:\u003c\/strong\u003e 85°, 90°, 100°, or 110°, with a maximum opening of 110° when conditions permit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-handed:\u003c\/strong\u003e For compatible left-hand and right-hand openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree painted finish options:\u003c\/strong\u003e Aluminum (689), Black (693), and Dark Bronze (695).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArm-only replacement:\u003c\/strong\u003e Replace the specified arm without purchasing an entire hydraulic closer when the existing closer body is serviceable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBEST \/ dormakaba\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDS90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Door Saver Parallel Closer Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Closer Family\u003c\/td\u003e\n\u003ctd\u003eBEST EHD9000 Series; confirm exact model and installation template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eParallel arm \/ push side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpening Stop\u003c\/td\u003e\n\u003ctd\u003eIntegral cushioned opening function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-Open Function\u003c\/td\u003e\n\u003ctd\u003eNo — non-hold-open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop Positions\u003c\/td\u003e\n\u003ctd\u003e85°, 90°, 100°, or 110° depending on installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Door Opening\u003c\/td\u003e\n\u003ctd\u003e110° subject to conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHanding\u003c\/td\u003e\n\u003ctd\u003eNon-handed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish Variants\u003c\/td\u003e\n\u003ctd\u003e689 Aluminum Painted \/ 693 Black Painted \/ 695 Dark Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit of Sale\u003c\/td\u003e\n\u003ctd\u003eOne arm assembly in selected finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulic Closer Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAvailable Finishes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDS90 689 – Aluminum Painted:\u003c\/strong\u003e Neutral aluminum-color finish for commercial door hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDS90 693 – Black Painted:\u003c\/strong\u003e Black finish for coordinated architectural hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDS90 695 – Dark Bronze:\u003c\/strong\u003e Dark bronze finish for coordinating openings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompare BEST Door Saver Arm Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDS90:\u003c\/strong\u003e Heavy-duty parallel Door Saver arm with cushioned stop; \u003cstrong\u003enon-hold-open — this product\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDST90:\u003c\/strong\u003e Heavy-duty parallel Door Saver arm with stop and thumb-turn hold-open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDS90:\u003c\/strong\u003e Heavy-duty parallel arm with spring\/compression stop; non-hold-open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDST90:\u003c\/strong\u003e Heavy-duty parallel arm with hold-open and spring\/compression stop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose the model identified by the manufacturer for the installed closer and opening. An arm with or without hold-open is not interchangeable solely based on appearance.\u003c\/p\u003e\n\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial office and retail doors\u003c\/li\u003e\n\u003cli\u003eSchools, hospitals, and institutional facilities\u003c\/li\u003e\n\u003cli\u003eIndustrial and warehouse personnel doors\u003c\/li\u003e\n\u003cli\u003eCommercial facility maintenance and door closer repairs\u003c\/li\u003e\n\u003cli\u003ePush-side doors requiring a designated cushioned opening stop\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm the \u003cstrong\u003eBEST EHD9000\u003c\/strong\u003e closer model, door and frame geometry, push-side parallel mounting, available clearance, and required stop position before ordering. Use the applicable BEST\/dormakaba installation instructions and manufacturer-specified mounting hardware. This arm is \u003cstrong\u003enon-hold-open\u003c\/strong\u003e; it is not a substitute for any separately required wall stop or overhead stop where the installation calls for one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e One BEST DS90 heavy-duty parallel arm assembly in the selected finish. \u003cstrong\u003eNot included:\u003c\/strong\u003e Hydraulic door closer body, cover, and any separately required accessories unless supplied with the specified arm package.