Floor Spring
Update：3/21/2014 10:59:22 AM View：1223
- Type： DMFS-84
- Description：
Dorma type double cylinder floor hinge
Max bearing door weight：100-120kg
Introduction
1. Material:Stainless steel cover
2. Finish:Satin,Polish
3. Use low temperature hydraulic oil,can working well forty degrees below zero
4. 90 degree hold and non-hold open
5. More than 500,000 times working cycles
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