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Help CenterCustom Roll Up Garage Door Spring High Performance 6MM X 79MM X 75C
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Certification:ISO 9001:2008 TS 16949,ROHS
Custom Roll Up Garage Door Spring High Performance 6MM X 79MM X 75C
Specifications:
| Material | spring steel |
| Wire diameter | 6mm |
| Outside diameter | 79mm |
| Total coils | 75 |
| Active coils | 75 |
| Direction | Right/left |
| Hardness | HRC 38-40 |
| Surface treatment | oiled |
| Load type | torsion |
| Style | cylinder |
| Usage | roll-up door,construction |
Description:
Roll up door torsion springs counterbalance the weight of the door to make it easy to open and close. They serve the same purpose of counter weights used to balance doors in centuries past and in many doors today.
When torsion springs are wound, they grow in length. Since both ends of the torsion springs on steel rolling doors are secured and cannot move, the spring cannot grow in length. There are two options for fixing this problem. You can stretch the spring yourself with a come-a-long before you secure it to the shaft, or your can purchase pre-stretched springs. This allows the coils to be gapped and to lose most of this gapping when the door closes.
Depending on the application, commercial and industrial doors come in a variety of lifts, including high-lift and vertical-lift.regardless of your spring dimensions, lift system, shaft style, spring system, or number of springs, you can order replacement torsion springs for your commercial or industrial overhead door.
Applications:
Garage door springs counterbalance the weight of the door to make it easy to open and close. They serve the same purpose of counter weights used to balance doors in centuries past and in many doors today.
applications of our torsion springs:
Residential sectional garage doors Commerial sectional overhead doors Industry shutter doors One-piece curtain doors mini-warehouse doors Self-storage doors Roll-up doorsHow to order your garage door springs
For quotation,we need info of your torsion spring as follow:
Inside diameter Wire size Length Type of spring ends Gapped or ungappedAnd before production,we will make drawing to let you confirm.
Send Inquiry to This Supplier
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