Recommended type for Fire Door, UL 10C CertifiedMeet with ANSI 156.4 Grade 1.10 years Guarantee2 Million Life Cycles
Multi-size,Adjustable Spring force from 1~4,3~6Rack and pinion mechanism contained in a hightensile precision cast aluminum housing.
Needle Bearing
optional Delay Action and Slim/Full Plastic CoverADA:5014 with Barrier Free (BF) Function for elderly /handicapped
Universal application.Non-handed for standard,top jamb or parallel arm installation.
Q: What certificate do you have?
A: We have CE, UL, ANSI, UKCA, BHMA and CERTIFIRE certificate, all of our products follow up the international standard.
Q: Do you accept OEM or ODM?
A: Yes, we accept OEM and ODM.
Q: Could you send me samples before place an order?
A: Sure, we can provide samples for quality checking.
Q: How long is the delivery time?
A: 30 days.
Q: How about the payment terms?
A: T/T, L/C and D/P.
Q: How about your quality warranty?
A: We provide 5 years quality guarantee.
Audited Supplier 
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