we are offering pneumatic control valves. specification : port size : 1″ bsp npt body & sleeve : ss astm a351 grade cf8 cf8m end connection : screwed flange(f to f distance 180.5 mm) max. working pressure : 0 bar to 16 bar pnem. pressure : 3.5 to 7 bar. shaft : ss-304 ss-316 seat : teflon optional viton epdm silicon. seal & o ring : viton, epdm, nbr. orifice : 23.00 mm.. fluid temp : -10 °c to 180 °c ambient temp:: -10 °c to 60 °c media : air, water, steam, gas, oil, fuel, liquid, vacuum actuator type actuator cover : ss-304 actuator flange : alluminium die cast (hard anodised) actuator working pressure : 3.5 to 7 bar life : more than one million cycle