\u003c\/p\u003e\n\n\u003ch2\u003eShipping Information\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e \u003cstrong\u003e5 lb per arm assembly\u003c\/strong\u003e for Shopify product shipping calculations, as provided for this listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Method:\u003c\/strong\u003e Standard parcel shipping, including UPS Ground where service is available and the final package dimensions permit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e One arm assembly per unit ordered.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective carton with cushioning to protect the finished arm and mounting components from scratches or shipping damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e Verify the final boxed dimensions before purchasing shipping labels or calculating dimensional weight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Note:\u003c\/strong\u003e The hydraulic closer body is not included. Actual carrier charges and transit estimates depend on destination and service.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose BEST DS90?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEST DS90\u003c\/strong\u003e provides a manufacturer-specified heavy-duty parallel Door Saver arm with a cushioned opening stop for qualifying EHD9000 closer installations. Its non-hold-open operation, adjustable stop position options, and coordinated finishes make it a practical choice for commercial door service and maintenance.\u003c\/p\u003e\n\u003ch3\u003eModel \u0026amp; Configuration Buying Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e BEST DS90 Door Saver Heavy-Duty Parallel Arm with Stop | Multiple Finishes. \u003cstrong\u003eManufacturer\/distributor designation:\u003c\/strong\u003e BEST. This product is part of the Door Closer Arm category and should be selected by its actual factory ordering code, intended application and installed door hardware. Use the exact SKU when placing a replacement or construction order.\u003c\/p\u003e\n\u003ch4\u003eAvailable SKUs and Configurations\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eShopify SKU\u003c\/th\u003e\n\u003cth\u003eConfigured Option\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEST-DS90-689\u003c\/td\u003e\n\u003ctd\u003eFinish: 689 Aluminum Painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEST-DS90-693\u003c\/td\u003e\n\u003ctd\u003eFinish: 693 Black Painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEST-DS90-695\u003c\/td\u003e\n\u003ctd\u003eFinish: 695 Dark Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe arm assembly must match the exact \u003cstrong\u003ecloser model, mounting location, door swing, frame reveal, and opening angle\u003c\/strong\u003e. A regular or top-jamb arm is not a substitute for a parallel arm or a stop\/track arrangement. The model in this listing is an \u003cstrong\u003earm or arm kit\u003c\/strong\u003e; a complete hydraulic closer body is not included unless the existing description explicitly specifies otherwise.\u003c\/p\u003e\n \u003ch4\u003eModel-Specific Features\u003c\/h4\u003e\u003cp\u003eCheck whether this model provides \u003cstrong\u003ehold-open, non-hold-open, spring stop, cushioned Door Saver, plunger, or track\u003c\/strong\u003e operation. Use the exact product title and SKU when matching the existing arm to the door hardware schedule; physical mounting dimensions and compatible closer body series differ by arm family.\u003c\/p\u003e\n \u003ch4\u003eInstaller and Replacement Checklist\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eIdentify the existing closer body and confirm the named compatible 7000\/8000, HD8000, or EHD9000 series as applicable.\u003c\/li\u003e\n\u003cli\u003eMeasure reveal and top-rail\/soffit clearances; identify push-side vs pull-side mounting.\u003c\/li\u003e\n\u003cli\u003eCheck required fasteners, arm shoe, bracket, parallel plate, spindle\/shaft and stop components before ordering.\u003c\/li\u003e\n\u003cli\u003eObserve opening-angle limits and available frame clearance; confirm backcheck and door stop requirements for heavy-traffic doors.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical hold-open is permitted at the opening; fire-rated doors may require an approved automatic-release arrangement.\u003c\/li\u003e\n\u003cli\u003eRetain a compatible closer's hydraulic adjustment schedule and follow current manufacturer installation instructions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eCommercial Door Worx Order Verification\u003c\/h4\u003e\u003cp\u003eBefore purchasing, confirm the existing opening's required hardware function and ordered SKU, and verify the current manufacturer's mounting or wiring instructions. Separate \u003cem\u003einstallation, keying, operator integration, compliance, and accessories\u003c\/em\u003e may be needed beyond the item described. Quantities, finish choices and selling prices are determined by the selected store variant.