Gold Member Since 2007
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Zhejiang Guanlong Machinery Valve Co., Ltd.

Regulating Valve, Hydraulic Valve, Pressure Regulating Valve manufacturer / supplier in China, offering Adjustable Pressure Control Valve (420X), 2/3 Way Solenoid Valve DC24V/AC220V, Globe Double Chamber Adjustable Pressure Regulating Pressure Reducing Valve (Yx741X) and so on.

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Adjustable Pressure Control Valve (420X)

FOB Price: US $30 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $30/ Piece
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Port: Ningbo, China
Transport Package: Bubble Plastic Paper + Plywood Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: 420X
  • Standard: ANSI, API, DIN, BS, GB etc
  • Power: Hydraulic
  • Type: Self-Operated
  • Trademark: KARFAR
  • Origin: China
  • Certification: CE, ISO9001
  • Connection Mode: Flange
  • Material: Ci, Di, CS, Ss etc
  • Temperature Applicable: ≤80ºC
  • Specification: DN50 ~ DN800
Product Description
NEW 400X SERIES Diaphragm actuated type Hydraulic Control Valve

Adjustable Pressure Control Valve
Model No. 420X


Size: DN50 ~ DN800
Pressure rating: PN10 (adjusting range 0.1 ~ 0.8Mpa) 
                  PN16 (adjusting range 0.2 ~ 1.4Mpa) 
                  PN25 (adjusting range 0.3 ~ 2.0Mpa) 

This valve can maintain a preset outlet pressure regardless of upstream pressure change or downstream water consumption. Based on the pressure difference between inlet and outlet, the diaphragm device automatically opens and closes accordingly. Needle valve control the operation speed.


Adjustable Pressure Control Valve (420X)
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 
Flange DimensionASME B16.5, BS4504, ISO2531, ISO7005 and other standards 
Face to Face LengthAPI594,BS5155, ISO5752, DIN3352 and other standards 

Order process:
1. Customer send order list or telephone +86-577-67379225
I. Valve type, face to face length; II. Connection type; III. Norminal Diameter; IV. Medium type and temperture, Pressure range; V. Material; VI. Actuator

2. After receiving your list, KARFAR will choose Model and give price.
3. Discuss detail request. dlivery time etc
4. Special requests should include in the contract.


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


Adjustable Pressure Control Valve (420X)
Adjustable Pressure Control Valve (420X)
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