Bids are Invited For Supply of empty dissolved acetylene cylinder, type three piece welded, to IS 7312 as per following technical requirement (1) Water capacity: 41 ltrs ( +3% , - 0% ) ( 2) Hydrostatic stretch test pressure : 53 kgf / sq.cm (3) Pneumatic leakage test pressure : 40 kgf / sq.cm (4) Maximum working pressure at 15 Degree celcious - 16 kgf /sq. cm , (5) Gas capacity 07 kgs (6) Outer dia : 258 mm ,(7) Inner dia : 250 mm (8) Wall thickness (nominal : 04 mm (9) Length without valve 960 mm ( approx.) porous monolithic calcium silicate (11) Porosity 90 to 92 % (12) Crushing strength (min) : 22 kgf / sq.cm.( 13 ) Solvent : acetone CH3COCH3, (14) Empty weight : 55 kgs. (15) valve confirm to IS: 3224, (16) Fusible plug as specified under gas cylinder Rules 2004 & supported with manufacturers Test Certificate & certificate and approval from Chief Controller of explosives, Govt. of India. Supply of empty dissolved acetylene cylinder, type three piece welded, to IS 7312 as per following technical requirement (1) Water capacity: 41 ltrs ( +3% , - 0% ) ( 2) Hydrostatic stretch test pressure : 53 kgf / sq.cm (3) Pneumatic leakage test pressure : 40 kgf / sq.cm (4) Maximum working pressure at 15 Degree celcious - 16 kgf /sq. cm , (5) Gas capacity 07 kgs (6) Outer dia : 258 mm ,(7) Inner dia : 250 mm (8) Wall thickness (nominal : 04 mm (9) Length without valve 960 mm ( approx.) porous monolithic calcium silicate (11) Porosity 90 to 92 % (12) Crushing strength (min) : 22 kgf / sq.cm.( 13 ) Solvent : acetone CH3COCH3, (14) Empty weight : 55 kgs. (15) valve confirm to IS: 3224, (16) Fusible plug as specified under gas cylinder Rules 2004 & supported with manufacturers Test Certificate & certificate and approval from Chief Controller of explosives, Govt. of India. in Assam