YOSHITAKE,耀希达凯,GP-2000,GP-1000,日立阀门

  YOSHITAKE,耀希达凯,GP-2000,GP-1000,日立阀门  

 

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Pressure Reducing Valve(Drain Separator/Check Valve/Water hammer arrestor)
GD-4
* High accuracy
* Stable low pressure control
Image: GD-4

Feature Low pressure control / Cast iron / Flanged
Type Direct-acting type
Specifications Application Air , Non-dangerous fluids
Inlet pressure Max. 300kPa
Reduced pressure 2 - 200kPa(*1)
Connection JIS 10K FF
Adjustable reduced pressure 70% or less of the inlet pressure(gauge pressure)
Min. differential pressure 0.003MPa(*2)
Max. pressure reduction ratio(*3) 7:1
Max. temperature 80 degree(C)
Material Body Cast iron
Main valve NBR (20A~50A) , Stainless steel (65A~150A)
Main valve seat Stainless steel
Diaphragm NBR

Remarks
*1 Contact us pressure range for each valve.
*2 Min. differential pressure
Diaphragm
256mmDia.:3kPa
340mmDia.:2kPa
400mmDia.:1kPa
*3 Max. pressure reduction ratio
3/4"-2" --- 7:1
2 1/2"-6" --- 10:1

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Size L(mm) H(mm) Weight(kg) Cv value
20A 170 560 27 2
25A 170 560 28 3
32A 180 580 28 4
40A 180 580 29 5
50A 180 590 31 8
65A 215 695 39 21
80A 260 715 48 27
100A 300 785 64 42
125A 360 840 88 72
150A 382 895 123 94

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Dimensional drawing
Dimensional drawing:GD-4

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