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YOSHITAKE GD-21 Differential Pressure Regulating Valve

Made in Japan
Manufacturer: Yoshitake
Model: GD-21

  • Most suitable for relief valve of a pump in closed circuit
  • No leakage when closed due to single seat valve and valve disc

Specifications

FeaturesFor water, differential pressure regulating valve
TypeDifferential pressure regulating valve
SpecificationsProduct typeDifferential pressure regulating valve
Nominal size15A (1/2″) – 150A (6″)
ApplicationWater
End connectionJIS 10K FF flanged
Max. pressure0.7 MPa
Working pressure0.05 – 0.7 MPa (*)
Working temperature5 – 80 degree(C)
MaterialBodyDuctile cast iron
ValveNBR
Valve seatStainless steel or Bronze
DiaphragmNBR

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

SizeL (mm)H (mm)Weight (kg)Cv value
15A(1/2)1452988.31.5
20A(3/4)1502988.32.7
25A(1)15032010.14
32A(1-1/4)19540017.48.5
40A(1-1/2)19540017.411
50A(2)19541419.314
65A(2-1/2)2705724023
80A(3)27059743.732.5
100A(4)3086657048
125A(5)38087414475
150A(6)400929173108

Dimensional drawing

Dimensional drawing

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