PARALLEL SLIDE BLOW OFF VALVE(Flanged)

SAILENT 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.
  • High 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.

MATERIALS:

Name of Part Material Specification
Body & Bonnet Cast Steel IBR 73-80 Gr.B
Pinion Stainless Steel AISI 410
Stuffing Box, Gland & Rack Bronze IBR 282 (a) (iv) Gr.B
Discs & Body Seat Ring Monel / S.S ASTM B164 / AISI 410
Stud & Nut Carbon Steel IS 1367
Gasket Steam Jointing Sheet IS 2712 Gr. W/3
Spring Stainless Steel AISI 304
Packing Braided Graphite IS 4687
Box Key Carbon Steel IS 1871

Size Range From: 1 1/2" (40mm) to 24" (600mm)

SUITABLE FOR

Steam Water Oil Air Gases

Test Pressure (Hydraulic):

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