supply of check valve at rcf trombay unit , wafer type check valve for degasser < ( >&< ) > d m pump . a ) technical specifications: 1 ) size: 200mm 2 ) moc for body < ( >&< ) > disc stainless steel astm a 351 cf8 3 ) pr . rating: pn10 4 ) moc for seat < ( >&< ) > body o ring: epdm b ) standards: 1 ) design: api 594 2 ) pressure test: api 598 3 ) end connection: suitable to mount between flanges of asa 150 note: 1 ) party shall submit drawing of wafer type check valve , indicating all dimensions , moc , standards along with quotation . 2 ) party shall test check valves at their works before dispatch < ( >&< ) > submit documentary evidence of the same . 3 ) party shall submit mtc of parts of wafer type check valve along with supply . 4 ) party shall give guarantee towards workmanship , manufacturing defects < ( >&< ) > satisfactory performance for a period of 18 months from the date of dispatch < ( >&< ) > 12 months from date of commissioning . , wafer type check valve for raw water pump . a ) technical specifications: 1 ) size 200mm 2 ) moc for body < ( >&< ) > disc stainless steel astm a 216 wcb 3 ) pr . rating : pn10 4 ) moc for seat < ( >&< ) > body o ring: epdm b ) standards: 1 ) design: api 594 2 ) pressure test : api 598 3 ) end connection: suitable to mount between flanges of asa 150 note: 1 ) party shall submit drawing of wafer type check valve , indicating all dimensions , moc , standards along with quotation . 2 ) party shall test check valves at their works before dispatch < ( >&< ) > submit documentary evidence of the same . 3 ) party shall submit mtc of parts of wafer type check valve along with supply . 4 ) party shall give guarantee towards workmanship , manufacturing defects < ( >&< ) > satisfactory performance for a period of 18 months from the date of dispatch < ( >&< ) > 12 months from date of commissioning . , wafer type check valve . size ( nb ) : 150 , pr . rating : pn16 , moc for body & disc : astm a 351 grade c f8m moc for o ring : epdm , swing check valve , single plate wafer type size: 3 nb x 150 lbs technical specification: 1 . valve type : self acting non-return valve 2 . description : single plate wafer type swing check valve 3 . body type: short pattern wafer type 4 . disc type: with integral hinge pin . 5 . seat type : ptfe seat 6 . seat leakage : zero leak / tight shut-off 7 . application: 60% concentrated nitric acid material of construction: 1 . body: astm a 351 cf8 2 . disc: astm a 351 cf8 3 . spring: ss 304 4 . internals: ss 304 5 . ringchraube ( ring attached to outer body ) : ss 304 6 . clapper seal: ptfe 7 . body seal: ptfe applicable standards as follows: general design : api 6d face to face dimensions : asme b16 . 10 valve testing : api 598 note: mtc & hydrotest certificate shall be furnished along with supply . , swing check valve , single plate wafer type , size: 2 nb x 150 lbs technical specification: 1 . valve type : self acting non-return valve 2 . description : single plate wafer type swing check valve 3 . body type: short pattern wafer type 4 . disc type: with integral hinge pin . 5 . seat type : ptfe seat 6 . seat leakage : zero leak / tight shut-off 7 . application: 60% concentrated nitric acid material of construction: 1 . body: astm a 351 cf8 2 . disc: astm a 351 cf8 3 . spring: ss 304 4 . internals: ss 304 5 . ringchraube ( ring attached to outer body ) : ss 304 6 . clapper seal: ptfe 7 . body seal: ptfe applicable standards as follows: general design : api 6d face to face dimensions : asme b16 . 10 valve testing : api 598 note: mtc < ( >&< ) > hydrotest certificate shall be furnished along with supply .