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YOSHITAKE GPK-2003 Pressure Reducing Valve – Steam

Made in Japan
Manufacturer: Yoshitake
Model: GPK-2003

  • Remote air-loaded control
  • Wide adjustment range
  • Stable operation against inlet pressure fluctuation

Specifications

Features For steam, remote control
Type Remote Air-loaded, Pilot operated diaphragm type
Specifications Product type Pilot-operated type
Nominal size 15A (1/2″) – 100A (4″)
Application Steam
End connection JIS Rc screwed,JIS 20K RF flanged,JIS 10K FF flanged
Inlet pressure 0.25 – 2 MPa (0.25 – 1.0 MPa for JIS 10K)
Reduced pressure 0.2 – 1.4 MPa (0.2-0.85MPa for JIS 10K)
Reduced pressure 85% or less of the inlet pressure(gauge pressure)
Min. differential pressure 0.05 MPa
Max. pressure reduction ratio 10 : 1
Working temperature Max. 220 degree(C)
Valve seat leakage 0.01% or less of rated flow
Material Body Ductile cast iron
Main valve, valve seat Stainless steel
Pilot valve, pilot valve seat Stainless steel
Diaphragm Stainless steel

JIS Rc screwed

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

JIS 20K RF flanged

Size L (mm) H (mm) Weight (kg) Cv value
15A(1/2) 146 353 19 5
20A(3/4) 146 353 19.5 7.2
25A(1) 156 359 24.5 10.9
32A(1 1/4) 176 389 27.5 14.3
40A(1 1/2) 196 389 28 18.8
50A(2) 222 453 39.5 32
65A(2 1/2) 282 507 68 54
80A(3) 302 530 75 70
100A(4) 342 613 114.5 108

About flow rate

Specifications Selection Chart
Nominal Size Selection Chart (For Steam)

Dimensional drawing

Dimensional drawing

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