H4-DV11-B strength class Tolerance of the fixing holes i Helical speed reducers H4

Flender/Flender Gear Units/Helical speed reducers H4

inches. Marking shall be done by die - stamping on the bonnet or on the housing. However, for buried valves , the marking shall be done on the above ground portion of the stem housing only. 8.4 Valve ends shall be suitably protected to avoid any damage during transit. All threaded and machined surfaces subject to corrosion shall be well protected by coat of grease or other suitable material. All valves shall be provided with suitable protectors, for flange faces, securely attached to the valves. Bevel ends shall be protected with metallic or high impact plastic bevel protectors. 8.5 All sealant lines and other cavities of the valve shall be filled with sealant before shipment. 9 of 1 STANDARD TECHNICAL SPECIFICATION MECON LIMITED REGD. OFF: RANC HI 8 OIL & GAS SBU, DELHI DOCUMENT NO. Page 1 of2 TITLE BALL VALVE MEC/TS/0/2/0 REVISION : 1 EDITION : 1 8.6 Packaging an shipping instructions shall be as per API 6D. 8.7 On packages, following shall be marked legibly with suitable marking ink : ) Order Number ) Manufacturers Name ) Valve Size and Rating ) Tag Number ) Serial Number 9.0 SPARES & ACCESSORIES 9.1 Manufacturer shall furn ish list of recommended spares and accessories for valves required during start -up and commissioning and supply of such spares shall be included in the price quoted by Manufacturer. 9.2 Manufacturer shall furnish list of recommended spares and accessories re quired for two years of nor mal operation and maintenance of valves and price for such spares shall be quoted separately. 9.3 Manufacturer shall quote for spares & accessories as per Material Requisition. 1.0 DOCUMENTATION 1.1 At the time of bidding, Man ufacturer shall submit the following documents : ) General arrangement /assembly drawings showing all features and relative positions and sizes of vents, drains, gear operator / actuator, painting, coating and other external parts tog ether with overall dimensions as well as weights of valve & actuator. ) Sectional drawing showing