Pressure Reducing Valve GP-1010 | Yoshitake Inc.

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Pressure Reducing Valve



Feature Piston type / Ductile cast iron / Screwed
Type Pilot operated piston type
Specifications Application Steam
Inlet pressure 0.1 - 1.0MPa
Reduced pressure 0.05 - 0.9MPa
Connection JIS Rc screwed
Adjustable reduced pressure 90% or less of the inlet pressure(gauge pressure)
Min. differential pressure 0.05MPa
Max. pressure reduction ratio 20:1
Max. temperature 220 degree(C)
Material Body Ductile cast iron
Main valve & seat Stainless steel
Pilot valve & seat Stainless steel
Piston & Cylinder Brass or bronze

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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) 150 285 7.0 1
20A(3/4) 155 285 7.0 2.3
25A(1) 160 300 8.5 4
32A(1 1/4) 190 323 12.0 6.5
40A(1 1/2) 190 323 12.5 9
50A(2) 220 347 18.0 16

[About flow rate]
Please refer to the nominal size selection chart when the inlet pressure is 0.6 MPa or more and the pressure reduction ratio exceeds 10:1.

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

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Dimensional drawing
Dimensional drawing:GP-1010

Data Downloading
Instruction Manual (485 KB)
Drawing (231 KB)
CAD external view (79 KB)

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