Pressure Reducing Valve/Drain Separator

GD-28S-NE

*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)





GD-28S-NE

Specifications

Features For water, stainless steel, Max. 2.0MPa, JWWA approved
Type Direct-acting type
Specifications Product type Direct-acting type
Nominal size 20A (3/4") - 50A (2")
Application Water
End connection JIS Rc screwed
Inlet pressure Max. 2 MPa
Reduced pressure 0.2 - 0.7 MPa (*)
Min. differential pressure 0.05 MPa
Max. pressure reduction ratio 7 : 1
Working temperature 5 - 90 degree(C)
Material Body Stainless steel
Valve FKM
Valve Seat Stainless steel
Diaphragm Chlorine resistant EPDM

Remarks

*Reduced pressure range
A:0.2-0.35MPa
B:0.3-0.7MPa
*Pressure gauge connection diameter is Rc1/4.
*Built-in strainer(40mesh)
*Max .pressure reduction ratio depends on the set pressure.

Dimensions and Weights
Size L(mm) H(mm) Weight(kg) Cv value
20A(3/4) 135 170 2.3 2.3
25A(1) 135 170 2.3 3.5
32A(1 1/4) 180 224 4.9 6
40A(1 1/2) 180 224 4.7 7
50A(2) 200 239.5 6.7 11

About flow rate

Dimensional drawing

Dimensional drawing