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YOSHITAKE GD-20 Pressure Reducing Valve – Water · Oil · Air

Made in Japan
Manufacturer: Yoshitake
Model: GD-20

  • Stable reduced pressure against fluctuation of inlet pressure because of pressure balance mechanism
  • Wetted parts stainless steel or All stainless steel

Specifications

Features For liquid and air, stainless steel
Type Direct-acting type
Specifications Product type Direct-acting type
Nominal size 15A (1/2″) – 100A (4″)
Application Water, oil (kerosene, heavy oil A and B), air, other non-dangerous fluids
End connection JIS 10K FF flanged
Inlet pressure Max. 1 MPa
Reduced pressure 0.05 – 0.7 MPa (*)
Max. temperature 80 degree(C)
Min. differential pressure 0.05 MPa
Max. pressure reduction ratio 10 : 1
Working temperature 5 – 80 degree(C)
Material Body Stainless steel
Valve NBR
Valve seat Stainless steel
Diaphragm NBR

Wetted parts stainless steel

Size L (mm) H (mm) Weight (kg) Cv value
15A(1/2) 145 310 9.8 2.5
20A(3/4) 150 310 9.8 4
25A(1) 150 333 12.0 5
32A(1-1/4) 195 397 20.7 8
40A(1-1/2) 195 397 20.7 12
50A(2) 195 415 23.0 16
65A(2-1/2) 270 555 48.0 28
80A(3) 270 582 52.4 36
100A(4) 308 645 84.0 68
About flow rate
Nominal Size Selection Chart (For Air)
Nominal Size Selection Chart (For Water)

Dimensional drawing

Dimensional drawing

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