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YOSHITAKE GD-7R Primary Pressure Regulating Valve

Made in Japan
Manufacturer: Yoshitake
Model: GD-7R

  • Simple in structure, less prone to fail and easy to maintain
  • Superior performance especially as relief unit for lubricating oil and heavy oil

Specifications

Features For liquid, piston type
Type Primary pressure regulating valve
Specifications Product type Primary pressure regulating valve/ Pressure sustaining valve
Nominal size 20A (3/4″) – 150A (6″)
Application Water, oil and other non-dangerous fluids
End connection JIS 10K FF flanged
Max. pressure 0.7 MPa
Working pressure 0.05 – 0.7 MPa (*)
Working temperature 5 – 80 degree(C)
Material Body Cast iron
Valve and valve Bronze
Piston Bronze
Spindle Stainless steel

Remarks

*1 20A-50A
A: 0.05-0.25 MPa
B: 0.25-0.45 MPa
C: 0.45-0.7 MPa
65A-150A
A: 0.05-0.2 MPa
B: 0.2-0.5 MPa
C: 0.5-0.7 MPa
*2 Available with maximum temperature of 120 degree(C).
*3 Available with stainless steel made valve disc and valve seat.


Dimensions and Weights

Size L (mm) H (mm) Weight (kg) Cv value
20A(3/4) 170 535 20 2
25A(1) 170 535 22 3
32A(1-1/4) 180 545 23 6
40A(1-1/2) 180 545 23 8
50A(2) 180 565 26 15
65A(2-1/2) 215 680 41 23
80A(3) 260 700 51 30
100A(4) 300 750 66 40
125A(5) 360 810 90 50
150A(6) 382 875 129 60

Dimensional drawing

Dimensional drawing

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