Pressure Reducing Valve GD-4B | Yoshitake Inc.

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Pressure Reducing Valve

GD-4B

* High accuracy
* Stable low pressure control
* Balance type leads to high reduction ratio
Image:GD-4B

Feature Low pressure control / balance type / Flanged
Type Direct-acting type
Specifications Application Air , Non-dangerous fluids
Inlet pressure Max. 800kPa
Reduced pressure 2 - 200kPa
Connection JIS 10K FF flanged
Adjustable reduced pressure 85% or less of the inlet pressure(gauge pressure)
Min. differential pressure 0.003MPa(*1)
Max. pressure reduction ratio(*2) 20:1
Max. temperature 80 degree(C)
Material Body Cast iron
Main valve NBR
Main valve seat Stainless steel
Diaphragm NBR
Remarks
* Contact us pressure range for each valve.
*1 Min. differential pressure
Diaphragm
256 mmDia.: 3 kPa
340 mmDia.: 2 kPa
400 mmDia.: 1 kPa
*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) 170 570 27 2
25A(1) 170 570 28 3
32A(1 1/4) 180 580 28 4
40A(1 1/2) 180 580 29 5
50A(2) 180 600 31 8
65A(2 1/2) 215 695 39 12
80A(3) 260 715 48 16
100A(4) 300 785 64 24
125A(5) 360 840 88 36
150A(6) 382 895 123 48


Dimensional drawing
Dimensional drawing:GD-4B

Data Downloading
Drawing (592 KB)
CAD external view (360 KB)

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