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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

FeaturesFor steam, remote control
TypeRemote Air-loaded, Pilot operated diaphragm type
SpecificationsProduct typePilot-operated type
Nominal size15A (1/2″) – 100A (4″)
ApplicationSteam
End connectionJIS Rc screwed,JIS 20K RF flanged,JIS 10K FF flanged
Inlet pressure0.25 – 2 MPa (0.25 – 1.0 MPa for JIS 10K)
Reduced pressure0.2 – 1.4 MPa (0.2-0.85MPa for JIS 10K)
Reduced pressure85% or less of the inlet pressure(gauge pressure)
Min. differential pressure0.05 MPa
Max. pressure reduction ratio10 : 1
Working temperatureMax. 220 degree(C)
Valve seat leakage0.01% or less of rated flow
MaterialBodyDuctile cast iron
Main valve, valve seatStainless steel
Pilot valve, pilot valve seatStainless steel
DiaphragmStainless steel

JIS Rc screwed

SizeL (mm)H (mm)Weight (kg)Cv value
15A(1/2)15035317.55
20A(3/4)15035317.57.2
25A(1)16035922.010.9
32A(1 1/4)18038925.014.3
40A(1 1/2)18038925.018.8
50A(2)23045336.532

JIS 20K RF flanged

SizeL (mm)H (mm)Weight (kg)Cv value
15A(1/2)146353195
20A(3/4)14635319.57.2
25A(1)15635924.510.9
32A(1 1/4)17638927.514.3
40A(1 1/2)1963892818.8
50A(2)22245339.532
65A(2 1/2)2825076854
80A(3)3025307570
100A(4)342613114.5108

About flow rate

Specifications Selection Chart
Nominal Size Selection Chart (For Steam)

Dimensional drawing

Dimensional drawing

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