forged steel gate valve -ag捕鱼王app官网

ruitong forged gate valves are available in flanged end, welded end, screw end gate valves. for gate valves which sizes are 2"(dn50) and smaller, forged steel valves are introduced. compared with castings, forged valve bodies offer the advantages of more uniform structure, greater density, higher strength integrity, enhanced dimensional characteristics and closer dimensional tolerances. the design of forged steel gate valves are also various: full port, conventional port / reduced port; bolt bonnet, welded bonnet and pressure seal bonnet; socket weld (sw), threaded, butt welded (bw) and flanged end. special designs include bellows seal gate valve, cryogenic gate valve to -196c, extended body gate valve, per customers' requirements.

ruitong forged gate valves are available in flanged end, welded end, screw end gate valves. bonnet and body connected by options of bolted bonnet, welded bonnet & pressure seal bonnet.

standards:
•design standard: api 602 / asme b16.34 / bs5352
•testing standard: api 598
•face to face according to asme b16.10
•connection standards:
npt according to ansi / asme b1.20.1
sw according to ansi / asme b16.11
flange according to ansi / asme b16.5
butt-welded according to ansi / ansi b16.5
•marking mss sp25
pressure class: from class150 to class4500
size from 1/2" to 3"
main materials: a105; lf2; f5; f11; f22; 304l; 316l; f347; f321; f51; monel; 20 alloy, etc.
features:
•outside screw and yoke (os&y)
•self aligning two piece packing gland
•spiral-wounded gasket
•integral backseat
•integral body flanges