Pressure Reducing Valve GPK-2003 | Yoshitake Inc.

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Pressure Reducing Valve


* Large capacity
* Accurate control
* Loading / Setting pressure ratio 1:3.5

Feature Remote control / Ductile cast iron
Type Remote Air-loaded / Pilot operated diaphragm type
Specifications Application Steam
Inlet pressure 0.1 - 2.0MPa
Reduced pressure 0.1 - 1.4MPa
Connection JIS Rc screwed , JIS 20K RF flanged , JIS 10K FF flanged
Adjustable reduced pressure 85% or less of the inlet pressure(gauge pressure)
Min. differential pressure 0.05MPa
Max. pressure reduction ratio 10:1
Max. temperature 220 degree(C)
Material Body Ductile cast iron
Valve & seat Stainless steel
Diaphragm Stainless steel

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Enter a value in the following field for a calculation of flow rate.
Inlet pressure: MPa Reduced pressure: MPa
* Whenever you change values, be sure to click on the "Calculate" button.
Capacity may vary according to the installation condition.
Please contact the international Dept. when placing an order.

Size L (mm) H (mm) Weight (kg) Cv value
15A(1/2) 150 353 17.5 5
20A(3/4) 150 353 17.5 7.2
25A(1) 160 359 22.0 10.9
32A(1 1/4) 180 389 25.0 14.3
40A(1 1/2) 180 389 25.0 18.8
50A(2) 230 453 36.5 32

[About flow rate]

Selection data: Specifications Selection Chart  Nominal Size Selection Chart (For Steam) 

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Dimensional drawing
Dimensional drawing:GPK-2003

Data Downloading
Instruction Manual (935 KB)
CAD external view (364 KB)
Drawing(15-40A) (294 KB)
Drawing(50A) (293 KB)

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