\u003c\/p\u003e\n\u003ch3\u003eDetailed Manufacturer Model Information: BEST-DST90-689, BEST-DST90-693, BEST-DST90-695\u003c\/h3\u003e\u003cp\u003eThe technical specifications and ordering notes in this section apply to this exact factory model or finish selection.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eBEST DST90 Door Saver Arm\u003c\/strong\u003e is a \u003cstrong\u003eheavy-duty parallel door closer arm with an integral cushioned stop and adjustable thumb-turn hold-open\u003c\/strong\u003e. It is designed for compatible \u003cstrong\u003eBEST EHD9000 Series\u003c\/strong\u003e commercial surface door closers and is intended for \u003cstrong\u003epush-side parallel-arm installations\u003c\/strong\u003e on suitable commercial openings.\u003c\/p\u003e\n\u003cp\u003eUnlike the standard DS90 non-hold-open arm, the \u003cstrong\u003eDST90 includes a manually operated thumb-turn detent\u003c\/strong\u003e that can hold the door open at its installed stop position when activated. The Door Saver cushioning helps reduce abrupt opening impact at the configured limit. The arm is \u003cstrong\u003enon-handed\u003c\/strong\u003e for properly configured left-hand and right-hand doors.\u003c\/p\u003e\n\u003cp\u003eManufacturer installation arrangements support stop or stop-and-hold-open settings of \u003cstrong\u003e85°, 90°, 100°, or 110°\u003c\/strong\u003e, with a maximum door opening of \u003cstrong\u003e110° where door, frame and installation conditions permit\u003c\/strong\u003e. Choose \u003cstrong\u003e689 Aluminum Painted\u003c\/strong\u003e, \u003cstrong\u003e693 Black Painted\u003c\/strong\u003e, or \u003cstrong\u003e695 Dark Bronze\u003c\/strong\u003e to coordinate with existing commercial door hardware.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable thumb-turn hold-open:\u003c\/strong\u003e Manual detent engages at the configured opening position and releases when the door is pulled away from hold-open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Door Saver cushioning:\u003c\/strong\u003e Helps absorb opening impact near the selected stop position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty commercial construction:\u003c\/strong\u003e Designed for compatible BEST EHD9000 Series closer installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-side parallel-arm mounting:\u003c\/strong\u003e Manufacturer-specified configuration for applicable commercial openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable stop or hold-open positions:\u003c\/strong\u003e 85°, 90°, 100°, or 110°, subject to installation conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-handed:\u003c\/strong\u003e Suitable for properly configured right-hand or left-hand doors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoordinated painted finishes:\u003c\/strong\u003e 689 Aluminum, 693 Black, and 695 Dark Bronze.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArm-only replacement:\u003c\/strong\u003e Repair or upgrade an existing compatible closer installation without replacing a serviceable hydraulic closer body.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBEST \/ dormakaba\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDST90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Door Saver Parallel Arm with Thumb-Turn Hold-Open\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Closer Series\u003c\/td\u003e\n\u003ctd\u003eBEST EHD9000; confirm exact closer and installation template\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eParallel arm \/ push side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop Function\u003c\/td\u003e\n\u003ctd\u003eIntegral cushioned opening stop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHold-Open Type\u003c\/td\u003e\n\u003ctd\u003eManual thumb-turn detent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop \/ Hold-Open Settings\u003c\/td\u003e\n\u003ctd\u003e85°, 90°, 100° or 110°, depending on installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Door Opening\u003c\/td\u003e\n\u003ctd\u003eUp to 110°, conditions permitting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHanding\u003c\/td\u003e\n\u003ctd\u003eNon-handed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Finishes\u003c\/td\u003e\n\u003ctd\u003e689 Aluminum Painted \/ 693 Black Painted \/ 695 Dark Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e5 lb per unit (provided shipping weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eOne arm assembly in selected finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulic Closer Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFinish Options\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDST90 689 — Aluminum