PN Bar MPa Lb Grade K 20 2 150 10 50 5 300 20 63 6.3 400 30 100 10 600 45 150 15 900 65 250 25 1500 110 337 33.7 2000 140 420 42 2500 180 1 pound per square inch (psi) = 0.006895 megapascals (MPa) ...
Nominal diameter Size inches 1/8” 1/4” 3/8” 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” 2-1/2” Thread size 1cm 2cm 3cm 4cm 6cm 1 inch 1 1/2 inches 1 inches 2 inch 2 inches DN DN4 DN6 DN10 DN15 DN20 DN25 DN32 DN40 DN50 DN65...
In China, the designation of sealing face materials in JB/T 308 is as follows: Seat sealing surface or lining materials Code name Seat sealing surface or lining materials Code name Copper alloys T Nitrided steel D ...
I. Main Applications and Scope of Use1. ApplicationSoft-seated ball valves are designed for on/off applications and are not suitable for regulating purposes (partially open or closed positions can cause the seat seal to ...
Nominal diameter A Series American Standard GB Series 15 21.3 18 20 26.9 25 25 33.7 32 32 42.4 38 40 48.3 45 50 60.3 57 65 73 76 80 88.9 89 100 114.3 108 125 141.3 133 150 168.3 159 200 219.1 2...
Valves are devices used in fluid systems to control the direction, pressure and flow rate of fluids; they enable the flow or stoppage of media (liquids, gases or powders) within piping and equipment, whilst also regulati...
1. Information obtained from the customerUnderstand the valve’s installation location and intended use:Determine the valve’s criticality within the pressure pipeline system; generally, high-grade pressure pipelines have ...