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Product Name

Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)

Article Code

1092

1092

Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)

Salient Features
  • Flanged Ends to BS 10 Table ‘J’.
  • Maintains fluid tightness and is easy in operation because of sliding action of discs.
  • Discs are kept in close contact with body rings by means of a spring when the valve is under pressure.
  • Premium Quality lubricated Gland Packing, Bolted Bonnet.
  • Valve is operated by means of Rack and Pinion arrangement, in such a manner that valve is opened fully with half turn of the box key.
  • Gland forms a locking guard which prevents removal of the key unless the valve is closed.

Test Pressure (Hydrostatic) :
Shell : 48 kg/cm²g (700 psig)
Test Pressure (Steam) :
Seat : 24.50 kg/cm²g (350 psig)
Maximum Working Temperature : 425°C

IBR
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1092 Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)
Suitable For

Steam

Water

Oil

Air

Gases

1092 Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)
Salient Features
  • Flanged Ends to BS 10 Table ‘J’.
  • Maintains fluid tightness and is easy in operation because of sliding action of discs.
  • Discs are kept in close contact with body rings by means of a spring when the valve is under pressure.
  • Premium Quality lubricated Gland Packing, Bolted Bonnet.
  • Valve is operated by means of Rack and Pinion arrangement, in such a manner that valve is opened fully with half turn of the box key.
  • Gland forms a locking guard which prevents removal of the key unless the valve is closed.

Test Pressure (Hydrostatic) :
Shell : 48 kg/cm²g (700 psig)
Test Pressure (Steam) :
Seat : 24.50 kg/cm²g (350 psig)
Maximum Working Temperature : 425°C

IBR
Suitable For
Steam Water Oil Air Gases
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Materials
P.No. Name of Part Material of Construction Specification Qty.
1 Bonnet Cast Steel IBR 73 – 80 Gr 1
2 Rack Bronze IBR 282 (a) (iv) Gr. B 1
3 Studs Alloy Steel ASTM A 193 Gr. B7 To Suit
4 Nuts H.T. Steel ASTM A 194 Gr. 2H To Suit
5 Body Cast Steel IBR 73 – 80 Gr 1
6 Gasket Steam Joining Sheet IS 2712 Gr. W/3 1
7 Body Seat Ring Stainless Steel ASTM A 276 Type 410 1
8 Male Disc Stainless Steel ASTM A 276 Type 410 1
9 Female Disc Stainless Steel ASTM A 276 Type 410 1
10 Spring Stainless Steel IS 4454 Part 4 Gr. 2 1
11 Pinion Stainless Steel ASTM A 276 Type 410 1
12 Nuts H.T. Steel ASTM A 194 Gr. 2H  To Suit
13 Studs Alloy Steel ASTM A 193 Gr. B7 To Suit
14 Gland Bronze IBR 282 (a) (iv) Gr. B 1
15 Gland Packing Braided Graphite IS 4687
16 Stuffing Box Bronze IBR 282 (a) (iv) Gr. B 1
17 Gasket Steam Joining Sheet IS 2712 Gr. W/3 1
18 Nuts Alloy Steel ASTM A 193 Gr. B7 To Suit
19 Studs H.T. Steel ASTM A 194 Gr. 2H To Suit
1092 Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)
1092 Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)
P.No. Name of Part Material of Construction Specification Qty.
1 Bonnet Cast Steel IBR 73 – 80 Gr 1
2 Rack Bronze IBR 282 (a) (iv) Gr. B 1
3 Studs Alloy Steel ASTM A 193 Gr. B7 To Suit
4 Nuts H.T. Steel ASTM A 194 Gr. 2H To Suit
5 Body Cast Steel IBR 73 – 80 Gr 1
6 Gasket Steam Joining Sheet IS 2712 Gr. W/3 1
7 Body Seat Ring Stainless Steel ASTM A 276 Type 410 1
8 Male Disc Stainless Steel ASTM A 276 Type 410 1
9 Female Disc Stainless Steel ASTM A 276 Type 410 1
10 Spring Stainless Steel IS 4454 Part 4 Gr. 2 1
11 Pinion Stainless Steel ASTM A 276 Type 410 1
12 Nuts H.T. Steel ASTM A 194 Gr. 2H  To Suit
13 Studs Alloy Steel ASTM A 193 Gr. B7 To Suit
14 Gland Bronze IBR 282 (a) (iv) Gr. B 1
15 Gland Packing Braided Graphite IS 4687
16 Stuffing Box Bronze IBR 282 (a) (iv) Gr. B 1
17 Gasket Steam Joining Sheet IS 2712 Gr. W/3 1
18 Nuts Alloy Steel ASTM A 193 Gr. B7 To Suit
19 Studs H.T. Steel ASTM A 194 Gr. 2H To Suit
Sizes / Dimensions
Size (Inches) Size (mm) A ±1.5 B ~
1 25 178 194
1 1/4 32 241 210
1 1/2 40 267 238
2 50 305 261
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1092
Cast Steel (A216 Gr. WCB) Parallel Slide Blow Off Valve (Flanged)

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