Pressure Reducing Valve GP-1000 | Yoshitake Inc.

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Pressure Reducing Valve


* Pilot operated piston type
* Superior durability
* Stable performance
* Valve leakage meets ANSI Class IV
* High reduction ratio (20:1)

Feature Piston type / Ductile cast iron / Flanged
Type Pilot operated piston type
Specifications Application Steam
Inlet pressure 0.1 - 1.0MPa
Reduced pressure 0.05 - 0.9MPa
Connection JIS 10K FF flanged
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
Valve Stainless steel
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 8.0 1
20A(3/4) 155 285 8.5 2.3
25A(1) 160 300 10.0 4
32A(1-1/4) 190 323 14.0 6.5
40A(1-1/2) 190 323 14.5 9
50A(2) 220 347 20.0 16
65A(2-1/2) 245 357 30.0 25
80A(3) 290 404 35.0 36
100A(4) 330 450 52.5 64

[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-1000

Data Downloading
Instruction Manual (485 KB)
Drawing for 15A-50A (240 KB)
Drawing for 65A-80A (235 KB)
Drawing for 100A (234 KB)
CAD external view (104 KB)

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