Wafer style silent check valve/vacuum breaker valve/backflow valves
USD $12 - $12 /Unit
Min.Order:10 Units
Standard:
1. Design standard: EN 12334
2. Face to face: EN 558-1
3. Flange end: EN 1092-2
4. Pressure test: EN 12266-1
Feature: No noise, fully enclosed, straight-through, anti-"water hammer", the smaller of losing pressure
Uses: water, seawater and so on
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