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YOSHITAKE GD-20RC Primary Pressure Regulating Valve

Made in Japan
Manufacturer: Yoshitake
Model: GD-20RC

  • GD-20RC discharges excess pressure and maintain a constant line pressure as a pump relief valve
  • GD-20RC prevents falling water conditions in the open circuits of high-rise buildings
  • Nylon coating

Specifications

Features Direct acting type, nylon coating
Type Primary pressure regulating valve
Specifications Product type Primary pressure regulating valve/ Pressure sustaining valve
Nominal size 15A (1/2″) – 150A (6″)
Application Water, oil, air
End connection JIS 10K FF flanged
Max. pressure 0.7 MPa
Working pressure 0.05 – 0.7 MPa (*)
Working temperature 5 – 60 degree(C)
Material Body Ductile cast iron
Valve NBR
Valve seat Stainless steel or Bronze
Diaphragm NBR

Remarks

* 15A-80A
A: 0.05-0.25 MPa
B: 0.26-0.7 MPa
100A-150A
A: 0.05-0.25 MPa
B: 0.26-0.5 MPa


Dimensions and Weights

Size L (mm) H (mm) Weight (kg) Cv value
15A(1/2) 145 309 8.2 1.5
20A(3/4) 150 309 8.2 2.7
25A(1) 150 330 10 4
32A(1-1/4) 195 395 17.3 8.5
40A(1-1/2) 195 395 17.3 11
50A(2) 195 409 19.2 14
65A(2-1/2) 270 555 40 23
80A(3) 270 582 43.7 32.5
100A(4) 308 645 70 48
125A(5) 380 849 145 75
150A(6) 400 918 175 108

Dimensional drawing

Dimensional drawing

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