{"product_id":"mis-124-st-smartork-spirator","title":"MIS-124-ST SmarTork Spirator","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003eMIS-124-ST SmarTork\u003c\/b\u003e is a high-efficiency, tapered-drum door closing reel used to close hoistway doors. Unlike standard flat-drum spirators that lose tension as the spring uncoils, the \u003cb data-path-to-node=\"1\" data-index-in-node=\"188\"\u003eSmarTork\u003c\/b\u003e utilizes a conical (tapered) drum design. This geometry provides \u003cb data-path-to-node=\"1\" data-index-in-node=\"262\"\u003evariable torque\u003c\/b\u003e, increasing the closing force specifically at the end of the door's travel to ensure the interlock \"makes\" reliably without overloading the door operator at the fully open position.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eCore Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eModel:\u003c\/b\u003e MIS-124-ST (SmarTork Series).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003eDrum Type:\u003c\/b\u003e Tapered\/Conical (Variable tension).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\"\u003eCable:\u003c\/b\u003e Nylon-coated stainless steel aircraft cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eMounting:\u003c\/b\u003e Universal 4-inch footprint (compatible with G.A.L., Mac, etc.).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eInternal Component:\u003c\/b\u003e High-tensile clock spring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"4\"\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eElevator Logic\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eMechanical Advantage:\u003c\/b\u003e The tapered drum compensates for spring fatigue. It provides maximum leverage when the door is near the jamb, ensuring the pick-up rollers and interlocks engage even in high-wind or high-friction conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eOperator Relief:\u003c\/b\u003e Because the tension is lower when the door is parked at the \"Open\" limit, it reduces the constant stalled-torque heat on the door operator motor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eClosing Consistency:\u003c\/b\u003e Eliminates the common \"stall\" point 2 inches from the fully closed position, which often plagues standard constant-force spirators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003eKinetic Energy Management:\u003c\/b\u003e Allows for a smoother, more uniform closing speed, making it easier for technicians to adjust the door within code-mandated kinetic energy limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"7\"\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eAccessories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eUniversal Mounting Bracket:\u003c\/b\u003e Heavy-duty steel bracket used to anchor the SmarTork to the header.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eTensioning Hex Key:\u003c\/b\u003e Used to adjust the internal spring tension (adding or removing \"clicks\").\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eReplacement Cable Kits:\u003c\/b\u003e Pre-swaged cables designed specifically for the SmarTork drum diameter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eRetaining Clip:\u003c\/b\u003e A safety pin or clip that prevents the reel from vibrating off the mounting stud.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"10\"\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eMaintenance \u0026amp; Code\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eB44 Closing Force:\u003c\/b\u003e Under \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"25\"\u003eCanadian Elevator Code (B44)\u003c\/b\u003e, the closing force must be measured. The SmarTork must be adjusted so that the force does not exceed \u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"155\"\u003e30 lbf (133 N)\u003c\/b\u003e while still being strong enough to lock the door.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eCable Tracking:\u003c\/b\u003e The tapered drum is sensitive to alignment. If the bracket is bent, the cable will \"jump\" the grooves, leading to fraying or snapping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003ePre-Wrap Tension:\u003c\/b\u003e During installation, a specific number of \"pre-wraps\" (typically 2 to 3) is required before attaching the cable to the door to ensure the spring remains under tension at the \"Closed\" position.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eSpring Inspection:\u003c\/b\u003e If the door fails to close fully even after adding tension, the internal spring has likely lost its \"set\" due to fatigue and the unit must be replaced.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48753297359000,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_2319d30e-3f96-4f43-899e-0346f748b633.jpg?v=1774283740","url":"https:\/\/parts4rem.ca\/products\/mis-124-st-smartork-spirator","provider":"Parts4REM","version":"1.0","type":"link"}