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Double Block & Bleed Valve
It is a combination of needle & manifold valves thus redusing the number of joints.
Spindle : ground and thread rolled.stem tip 17-4ph for long life.
Dust cap protects stem threads from external contamination leak tight seal with low operating torque heat code traceability ball hard chrome plated for smooth opertions.
Testing :
Hydrostatic shell test is performed at 1.5 times the working pressure.
Standard  Test :  each  valves  is  tested  with  nitrogen  at  1,000  psi   for seat  &  packing   leakage,  with  a  max.   Allowable    leak  rate  of  0 .1  std.  Cm3 / min.
Optional test are available upon request
Lubrication :
Molybdenum disulphide (mos2)
Technnical specifications :
Working Pressure : 6000 psi (410 bar)
Stem Packing : PTFE, Grafoil.
Panel mounting on request all valves are 100% factory tested prior to shipment
End Connection : bspp,jic,sae,npt,bspt
Material of Construction : SS 316, SS 304, C.S, F11, Hastelloy, Monel
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