H3-SV-19-D flender australia Helical gearbox H3

Flender/Flender Gear Units/Helical gearbox H3

ch size of studs & / bolts with nuts and jackscrews sha ll be supplied in separate containers marked with size and material specifications. 'CRYO' shall be marked additionally in case 'CRYO' is specified in the requisition. 1.0 All items shall be inspected and approved (stagewise) by ME CON inspector or any other agency authorized by MECON. 1.0 The heat treatment for stud olts & nuts shall be as per co de unless mentioned otherwise. 1.0 All austenitic stainless steel bolts, nuts, screws shall be supplied in solution annealed condition unless specified otherwise in the material specification. 1.0 Any additional requirements specified in the requisition sh all be fully complied with. 1 of 1 STANDARD TECHNICAL SPECIFICATION MECON LIMITED REGD. OFF: RANCHI 8 OIL & GAS SBU, DELHI DOCUMENT NO. Page 4 of 4 TITLE MEC//0/2/1 REVISION : 0 GASKETS, BOLTS & NUTS EDITION : 1 1.0 Stud bolts, nuts & jackscrews shall be impact tested wherev er specified in the material specification and also where the material specification is indi cated as "CRYO". For" .. nuts and bolts minimum impact energy absorption shall be 2 Joules nd test temperature shall be -1C unless mentioned otherwise. For other materials impact energy and test shall be as per respective code. 1 6 . 0 / 7 / 2 1% Hardness tested as per supplementary requirement S3 of ASTM 1. 1.0 When specified as galvanized, the studs, / bolts and nuts shall be 'hot dip zinc coated' in accordance with requirements of 'class ' of 'ASTM 1'. As an alternative, electro-galvanizing as per IS 1, 'Serv ice Grade Number 2' is also ac ceptable. 1.0 All Stud Bolts of Bolt diameter size 1" and above shall be provided with three nuts irrespective of whatever has been specified elsewhere in the MR. 3 of 1 1 of 1 SPECIFICATION FOR PIPING FABRICATION AND ERECTION SPECIFICATION NO.: MEC//0/2/0 (OIL & GAS SBU) MECON LIMITED DELHI 1 0 Rev. : 0 Edition : 1 1 of 1