Zhejiang Guanlong Valve Machinery Co., Ltd.

home products Hydraulic Control Valves Pressure Relief Valve/Pressure Holding Valve

Pressure Relief Valve/Pressure Holding Valve

Product Details:

certification	ISO, AZ
Standard or Nonstandard	Standard
Media	Water
Material	cast iron,strainless steel
Model Number	500X
Brand Name	K
Power	automatic
Pressure	Medium Pressure
Temperature of Media	Medium Temperature
Structure	Control
Place of Origin	Zhejiang, China (Mainland)

Payment & Shipping Terms:

Minimum Order Quantity:	1 Set/Sets 10pcs
Packaging Details:	Inner packing: Plastic package Outer packing: Plywood case
Delivery Time:	around 15 days
Payment Terms:	L/C,T/T
Supply Ability:	2,500MT/year

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Detailed Product Description

Description of Pressure Relief Valve/Pressure Holding Valve (500X)

Pressure Release Valve:functioned to release the pressure in pipeline which is in excess of the safe preset value of pilot valve, and to maintain in the pressure in pipeline below a certain safe value, thus to prevent pipeline equipments from damage due to high or sudden pressure.

This valve is used to release the pressure of fire control test circulating system in high-rises to prevent the system from danger due to excessive hydraulic pressure.

Pressure holding valve:functioned to maintain the water supply pressure at the upper stream of main valve over a certain preset value.

Emergency Open Valve:mounted at the water outlet of fire spraying pump, it will immediately open when the pressure at pump outlet rises over a certain preset value.

Specifications
1) Size: 2" - 40"
2) Class: 150lbs - 600lbs

Main materials:
1) Body and bonnet: cast iron, ductile cast iron, WCB, WCA,
WCC, A351, 304, 340L, 316, 316L17-4PH
2) Disc: brass, stainless steel, carbon steel
3) Stem: stainless steel