1. Product Summary

ParameterSpecification
ProductBronze Parallel Slide Blow Off Valve (Flanged)
Design standardPer datasheet
MaterialBronze
ServiceSteam, Water
Max working temperature225°C

2. Design 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

3. Hydrostatic Test Pressures

TestPressure
Shell35.15 kg/cm²g (500 psig)
Seat

4. Bill of Materials

P.No.PartMaterialSpec.Qty.
1BonnetBronzeIBR 282 (a) (iv) Gr. B1
2RackBronzeIBR 282 (a) (iv) Gr. B1
3Studs Alloy Steel ASTM A193 Gr. B7 As Reqd.1
4Nuts H.T Steel ASTM A194 Gr. 2H As Reqd.1
5BodyBronzeIBR 282 (a) (iv) Gr. B1
6Gasket Steam Joining Sheet IS 2712 Gr. W/3 11
7Body Seat RingStainless SteelASTM A 276 Type 4101
8Male DiscStainless SteelASTM A 276 Type 4101
9Female DiscStainless SteelASTM A 276 Type 4101
10SpringStainless SteelIS 4454 Part 4 Gr. 21
11PinionStainless SteelASTM A 276 Type 4101
12Nuts H.T. Steel ASTM A194 Gr. 2H As Reqd.1
13Studs Alloy Steel ASTM A193 Gr. B7 As Reqd.1
14GlandBronzeIBR 282 (a) (iv) Gr. B1
15Gland PackingPTFE / graphite rings
16Stuffing BoxBronzeIBR 282 (a) (iv) Gr. B1
17Gasket Steam Joining Sheet IS 2712 Gr. W/3 11
18Nuts H.T. Steel ASTM A194 Gr. 2H As Reqd.1
19Studs Alloy Steel ASTM A193 Gr. B7 As Reqd.1

5. Sizes / Dimensions

Size (Inches) Size (mm) A ±1.5 B ~
125169138
11/432178157
11/240190204
250206206

6. Enquiries

Email: info@supremevalves.in · Tel: +91 97732 78770