Silent hydraulic (damped) butterfly hinge — soft, quiet closing for interior doors.
| Specifications | 4 Inch | 5 Inch |
|---|---|---|
| Model: HY-Z Series | HY-Z-435 | 5 Inch |
| Max Load Capacity | ≤20kg/pcs | ≤30kg/pcs |
| Service Life | More than 300,000 cycles | More than 500,000 cycles |
| Overall Dimensions | 141x94xΦ22.5 Leaf: 130x35x3.5mm | 148x100xΦ26 Leaf: 138x36x3.5mm |
| Grooving Method | Groove-free | |
| Opening Direction | Single-direction opening, max opening angle 170°, left-hand and right-hand mounting options available | |
| Operating Temperature | Temperature range: -30°C ~ 60°C | |
| Applicable Door Types | Fire doors, wooden doors, aluminum alloy doors—interior doors for hotels, KTVs, offices, and homes. | |
| Notes | Stainless steel hinge leaf thickness: 3mm | |
| Speed Control | Infinitely adjustable closing force; switchable silent & latching-on functions | |
| Functions | Hydraulic damping with three-speed cushioning that absorbs impact. Optional free-stop positioning at any angle beyond 90°, and optional 180° fully automatic closing function | |
From 20,000 pcs per item
30–35 days after order confirmation
3 years
All finishes available — electroplating, electrophoretic coating, brushing, lacquering
Gold Plated (GP) Satin Chrome (SC) Electrophoretic Black (EB) Brushed Natural (BN) Antique Bronze (AB) Antique Copper (AC)
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