gr 1 r buttvalve 21 22 for supply of butterfly safety valve , mechanical item , 65 nb carbon steel motorised / actuator / butterfly valve water type size 180 mm long body : astm a216 gr wcb disc: astm a 216 wcb shaft ss astm a-276, type 410 body seat ring: ss astm type 304 clamping ring: ms is2062, gr.e 250 a/wcb disc seal: epdm rubber, bearing bush internal fasteners: ss astm a 276, type 316 external fasteners: ss 316 hyd: test pressure: body 15 kgs/cm2, seat 10 kgcm2 end connections: wafer type ansi b 16:5 (150#) flow direction: bi - direction enclosure type: flame proof and weather proof gear box enclosure: carbon steel actuator: auma / rotork / simens actuator shall be provided with motor over - riding feature like hand wheel for emergency manual operation and a limit switch shall be provided [1.the body should be epdm rubber moulded cast carbon steel, epoxy disc, centric design can be acceptable. 2) gearbox should be whether proof.3) actuator should be flame proof.] butterfly valves make: saki, l&t, kirloskar, venus, flow chem aned advance valves , 100 nb carbon steel motorised / actuator / butterfly valve water type size 75 mm long body : astm a216 gr wcb disc: astm a 216 wcb shaft ss astm a-276, type 410 body seat ring: ss astm type 304 clamping ring: ms is2062, gr.e 250 a/wcb disc seal: epdm rubber, bearing bush internal fasteners: ss astm a 276, type 316 external fasteners: ss 316 hyd: test pressure: body 15 kgs/cm2, seat 10 kgcm2 end connections: wafer type ansi b 16:5 (150#) flow direction: bi - direction enclosure type: flame proof and weather proof gear box enclosure: carbon steel actuator: auma / rotork / simens actuator shall be provided with motor over - riding feature like hand wheel for emergency manual operation and a limit switch shall be provided [1.the body should be epdm rubber moulded cast carbon steel, epoxy disc, centric design can be acceptable. 2) gearbox should be whether proof.3) actuator should be flame proof.] butterfly valves make: saki, l&t, kirloskar, venus, flow chem aned advance valves , 200 nb carbon steel motorised / actuator / butterfly valve water type size 75 mm long body : astm a216 gr wcb disc: astm a 216 wcb shaft ss astm a-276, type 410 body seat ring: ss astm type 304 clamping ring: ms is2062, gr.e 250 a/wcb disc seal: epdm rubber, bearing bush internal fasteners: ss astm a 276, type 316 external fasteners: ss 316 hyd: test pressure: body 15 kgs/cm2, seat 10 kgcm2 end connections: wafer type ansi b 16:5 (150#) flow direction: bi - direction enclosure type: flame proof and weather proof gear box enclosure: carbon steel actuator: auma / rotork / simens actuator shall be provided with motor over - riding feature like hand wheel for emergency manual operation and a limit switch shall be provided [1.the body should be epdm rubber moulded cast carbon steel, epoxy disc, centric design can be acceptable. 2) gearbox should be whether proof.3) actuator should be flame proof.] butterfly valves make: saki, l&t, kirloskar, venus, flow chem aned advance valves , 100 nb carbon steel manual operated butterfly valve water type size 75 mm long body : astm a216 gr wcb disc: astm a 216 wcb shaft ss astm a-276, type 410 body seat ring: ss astm type 304 clamping ring: ms is2062, gr.e 250 a/wcb disc seal: epdm rubber, bearing bush internal fastenrs: ss astm a 276, type 316 external fasteners: ss 316 hyd. test pressure: body 15 kg / cm2, seat 10 kg cm2 end connections: wafer type ansi b 16.5 (150#) flow direction: bi - direction enclosure type: flame proof and weather proof [1.the body should be epdm rubber moulded cast carbon steel, epoxy disc, centric design can be acceptable. 2) gearbox should be whether proof.] butterfly valves make: saki, l&t, kirloskar, venus, flow chem aned advance valves