Nylon Reinforcement Diaphragm And Pilot Operated Water Pressure Sustaining Relief Valve With EPOXY Coated

Description:

A500 Pressure Sustaining / Relief valve can perform following functions.

1.pressure relief valve

1-1.When system pressure exceeds pre-set pressure, main valve will open immediately.

1-2.When system pressure lower than pre-set pressure, main valve will close slowly.

1-3.The pump start up or shut down will always generate surge

2. pressure sustaining valve: 

2-1.To keep upstream flow area above min. setting pressure

2-2.Can provide water for both area- synchronous transmission 

Feature:

Accurate Pressure Control
Fast Opening to Maintain Line Pressure
Completely Automatic Operation

Nylon reinforced diaphragm for long term sevice.

Ductile iron bodies for higher strength and durability.

Meet standards BS EN 1074-5, ISO5208, BS EN 12266-1, BS EN 558-1

Top and seat ring guided stem and diaphragm assembly for long life and reliability.

Materials And Dimension

DN50-DN350

DN400-DN800