Pressure Reducing Valve GD-29S-NE | Yoshitake Inc.

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Pressure Reducing Valve

Inlet pressure 2.0 MPa , Wetted parts SCS , Chlorine resistant
*Maximum Inlet pressure 2.0MPa, applicable to high pressure equipment of high-rise building, factory, plant.
*Wetted parts are made of corrosion-resistant material (diaphragm/O ring is made of chlorinated EPDM), has excellent resistance to chlorine of tap water.
*Can be installed in any piping direction, such as horizontal or vertical.
*Closed construction could keep no external leakage even if diaphragm damaged.
*Water supply law standards conformity product(E-606).

Feature Inlet pressure 2.0 MPa / Wetted parts SCS / Chlorine resistant
Type Direct-acting type
Specifications Application Cold and hot water
Inlet pressure 2.0MPa
Reduced pressure 0.2 - 0.7MPa(*1)
Connection JIS 20KRF
Min. differential pressure 0.05MPa
Max. pressure reduction ratio 7:1
Max. temperature 90 degree(C)
Material Body SCS
Valve FKM
Valve Seat SCS
Diaphragm Chlorine resistant EPDM
(*1)Reduced pressure range
Pressure gauge connection diameter is Rc1/4.
20A-50A have built-in strainer(40mesh).
Max.pressure reduction ratio depends on the set pressure.

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Size L(mm) H(mm) Weight(kg) Cv value
20A(3/4) 164 170 4.4 2.3
25A(1) 164 170 5.4 3.5
32A(1 1/4) 204 224 8.7 6
40A(1 1/2) 204 224 9.0 7
50A(2) 225 239.5 11.8 11
65A(2 1/2) 225 329 21 21
80A(3) 237 345 25.5 26
100A(4) 290 412 40.5 38

[About flow rate]

Selection data: Rated Flow  Flow diagram 

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Dimensional drawing
Dimensional drawing:GD-29S-NE

Data Downloading
Drawing of 20A-50A (594 KB)
Drawing of 65A-100A (352 KB)
CAD drawing (175 KB)

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