Flange Relief Valve
The valve consists of a main valve and an external control pilot valve. It is mainly installed in the bypass of the protected water supply system of the building to ensure the pressure in the water supply area upstream of the main valve. When the pressure in the water supply pipe exceeds the set pressure of the pressure relief valve, the pressure relief valve is opened to prevent the pipeline and equipment from being damaged due to overpressure. damage. This valve is mainly used for the pressure relief of the fire test circulation system of high-rise buildings, and is an upgraded product of the spring-type safety valve.
Specification
| Model | Inch | Direction | Connection | Working Pressure |
Standard
|
Color |
|---|---|---|---|---|---|---|
| 500X-16Q | DN40-DN500 | Single direction | Flange End | 1.0Mpa/1.6Mpa/2.5Mpa |
ANSI150LB/GB Standard /BS Standard
|
Red/Blue |
Installation requirements
A filter must be installed before the pressure relief/sustaining valve. When adjusting, the screw on the pilot valve should be withdrawn, start the water pump to let the water drain from the pressure relief valve, and gradually screw it into the adjusting screw to gradually increase the pressure until the pressure to be set is reached. Tighten the lock nut after setting
FAQ
Q:Can you accept OEM?
A:Yes, we do customized design for our clients.
Q: What's the MOQ of your products?
A:Our MOQ is one (1) piece/set.
Q: When will make delivery ?
A: Delivery Time
-Sample Order: 1-3 days after receipt of the full payment.-
Stock Order: 3-7days after receipt of the full payment
-OEM Order: 12-20days after receipt of the deposit.
3.After-sales Service
5 year warranty for all kinds of products;
lf you find any defective accessories first time, we will give you the new parts for free to replace in thenext order, as an experienced manufacturer, you can rest assured of the quality and after-sales service.
Hot Tags: pressure relief valve for fire fighting system, China, manufacturers, suppliers, wholesale, price
Features
Working Pressure: 10/16 Bar
Flange End :ANSI150LB/GB Standard /BS Standard;
Steam Material: 2CR13 /Stainless Steel;
Bonnet Material: Ductile Iron ,QT450;
Body Materia: Ductile Iron ,QT450;
Seal Material: Ductile Iron ,QT450,NBR;
Surface Finishing: Epoxy Red or Blue .











