Pressure Reducing Valve GD-7B | Yoshitake Inc.

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Pressure Reducing Valve

GD-7B

* Simple design mechanism
* A dual-valve format minimizes the effects of inlet pressure fluctuations.
* Suitable for lubricating oil, and heavy fuel oil.
Image:GD-7B

Feature Piston type / Cast iron / Flanged
Type Direct-acting type
Specifications Application Cold and hot water , Oil , Other non-dangerous fluids
Inlet pressure 0.1 - 1.0MPa
Reduced pressure 0.05 - 0.7MPa(*1)
Connection JIS 10K FF flanged
Reduced pressure 85% or less of the inlet pressure(gauge pressure)
Min. differential pressure 0.05MPa
Max. pressure reduction ratio(*2) 20:1
Max. temperature 80 degree(C)
Material Body Cast iron
Valve NBR
Valve seat Bronze
Piston Bronze
Remarks
*1 Reduced pressure
1) 20A-50A
(A): 0.05-0.25 MPa
(B): 0.25-0.45 MPa
(C): 0.45-0.7 MPa
2) 65A-150A
(A): 0.05-0.2 MPa
(B): 0.2-0.5 MPa
(C): 0.5-0.7 MPa
*2 Max. pressure reduction ratio
3/4\\\"-2\\\" --- 20:1
2 1/2\\\"-6\\\" --- 15:1

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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 4
40A(1 1/2) 180 545 23 5
50A(2) 180 565 26 8
65A(2 1/2) 215 680 41 12
80A(3) 260 705 51 16
100A(4) 300 755 66 20
125A(5) 360 815 90 25
150A(6) 382 885 129 30


Dimensional drawing
Dimensional drawing:GD-7B

Data Downloading
Drawing (503 KB)
CAD external view (334 KB)

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