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DESIGN FEATURES |
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- MAXIMUM INLET PRESSURE – 250 psig.
- MAXIMUM OUTLET PRESSURE – 200 psig.
- MINIMUM OUTLET PRESSURE – 5 psig.
- MAXIMUM WORKING TEMPERATURE – 450oC
Salient Features
- Self-actuating, Pilot operated for enhanced accuracy,
- High Quality Stainless Steel Diaphragm
- Maintain Constant outlet pressure, Irrespective to changes in Inlet Pressure
- Suitable for medium & Low, Pressure of Steam, Gas, Air & Liquid.
- Adjustable spring in different range.
- Interchangeability of the pilot valve component parts simplifies maintenance
- Reduced pressure accuracy 1% from full flow to 10% of flow.
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| MATERIAL OF CONSTRUCTION |
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| Sr. No. |
PARTS |
QTY. |
MATERIAL |
| 1 |
BODY |
1 |
ASTM A 216 GR. WCB |
| 2 |
SEAT RING |
- |
13% Cr. SS. FACING (SS 304) |
| 3 |
MAIN VALVE DISC |
1 |
S.S. AISI 304 |
| 4 |
MAIN BALVE SPRING |
1 |
SPRING STEEL (C.S.0 |
| 5 |
BUSH |
1 |
S.S. AISI 304 |
| 6 |
BOTTEM FLANGE GASKET |
1 |
COMPRESSED ASBESTOS FIBER |
| 7 |
BOTTEM FLANGE |
1 |
CARBON STEEL |
| 8 |
BOTTOM FLANGE STUD & NUT |
4 |
CARBON STEEL |
| 9 |
PISTON |
1 |
S.S. AISI 304 |
| 10 |
PISTON RING |
2 |
CAST IRON |
| 11 |
PISTON CYLINDER |
1 |
S.S. AISI 410/ AISI 304 |
| 12 |
CENTER PLATE |
1 |
CARBON STEEL |
| 13 |
BODY STUD & NUT |
6 |
CARBON STEEL |
| 14 |
CENTER PLAGE GASKET |
1 |
COMPRESSED ASBESTOS FIBER |
| 15 |
PILOT VALVE GASKET |
1 |
COMPRESSED ASBESTOS FIBER |
| 16 |
PILOT VALVE SPRING |
1 |
SPRING STEEL (C.S.) |
| 17 |
PILOT VALVE GASKET |
1 |
COMPRESSED ASBESTOS FIBER |
| 18 |
PILOT VALVE |
1 |
S.S. AISI 410 / 304 |
| 19 |
PILOR VALVE SEAT |
1 |
S.S. AISI 410 / 304 |
| 20 |
SPRING BUTTON |
1 |
CARBON STEEL |
| 21 |
PLUG |
2 |
CARBON STEEL (1/4” B.S.P) |
| 22 |
PILOT VALVE BODY STUD & NUT |
4 |
CARBON STEEL |
| 23 |
PILOT VALVE BODY |
1 |
CARBON STEEL |
| 24 |
DIPHRAGM GASKET |
2 |
COMPRESSED ASBESTOS FIBER |
| 25 |
DIPHRAGM |
1 |
PHOSPHEROUS BRONZE / S.S. |
| 26 |
HOUSING STUD & NUT |
4 |
CARBON STEEL |
| 27 |
ADJUSTING SPRING HOUSING |
1 |
ASTM A 216 GR. WCB / C.S. |
| 28 |
ADJUSTING SPRING |
1 |
SPRING STEEL (C.S.) |
| 29 |
SPRING BUTTON LOCK NUT |
1 |
CARBON STEEL |
| 30 |
LOCK NUT |
1 |
CARBON STEEL |
| 31 |
ADJUSTING BOLT |
1 |
CARBON STEEL |
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| TECHNICAL PARAMETERS |
| SIZE |
‘A’ |
‘NB’ |
‘D’ |
‘T’ |
‘RF.D’ |
‘NO.OF.H’ |
‘H’ |
PCD |
‘L’ |
| 1”/25 |
200 |
25 |
121 |
14.3 |
63.5 |
4 |
18 |
87.3 |
300 |
| 1 ½”/40 |
210 |
38 |
140 |
17.5 |
82.5 |
4 |
18 |
104.7 |
340 |
| 2”/50 |
265 |
51 |
165 |
19 |
102 |
4 |
18 |
127 |
360 |
| 2 ½”/65 |
275 |
64 |
184 |
19 |
114.5 |
8 |
18 |
146 |
380 |
| 3”/80 |
320 |
76 |
203 |
22.2 |
127 |
8 |
18 |
165 |
400 |
| 4”/100 |
342 |
102 |
229 |
25.4 |
152.5 |
8 |
18 |
190.5 |
435 |
| 6”/150 |
470 |
152 |
305 |
28.6 |
210 |
12 |
22.2 |
260.3 |
480 |
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