Painted:\u003c\/strong\u003e Aluminum-color painted architectural finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDST90 693 — Black Painted:\u003c\/strong\u003e Black finish for matching dark commercial door hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDST90 695 — Dark Bronze:\u003c\/strong\u003e Dark bronze painted finish for coordinated openings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow the Thumb-Turn Hold-Open Works\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivate:\u003c\/strong\u003e Turn the thumb adjustment until its detent projects from the connecting arm as described in the manufacturer's instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngage:\u003c\/strong\u003e Swing the door to its configured hold-open position until the detent engages the ball on the mounting plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelease:\u003c\/strong\u003e Pull the door to disengage the detent so the compatible closer can resume normal closing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eCompare BEST EHD9000 Door Saver Arms\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDS90:\u003c\/strong\u003e Door Saver cushioned parallel arm without hold-open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDST90:\u003c\/strong\u003e \u003cstrong\u003eThis product\u003c\/strong\u003e — cushioned parallel arm with thumb-turn hold-open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDS90:\u003c\/strong\u003e Spring Stop Door Saver parallel arm without hold-open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDST90:\u003c\/strong\u003e Spring Stop Door Saver parallel arm with thumb-turn hold-open.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese arm assemblies have different functions and should not be substituted without verifying the BEST installation template and opening requirements.\u003c\/p\u003e\n\u003ch2\u003eRecommended Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCommercial office and retail entrances\u003c\/li\u003e\n\u003cli\u003eIndustrial and warehouse personnel doors\u003c\/li\u003e\n\u003cli\u003eSchool, healthcare, and institutional openings where manual hold-open is permitted\u003c\/li\u003e\n\u003cli\u003eBEST EHD9000 closer repair and maintenance projects\u003c\/li\u003e\n\u003cli\u003ePush-side parallel-arm doors requiring cushioned opening control and adjustable manual hold-open\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm the existing closer is a compatible BEST EHD9000 model and verify the door and frame preparation, mounting side, clearance, required stop angle, and applicable manufacturer installation instructions. Test the hold-open mechanism after installation and ensure the door operates properly when the detent is released.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLife-safety caution:\u003c\/strong\u003e Do not use manual mechanical hold-open on an opening required to self-close and latch for fire protection unless the completed installation is specifically approved and code compliant. Refer to local requirements and manufacturer guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e One BEST DST90 arm assembly in the selected finish. \u003cstrong\u003eNot included:\u003c\/strong\u003e The hydraulic closer body, closer cover, or independently ordered accessories.\u003c\/p\u003e\n\u003ch2\u003eShipping Information\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eConfigured Shipping Weight:\u003c\/strong\u003e \u003cstrong\u003e5 lb per arm assembly\u003c\/strong\u003e, as provided for this product.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Method:\u003c\/strong\u003e Standard commercial parcel service, such as UPS Ground, when supported by the destination and package dimensions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e One DST90 arm assembly per unit purchased.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective carton and cushioning to protect the arm components, finished surfaces, and thumb-turn detent during shipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e Verify the finished carton dimensions for accurate carrier-calculated shipping and labels. Carrier dimensional weight may affect the final rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExclusions:\u003c\/strong\u003e Closer body and other separately ordered door hardware are not included.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the BEST DST90?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEST DST90\u003c\/strong\u003e combines a heavy-duty Door Saver cushioned stop with a convenient thumb-turn hold-open mechanism, offering a manufacturer-specified option for compatible EHD9000 parallel-arm installations where manual hold-open is permitted.