supply of pneumatic actuator operated knife gate valves--- 1 300 nb knife gate valve model – wafer, cast body, unidirectional,.end style – lugged/wafer/flanged style with metric threaded holes in chest area and through holes in lugs.drilling – suitable to mount between ansi 150 lb flanges.body – cast iron (is 210 gr. fg 260); gate – astm a 240 type 304-nitriding to approx. 600-1250 hv1 surface hardness; packing material – ptfe impregnated syntax fiber; body leakage – zero leakage; seat leakage – max. allowable leakage of 2.25 lpm when tested with water at 40 psi applied in the normal flow direction; piston rod – asm a276 type 304;gland – astm a536 gr. 65-45-12; side plate – carbon steel; bolts and nuts – carbon steel; gasket – caf; deflection cone – cast ni-hard (approx. sec. as per is 4771 type 2, 450-600 bhn hardness); actuator – double acting pneumatic metal cylinder actuator suitable for max 7 bar pressure & 80 deg. c. model: ccmc8 2 150 nb knife gate valve model – wafer, cast body, unidirectional,.end style – lugged/wafer/flanged style with metric threaded holes in chest area and through holes in lugs.drilling – suitable to mount between ansi 150 lb flanges.body – cast iron (is 210 gr. fg 260); gate – astm a 240 type 304-nitriding to approx. 600-1250 hv1 surface hardness; packing material – ptfe impregnated syntax fiber; body leakage – zero leakage; seat leakage – max. allowable leakage of 2.25 lpm when tested with water at 40 psi applied in the normal flow direction; piston rod – asm a276 type 304;gland – astm a536 gr. 65-45-12; side plate – carbon steel; bolts and nuts – carbon steel; gasket – caf; deflection cone – cast ni-hard (approx. sec. as per is 4771 type 2, 450-600 bhn hardness); actuator – double acting pneumatic metal cylinder actuator suitable for max 7 bar pressure & 80 deg. c. model: ccmc8 3 300 nbknife gate valve model – wafer, mid flange two piece split cast body, bidirectional,.end style – lugged/wafer/flanged style with metric threaded holes in chest area and through holes in lugs.drilling – suitable to mount between ansi 150 lb flanges.body – cast iron (is 210 gr. fg 260)gate – astm a 240 type 304-nitriding to approx. 600-1250 hv1 surface hardness; packing material – ptfe impregnated syntax fiber; body leakage – zero leakageseat leakage – max. allowable leakage of 2.25 lpm when tested with water at 40 psi applied in the normal flow direction; piston rod – asm a276 type 304; gland – astm a536 gr. 65-45-12; side plate – carbon steelbolts and nuts – carbon steel; gasket – cafdeflection cone – cast ni-hard (approx. sec. as per is 4771 type 2, 450-600 bhn hardness)actuator –double acting pneumatic metal cylinder actuator suitable for max 7 bar pressure & 80 deg. c. model: ccmc8. 4 200 nbknife gate valve model – wafer, mid flange two piece split cast body, bidirectional,.end style – lugged/wafer/flanged style with metric threaded holes in chest area and through holes in lugs.drilling – suitable to mount between ansi 150 lb flanges.body – cast iron (is 210 gr. fg 260)gate – astm a 240 type 304-nitriding to approx. 600-1250 hv1 surface hardness; packing material – ptfe impregnated syntax fiber; body leakage – zero leakageseat leakage – max. allowable leakage of 2.25 lpm when tested with water at 40 psi applied in the normal flow direction; piston rod – asm a276 type 304; gland – astm a536 gr. 65-45-12; side plate – carbon steelbolts and nuts – carbon steel; gasket – cafdeflection cone – cast ni-hard (approx. sec. as per is 4771 type 2, 450-600 bhn hardness)actuator –double acting pneumatic metal cylinder actuator suitable for max 7 bar pressure & 80 deg. c. model: ccmc8.