H.P.Valves
 
PRESSURE REDUCING VALVE
 
MATERIALS OF CONSRUCTION
S.NO DESCRIPTION QTY MATERIAL
1 BODY 1 ASTM A 216 Gr. WCB
2 SEATING - 13% Cr. S.S. FACING
3 MAIN VALVE DISC 1 S.S AISI 304
4 MAIN VALVE SPRING 1 SPRING STEEL (C.S)
5 BUSH 1 S.S AISI 304
6 BOTTOM FLANGE GASKET 1 COMPRESSED ASBESTOS FIBER
7 BOTTOM FLANGE 1 CARBON STEEL
8 BOTTOM FLANGE STUD & NUT AS REQD. CARBON STEEL
9 PISTON 1 S.S AISI 304
10 PISTON RING 2 CAST IRON
11 PISTON CYLINDER 1 S.S AISI 420/AISI 304
12 CENTRE PLATE 1 CARBON STEEL
13 BODY STUD & NUT AS REQD. CARBON STEEL
14 CENTER PLATE 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 PILOT VALVE SEAT 1 S.S AISI 410/304
20 SPRING BUTTON 1 CARBON STEEL
21 PLUG 2 CARBON STEEL
22 PILOT VALVE BODY STUD & NUT 4 CARBON STEEL
23 PILOT VALVE BODY 1 CARBON STEEL
24 DIAPHRAM GASKET 2 COMPRESSED ASBESTOS FIBER
25 DIAPHRAM 1 PHOSPHOR BRONZE
26 HOUSING STUD & NUT 4 CARBON STEEL
27 ADJUSTING SPRING HOUSING 1 ASTM A 216 Gr. WC/C.S.
28 ADJUSTING SPRING 1 SPRING STEEL (C.S.)
29 SPRING BUTTON 1 CARBON STEEL
30 LOCK NUT 1 CARBON STEEL
31 ADJUSTING BOLT 1 CARBON STEEL

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
11/2"/40 210 38 140 17.5 82.5 4 18 104.7 340
2"/50 265 51 165 19 102 4 18 127 360
21/2"/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 22.2 160.3 480
DESIGN FEATURES
MAXIMUM INLET PRESSURE-250 psigˇ
MAXIMUM OUTLET PRESURE-200 psigˇ
MINIMUM OUTLET PRESSURE- 5 psig
MAXIMUM WORKING TEMPERATURE-450°C

HYD.Test Pressure
Body: 77.4 kg/cm Seat: 51 kg/cm
VALVE
size in mm
12
20
25
40
50
80
100
CV standard
2.5
6
10
20
35
75
105
SPECIAL
1
3
5
10
15
35
50
   

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