Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings
Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings
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Features
Pilot Operated Outlet Pressure Range Available 5/45, 40/125 Psi g (Steam), Renewable Seat, SS Trim
Flanges as per BS-10 Table ‘F’ FF (Undrilled)Test Pressure
Body : 300 (Hyd.)
Working Pressure : 150 Psi g (Steam)
Suitability
Water
Steam
Gas
Oil
Air
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Material Combination
P.No. Name of Part Material Specification Nos. 1 Adjusting Screw Carbon Steel – 1 2 Locking Nut Carbon Steel – 1 3 Spring Housing S.G.I. EN 1563 Gr. GJS – 400 – 15 1 4 Spring Top Disc Stainless Steel AISI 410 1 5 Pressure Adjusting Spring Spring Steel IBR 307 TO 314 1 6 Spring Bottom Disc Stainless Steel AISI 410 1 7 Gasket C.A.F. – 1 8 Side Plug Carbon Steel – 1 9 Pilot Valve Body Stainless Steel AISI 304 1 10 Main Valve Retuen Spring Carbon Steel IBR 307 TO 314 1 11 Pilot Valve Spring Retaining Check Nut Stainless Steel AISI 304 1 12 Strainer Screen Stainless Steel AISI 304 1 13 Main Valve Body Seat Ring Stainless Steel AISI 410 + STELLITE 1 14 Gasket C.A.F. – 1 15 Main Diaphragm Chamber Top Half C.S. IBR 73 TO 80 Gr. A 1 16 Gasket C.A.F. – 1 17 Pilot Valve Plunger Stainless Steel AISI 304 1 18 Ball Stainless Steel AISI 304 1 19 Main Valve Disc Stainless Steel AISI 410 + STELLITE 1 20 Pilot Valve Spring Stainless Steel AISI 304 1 21 Main Valve Body C.S. IBR 73 TO 80 Gr. A 1 22 Main Valve Push Rod Stainless Steel AISI 410 1 23 Push Rod Guide Sleeve Stainless Steel AISI 410 1 24 Push Rod Lock Nut Stainless Steel AISI 410 1 25 Main Diaphragm Disc Stainless Steel AISI 410 1 26 Main Diaphragm Chamber Lower Half C.S. IBR 73 TO 80 Gr. A 1 27 Studs and Nuts Carbon Steel – 4 Each 28 Pipe Assembly – – 29 Studs and Nuts Carbon Steel – 4 Each 30 Bolts and Nuts Carbon Steel – To Suit 31 Pilot Diaphragm Stainless Steel AISI 304 1 32 Main Diaphragm Stainless Steel AISI 304 1 -
Dimensional Data
Nominal Size (mm) FF ±1.5 ØFD FT H 25 165 120.7 9.5 215 40 203 139.7 12.7 240 50 248 165.1 15.9 260
Features
Pilot Operated Outlet Pressure Range Available 5/45, 40/125 Psi g (Steam), Renewable Seat, SS Trim
Flanges as per BS-10 Table ‘F’ FF (Undrilled)
Test Pressure
Body : 300 (Hyd.)
Working Pressure : 150 Psi g (Steam)
Suitability
Water
Steam
Gas
Oil
Air
Material Combination
P.No.
Name of Part
Material
Specification
Nos.
1
Adjusting Screw
Carbon Steel
–
1
2
Locking Nut
Carbon Steel
–
1
3
Spring Housing
S.G.I.
EN 1563 Gr. GJS – 400 – 15
1
4
Spring Top Disc
Stainless Steel
AISI 410
1
5
Pressure Adjusting Spring
Spring Steel
IBR 307 TO 314
1
6
Spring Bottom Disc
Stainless Steel
AISI 410
1
7
Gasket
C.A.F.
–
1
8
Side Plug
Carbon Steel
–
1
9
Pilot Valve Body
Stainless Steel
AISI 304
1
10
Main Valve Retuen Spring
Carbon Steel
IBR 307 TO 314
1
11
Pilot Valve Spring Retaining Check Nut
Stainless Steel
AISI 304
1
12
Strainer Screen
Stainless Steel
AISI 304
1
13
Main Valve Body Seat Ring
Stainless Steel
AISI 410 + STELLITE
1
14
Gasket
C.A.F.
–
1
15
Main Diaphragm Chamber Top Half
C.S.
IBR 73 TO 80 Gr. A
1
16
Gasket
C.A.F.
