- GD-20R discharge excess pressure and maintain a constant line pressure as a pump relief valve
- GD-20R Prevents falling water conditions in the open circuits of high-rise buildings
Japan, Yoshitake
YOSHITAKE GD-20R Primary Pressure Regulating Valve
Made in Japan
Manufacturer: Yoshitake
Model: GD-20R
Specifications
Features | Direct acting type, ductile cast iron | |
---|---|---|
Type | Primary pressure regulating valve | |
Specifications | Product type | Primary pressure regulating valve/ Pressure sustaining valve |
Nominal size | 15A (1/2″) – 150A (6″) | |
Application | Water, oil, air | |
End connection | JIS 10K FF flanged | |
Max. pressure | 0.7 MPa | |
Working pressure | 0.05 – 0.7 MPa (*) | |
Working temperature | 5 – 80 degree(C) | |
Material | Body | Ductile cast iron |
Valve | NBR | |
Valve seat | Stainless steel or Bronze | |
Diaphragm | NBR |
Remarks
* 15A-80A
A: 0.05-0.25 MPa
B: 0.26-0.7 MPa
100A-150A
A: 0.05-0.25 MPa
B: 0.26-0.5 MPa
Dimensions and Weights
Size | L (mm) | H (mm) | Weight (kg) | Cv value |
---|---|---|---|---|
15A(1/2) | 145 | 309 | 8.2 | 1.5 |
20A(3/4) | 150 | 309 | 8.2 | 2.7 |
25A(1) | 150 | 330 | 10 | 4 |
32A(1-1/4) | 195 | 395 | 17.3 | 8.5 |
40A(1-1/2) | 195 | 395 | 17.3 | 11 |
50A(2) | 195 | 409 | 19.2 | 14 |
65A(2-1/2) | 270 | 555 | 40 | 23 |
80A(3) | 270 | 582 | 43.7 | 32.5 |
100A(4) | 308 | 645 | 70 | 48 |
125A(5) | 380 | 849 | 145 | 75 |
150A(6) | 400 | 918 | 175 | 108 |
Dimensional drawing
Related Products
-
SAKUSAKU CNMG120408-UC Turning Insert (80° Rhombic Negative)
-
SAKUSAKU 4SS-15D 10.0S Carbide Square End Mill 4-Flute
-
Japan Clamp SFBL Hook For Iron Plate
-
Vessel No.EXH-200 Slim Long Bit Holder 200mm
-
Hammer Caster 935SEA Stainless Steel Caster
-
Watanabe TS2 [Sheathed Thermocouple] Screw Type with Terminal Box