Bonnet Assembly : Screwed bonnet design. Bonnet - back seated blow out proof Spindle - ground and thread rolled. Spindle tip - non rotating tip shut off type - regulting....
Spindle tip - non rotating tip shut off type - regulting and soft seated. Packing below thread.
Bonnet pusher - silver plated for anti galling freezing for increased stem cycle life.
Dust cap protects stem threads from externals contamination leak tight seal with low operating torque.
Technical specifications :
End Connection : NPT, BSPT , Socket Weld.
Working Pressure : 6000 psi (431 bar)
Temperature Rating : ptfe 450° f (232 ° c ) grafoil 700 °f (371° c)
Material of Construction : SS 304 , Monel , C.S , SS 316
Stem Pcking : PTFE Grafoil
Orifice: ø4.7
All valves are 100% factory tested prior to shipment.
Optional sour gas service valves are available confirming to nace STD MR - 01 - 75
Application :
Pressure switches, gauges & differential pressure , pressure transmeters suitable for block & bleed assemblies to test pressure source required in sampling line or plug valve. Refineries, liquid petroleum gas processing plant petro- chemical plants systems difficult to shut of due to solid contents dust, rust, dirt etc
Testing :
Pneumatic seat test is performed at 1/4 of working pressure hydrostatic shell test is performed at 1.5 times the working pressure optional test are available upon request.
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Oshiwara, Mumbai, Maharashtra 
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