Design description of Angle Valve:
bolted bonnet and welding bonnet;
welding seat;
integral seats;
handwheel operator;
available with gear operator;
flanged ends or butt-welding ends;
rising flange or ring type joint.
Working pressure and temperature
carbon steel: -29 c~425 c (6 f~822 f)
stainless steel: -40 c~550 c (15 f~1047 f)
general design specifications:
item : pn 16 pn 25 pn 40
manufacture: din 3356
face to face: din 3202 f32
end flange: din 2543 din 2544 din 2545
inspection and test: din 3230
test pressure to din 3230
item : pn 16 pn25 pn40
shell (water) : 24bars 37.5bars 60bars
seat (water) : 17.6bars 27.5bars 44bars
seat (air) : 6bars 6 bars 6bars
back seat(water) : 17.6bars 27.5bars 44bars
parts and material (din)
1 body ; gs-c25
4 disc nut: gs-c25
6 gasket : reinforced flat graphite, or ss spireal wound w/graphite or ptfe
7 bonnet bolt: a193b7
8 bonnet bolt nut: a1942h
9 bonnet: gs-c25
11 stem packing: braided grapite or dieformed graphite ring or ptfe
12 gland: a182f6
13 gland flange: gs-c25
14 eye bolt : a193b7
15 eye bolt nut: a1942h
16 stem nut: a439-d2 or a276-410
17 handwheel: ductile iron
18 h. w. Lock nut: steel
other materials are available upon request.