Primary Pressure Regulating Valve GD-21 | Yoshitake Inc.

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Primary Pressure Regulating Valve

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
Image:GD-21

Feature Directacting type / Differential pressure regulating valve
Category Differential pressure regulating valve
Specifications Application Cold and hot water
Regulating differential pressure 0.05 - 0.7MPa(*)
Connection JIS 10K FF flanged
Material Body Ductile cast iron
Valve seat Bronze
Valve disc NBR
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

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Size L (mm) H (mm) Weight (kg) Cv value
15A(1/2) 145 298 8.3 1.5
20A(3/4) 150 298 8.3 2.7
25A(1) 150 320 10.1 4
32A(1-1/4) 195 400 17.4 8.5
40A(1-1/2) 195 400 17.4 11
50A(2) 195 414 19.3 14
65A(2-1/2) 270 572 40 23
80A(3) 270 597 43.7 32.5
100A(4) 308 665 70 48
125A(5) 380 874 144 75
150A(6) 400 929 173 108


Dimensional drawing
Dimensional drawing:GD-21

Data Downloading
CAD external view (205 KB)
Drawing (806 KB)

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