Description
Feature:
- Face-to-face dimensions of the EN standard
- Superior durability
- Stable performance
- Valve leakage meets ANSI Class IV
- High reduction ratio (20:1)
Specifications
| Features |
For steam, EN Standard |
| Type |
Pilot operated piston type |
| Specification |
Product type |
Pilot-operated type |
| Nominal size |
15A (1/2") - 100A (4") |
| Application |
Steam |
| End connection |
EN PN16 flanged |
| Inlet pressure |
0.1 - 1 MPa |
| Reduced pressure |
0.05 - 0.9 MPa |
| Reduced pressure |
90% or less of the inlet pressure(gauge pressure) |
| Min. differential pressure |
0.05 MPa |
| Max. pressure reduction ratio |
20 : 1 |
| Working temperature |
Max. 220 degree(C) |
| Valve seat leakage |
0.01% or less of rated flow |
| Material |
Body |
Ductile cast iron |
| Valve and valve seat |
Stainless steel |
| Piston, cylinder |
Brass and Bronze |
| Diaphragm |
Stainless steel |
Dimensions (mm) and Weights (kg)
| Size |
L (mm) |
H (mm) |
Weight (kg) |
Cv value |
| 15A(1/2) |
150 |
291 |
8.0 |
1 |
| 20A(3/4) |
150 |
291 |
8.5 |
2.3 |
| 25A(1) |
160 |
300 |
10.0 |
4 |
| 32A(1-1/4) |
180 |
333 |
14.0 |
6.5 |
| 40A(1-1/2) |
200 |
333 |
15.5 |
9 |
| 50A(2) |
230 |
353 |
21.0 |
16 |
| 65A(2-1/2) |
290 |
357 |
30.0 |
25 |
| 80A(3) |
310 |
404 |
37.0 |
36 |
| 100A(4) |
350 |
450 |
57.0 |
64 |
About flow rate
Please refer to the nominal size selection chart when the inlet pressure is 0.6 MPa or more and the pressure reduction ratio exceeds 10:1.
Selection data：
Dimensional drawing
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