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Zhejiang Guanlong Machinery Valve Co., Ltd.

Pressure Release Valve, Control Valve, Hydraulic Valve manufacturer / supplier in China, offering Pressure Relief / Sustaining / Emergency Open Valve (GL500X), 2/3 Way Solenoid Valve DC24V/AC220V, Globe Double Chamber Adjustable Pressure Regulating Pressure Reducing Valve (Yx741X) and so on.

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Supplier Homepage Product Water Control Valve Pressure reducing valve/ Pressure relief valve Pressure Relief / Sustaining / Emergency Open Valve (GL500X)

Pressure Relief / Sustaining / Emergency Open Valve (GL500X)

FOB Price: US $25-500 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $25-500/ Piece
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Port: Ningbo, China
Production Capacity: 5000PCS/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: GL500X
  • Temperature: Ordinary Temperature
  • Pressure: Adjustable
  • Structure: Diaphragm/ Piston
  • Temperature Applicable: ≤80ºC
  • Pressure Rating: Pn10, Pn16, Pn25, Cl150, Cl300
  • Transport Package: Bubble Plastic Paper + Plywood Case
  • Origin: China
  • Certification: ISO, CE
  • Connection: Flange
  • Closed: Closed
  • Material: Ci, Di, CS, Ss etc
  • Medium Applicable: Water, Oil etc
  • Trademark: KARFAR
  • Specification: DN50 ~ DN800
  • HS Code: 8481804090
Product Description
Pressure Relief / Sustaining / Emergency Open Valve
MODEL NO.: GL500X

Pressure Relief / Sustaining / Emergency Open Valve (GL500X)Pressure Relief / Sustaining / Emergency Open Valve (GL500X)

Δ Pressure relief valve: This valve releases pressure from the pipeline when the pressure is higher than a preset data by the pilot. It keeps the pressure in pipeline safely below a certain value and protects pipeline equipment from damage due to high pressure or sudden pressure wave.

This model can be used to release pressure for fire protection testing recycling system in high building and protect system from danger of high pressure.

Δ Pressure Sustaining/holding valve: This valve also functions to keep upper stream pressure higher than a preset data by the pilot so as to secure the upper stream water supply pressure. 

Emergency Open Valve:  This valve can be mounted at the outlet port of fire spraying pump. It will immediately open when the pressure at pump outlet port is higher than a preset value.


Pressure rating: PN10, PN16, PN25 , CL150, CL300
Size :  DN50-DN800
 
Body & BonnetCast iron, Ductile iron, Cast steel, Stainless steel etc
StemStainless steel
DiscBrass, Carbon steel, Ductile iron etc
SeatBrass, Stainless steel, Carbon steel etc
SealingNBR etc
DiaphragmNBR, EPDM
PistonBrass, Carbon steel, Ductile iron etc
Flange DimensionASME B16.5, BS4504, ISO2531, ISO7005 and other standards 
Face to Face LengthAPI594,BS5155, ISO5752, DIN3352 and other standards 

We also manufacture as per your request or drawing.
We welcome your comments and inquiries.
company website: http://en.chinaguanlong.net/ 

TEL: 0086-577-67379225, 67318107  

Pressure Relief / Sustaining / Emergency Open Valve (GL500X)
Pressure Relief / Sustaining / Emergency Open Valve (GL500X)
 
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