Control valvespneumatic 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 pistontypes two-way three-way mixing or divertingsize 15 mm to 150 mmair pressure 25 to 60 psigduty on-off, regulatingfeatures:- size 15 mm to 150 mmend connection ansi b 15.5 din 2501 bs 10body 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 316gasket spiral wound ss304 filled graphite, caf 59 gland grafoil ptfe rope braided asbestosvalve 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.