Professional 3 Inch Hydraulic Check Valves Preventing Backflow With FPM Gasket

Option of Hydraulic check valves

1. Connection:  Weld, Thread

2. SEAL: NBR, FPM,PTEF all according to FDA177.2600

3. Standard: DIN,SMS, RJT, IDF, ISO, 3A

Specification

Applications:

1. Check valve is a valve that prevents the fluid from flowing back and ensures to flow in only one direction.

2. It can be used to prevent the flow less from returning avoid pipe-hammering

3. It is used in the food processing,beverages, wine, oil,cosmetics, pharmaceutical and chemical industries.

Operating Principle

The valve opens when the pressure of the fluid exceeds the pressure to spring, When the two pressures are equalised, the valve closes, A stronger counter – pressure also makes the valve close.

Certificate

Donjoy manufacture products certified by 3A,CE,FDA and so on, according to GMP, EHEDG standard. Production strictly enforce ISO9001-2008 management system.