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Gauge Valve
Gauge Screwed Bonnet Needle Valve (Model GSNV 2) With Bleed Plug Straight & Angle Pattern)
Tubefit part no. H W H1 L Size CV ORIFICE
GSNV-6K-S6-8NMX8NF 77(3.03") 32"(1.26") 84(3.31") 90(3.54") 1/2"(Mxf) 0.45 4.7(0.18")
GSNV-6K-S6-8NMX8NM 77(3.03") 32"(1.26") 84(3.31") 90(3.54") 1/2"(MxM) 0.45 4.7(0.18")
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 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.
Lubrication :
Molybdenum disulphide (mo s2)
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