\u003c\/p\u003e\n\u003ch3\u003eModel \u0026amp; Configuration Buying Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e BEST DST90 Door Saver Heavy-Duty Parallel Arm – Thumb-Turn Hold Open | Multiple Finishes. \u003cstrong\u003eManufacturer\/distributor designation:\u003c\/strong\u003e BEST. This product is part of the Door Closer Arm category and should be selected by its actual factory ordering code, intended application and installed door hardware. Use the exact SKU when placing a replacement or construction order.\u003c\/p\u003e\n\u003ch4\u003eAvailable SKUs and Configurations\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eShopify SKU\u003c\/th\u003e\n\u003cth\u003eConfigured Option\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEST-DST90-689\u003c\/td\u003e\n\u003ctd\u003eFinish: 689 Aluminum Painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEST-DST90-693\u003c\/td\u003e\n\u003ctd\u003eFinish: 693 Black Painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEST-DST90-695\u003c\/td\u003e\n\u003ctd\u003eFinish: 695 Dark Bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe arm assembly must match the exact \u003cstrong\u003ecloser model, mounting location, door swing, frame reveal, and opening angle\u003c\/strong\u003e. A regular or top-jamb arm is not a substitute for a parallel arm or a stop\/track arrangement. The model in this listing is an \u003cstrong\u003earm or arm kit\u003c\/strong\u003e; a complete hydraulic closer body is not included unless the existing description explicitly specifies otherwise.\u003c\/p\u003e\n \u003ch4\u003eModel-Specific Features\u003c\/h4\u003e\u003cp\u003eCheck whether this model provides \u003cstrong\u003ehold-open, non-hold-open, spring stop, cushioned Door Saver, plunger, or track\u003c\/strong\u003e operation. Use the exact product title and SKU when matching the existing arm to the door hardware schedule; physical mounting dimensions and compatible closer body series differ by arm family.\u003c\/p\u003e\n \u003ch4\u003eInstaller and Replacement Checklist\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eIdentify the existing closer body and confirm the named compatible 7000\/8000, HD8000, or EHD9000 series as applicable.\u003c\/li\u003e\n\u003cli\u003eMeasure reveal and top-rail\/soffit clearances; identify push-side vs pull-side mounting.\u003c\/li\u003e\n\u003cli\u003eCheck required fasteners, arm shoe, bracket, parallel plate, spindle\/shaft and stop components before ordering.\u003c\/li\u003e\n\u003cli\u003eObserve opening-angle limits and available frame clearance; confirm backcheck and door stop requirements for heavy-traffic doors.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical hold-open is permitted at the opening; fire-rated doors may require an approved automatic-release arrangement.\u003c\/li\u003e\n\u003cli\u003eRetain a compatible closer's hydraulic adjustment schedule and follow current manufacturer installation instructions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eCommercial Door Worx Order Verification\u003c\/h4\u003e\u003cp\u003eBefore purchasing, confirm the existing opening's required hardware function and ordered SKU, and verify the current manufacturer's mounting or wiring instructions. Separate \u003cem\u003einstallation, keying, operator integration, compliance, and accessories\u003c\/em\u003e may be needed beyond the item described. Quantities, finish choices and selling prices are determined by the selected store variant.\u003c\/p\u003e","brand":"BEST","offers":[{"title":"DS90 - Cushioned Stop (No Hold Open) \/ 689 Aluminum Painted","offer_id":67985324638423,"sku":"BEST-DS90-689","price":151.25,"currency_code":"USD","in_stock":true},{"title":"DS90 - Cushioned Stop (No Hold Open) \/ 693 Black Painted","offer_id":67985324671191,"sku":"BEST-DS90-693","price":151.25,"currency_code":"USD","in_stock":true},{"title":"DS90 - Cushioned Stop (No Hold Open) \/ 695 Dark Bronze Painted","offer_id":67985324703959,"sku":"BEST-DS90-695","price":151.25,"currency_code":"USD","in_stock":true},{"title":"DST90 - Thumb-Turn Hold Open \/ 689 Aluminum Painted","offer_id":68003162751191,"sku":"BEST-DST90-689","price":194.38,"currency_code":"USD","in_stock":true},{"title":"DST90 - Thumb-Turn Hold Open \/ 693 Black Painted","offer_id":68003162783959,"sku":"BEST-DST90-693","price":194.38,"currency_code":"USD","in_stock":true},{"title":"DST90 - Thumb-Turn Hold Open \/ 695 Dark Bronze Painted","offer_id":68003162816727,"sku":"BEST-DST90-695","price":194.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/4933\/1927\/files\/BES_DS90_613-ill.png?v=1793828732","url":"https:\/\/shop.commercialdoorworx.com\/products\/best-ehd9000-ds90-dst90-door-saver-arm-stop-hold-open-finishes","provider":"Commercial Door Worx","version":"1.0","type":"link"}