1052 Bronze Parallel Slide Blow Off Valve (Flanged)

1052 Bronze Parallel Slide Blow Off Valve (Flanged)

Salient Features
  • Flanged Ends to BS 10 Table ‘H’.
  • Maintains fluid tightness and 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 : 35.15 kg/cm²g (500 psig)
  • Working Pressure (Steam) : 17.58 kg/cm²g (250 psig)
  • Maximum Working Temperature : 225°C

Materials

P.No. Name of Part Material of Construction Specification Quantity
1 Bonnet Bronze IBR 282 (a) (iv) Gr. B 1
2 Rack Bronze IBR 282 (a) (iv) Gr. B 1
3 Studs Alloy Steel ASTM A193 Gr. B7 As Reqd.
4 Nuts H.T Steel ASTM A194 Gr. 2H As Reqd.
5 Body Bronze IBR 282 (a) (iv) Gr. B 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 A194 Gr. 2H As Reqd.
13 Studs Alloy Steel ASTM A193 Gr. B7 As Reqd.
14 Gland Bronze IBR 282 (a) (iv) Gr. B 1
15 Gland Packing Graphited Asbestos 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 H.T. Steel ASTM A194 Gr. 2H As Reqd.
19 Studs Alloy Steel ASTM A193 Gr. B7 As Reqd.

Material Diagram

Sizes / Dimensions

Size (Inches) Size (mm) A ±1.5 B ~
1 25 169 138
1 1/4 32 178 157
1 1/2 40 190 204
2 50 206 206