supply of high pressure alloy steel gate globe valves 2 items as per the technical specification , gate valve size 4” ( 100mm ) , 1500 class, cas ( wc-9 ) , butt welded end, ho, brass wheel bush with bearing ( tag no: vdas-122 ) technical specification: 1 ) valve type : pressure seal bonnet with back seat arrangement, flexible wedge straight “t” pattern, top entry assembly.2 ) body / yoke: astm a 217 gr. wc9, 3 ) pressure seal bonnet : astm a182 gr, f22, 4 ) wedge : astm a 217 gr. wc-9+stellite gr 6 ( min 4mm ) , 5 ) seat / seat ring: : astm a 182 gr.f22 +stellite gr 6 ( min 4mm ) , 6 ) stem: 13% cr. ( ss410 ) , 7 ) gland packing : graphite 8 ) hydrostatic test: for seat 264 kg / cm2, shell: 396 kg / cm2 9 ) pressure seal ring :graphite ( 125-100-18 ) , 10 ) operation: manual, 11 ) face to face in mm :406 ( min ) , 12 ) working temperature:5500c , globe valve / 2” ( 50mm ) / 2500 class / fas / mo / sw without actuators. technical specification: 1 ) type-fixed back seat, integral bonnet and straight pattern, 2 ) body – astm a 182 grade f22, 3 ) bonnet – astm -a182 grade f22, 4 ) disc-ss 410 + stelliting gr.6 5 ) integral hard faced valve seat – stelliting gr 6. 6 ) stem- 16%cr.ss with nitrate coating, 7 ) asbestos / graphite gland packing ringsize- 55.5 x26.975x13.5 mm, 8 ) valve face to face- 216 mm , 9 ) end – socket weld, 10 ) pipe size-od 60.3mm, 11 ) purpose- stop valve, 12 ) hydro test for shell 660 bar, for seat – 483 bar. 13 ) operating temp- 5400c, 14 ) operation- electrical operation.