–
1
17
Pilot Valve Plunger
Stainless Steel
AISI 304
1
18
Ball
Stainless Steel
AISI 304
1
19
Main Valve Disc
Stainless Steel
AISI 410 + STELLITE
1
20
Pilot Valve Spring
Stainless Steel
AISI 304
1
21
Main Valve Body
C.S.
IBR 73 TO 80 Gr. A
1
22
Main Valve Push Rod
Stainless Steel
AISI 410
1
23
Push Rod Guide Sleeve
Stainless Steel
AISI 410
1
24
Push Rod Lock Nut
Stainless Steel
AISI 410
1
25
Main Diaphragm Disc
Stainless Steel
AISI 410
1
26
Main Diaphragm Chamber Lower Half
C.S.
IBR 73 TO 80 Gr. A
1
27
Studs and Nuts
Carbon Steel
–
4 Each
28
Pipe Assembly
–
–
29
Studs and Nuts
Carbon Steel
–
4 Each
30
Bolts and Nuts
Carbon Steel
–
To Suit
31
Pilot Diaphragm
Stainless Steel
AISI 304
1
32
Main Diaphragm
Stainless Steel
AISI 304
1
| P.No. | Name of Part | Material | Specification | Nos. |
|---|---|---|---|---|
| 1 | Adjusting Screw | Carbon Steel | – | 1 |
| 2 | Locking Nut | Carbon Steel | – | 1 |
| 3 | Spring Housing | S.G.I. | EN 1563 Gr. GJS – 400 – 15 | 1 |
| 4 | Spring Top Disc | Stainless Steel | AISI 410 | 1 |
| 5 | Pressure Adjusting Spring | Spring Steel | IBR 307 TO 314 | 1 |
| 6 | Spring Bottom Disc | Stainless Steel | AISI 410 | 1 |
| 7 | Gasket | C.A.F. | – | 1 |
| 8 | Side Plug | Carbon Steel | – | 1 |
| 9 | Pilot Valve Body | Stainless Steel | AISI 304 | 1 |
| 10 | Main Valve Retuen Spring | Carbon Steel | IBR 307 TO 314 | 1 |
| 11 | Pilot Valve Spring Retaining Check Nut | Stainless Steel | AISI 304 | 1 |
| 12 | Strainer Screen | Stainless Steel | AISI 304 | 1 |
| 13 | Main Valve Body Seat Ring | Stainless Steel | AISI 410 + STELLITE | 1 |
| 14 | Gasket | C.A.F. | – | 1 |
| 15 | Main Diaphragm Chamber Top Half | C.S. | IBR 73 TO 80 Gr. A | 1 |
| 16 | Gasket | C.A.F. | – | 1 |
| 17 | Pilot Valve Plunger | Stainless Steel | AISI 304 | 1 |
| 18 | Ball | Stainless Steel | AISI 304 | 1 |
| 19 | Main Valve Disc | Stainless Steel | AISI 410 + STELLITE | 1 |
| 20 | Pilot Valve Spring | Stainless Steel | AISI 304 | 1 |
| 21 | Main Valve Body | C.S. | IBR 73 TO 80 Gr. A | 1 |
| 22 | Main Valve Push Rod | Stainless Steel | AISI 410 | 1 |
| 23 | Push Rod Guide Sleeve | Stainless Steel | AISI 410 | 1 |
| 24 | Push Rod Lock Nut | Stainless Steel | AISI 410 | 1 |
| 25 | Main Diaphragm Disc | Stainless Steel | AISI 410 | 1 |
| 26 | Main Diaphragm Chamber Lower Half | C.S. | IBR 73 TO 80 Gr. A | 1 |
| 27 | Studs and Nuts | Carbon Steel | – | 4 Each |
| 28 | Pipe Assembly | – | – | |
| 29 | Studs and Nuts | Carbon Steel | – | 4 Each |
| 30 | Bolts and Nuts | Carbon Steel | – | To Suit |
| 31 | Pilot Diaphragm | Stainless Steel | AISI 304 | 1 |
| 32 | Main Diaphragm | Stainless Steel | AISI 304 | 1 |
Dimensional Data
Nominal Size (mm)
FF ±1.5
ØFD
FT
H
25
165
120.7
9.5
215
40
203
139.7
12.7
240
50
248
165.1
15.9
260
| Nominal Size (mm) | FF ±1.5 | ØFD | FT | H |
|---|---|---|---|---|
| 25 | 165 | 120.7 | 9.5 | 215 |
| 40 | 203 | 139.7 | 12.7 | 240 |
| 50 | 248 | 165.1 | 15.9 | 260 |
Selected Product
AV-287 Cast Steel Pilot Operated Pressure Reducing Valve
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