Control Valves

Control valves
pneumatic actuated globe type control valves
actators direct acting(air to open, fail to close) reverse acting(air to close, fail to open), spring return diaphragm, spring return piston
types two-way three-way mixing or diverting
size 15 mm to 150 mm
air pressure 25 to 60 psig
duty on-off, regulating
features:-
size 15 mm to 150 mm
end connection ansi b 15.5 din 2501 bs 10
body bonnet astm a gr 216 a 352 lcb a 217 wc6 a 351 cf8 a351 cf8m a 351 cf3 a 351 cf3m is 210 gr. 220
trims aisi- 410304 316
gasket spiral wound ss304 filled graphite, caf 59
gland grafoil ptfe rope braided asbestos
valve plug characteristics
to meet various flow control characteristics, following types of plug designs are available:-
quick open plug, skirt guided for quick opening & closing valve.
v port hollow skirt plug, skirt guided. This type of plug is having linear characteristics and is recommended for modulating type of controls.
quick opening plug, top & bottom guided.
v port hollow skirt plug, top & bottom guided.
counter plug, top & bottom guided having linear or equal percentage characteristics.