Bevel-helical gear box B4 tact us for exact dimensions if applicable Max B4SH-27-C

Flender/Flender Gear Units/Bevel-helical gear box B4

ST GAS GRID PIPELINE PROJECT Doc. No. MEC/2UU/0/2//0/1, R0 MECON LIMITED 1.0 VALVES 1.1 Valve ends shall be as per piping material specifications (Appe ndices). 1.2 Flange dimensions and face finish of flanged end valves shall onfirm to clause 9.0 of this specification. 1.3 Butt welding ends of Butt Welded valves shall conform to ANSI 1.2. 1.4 Face to face and end to end dimensions shall conform to applica ble standards. 1.5 Buried valves on mainline shall be provided with stem extension , sealant, vent/drain & shall have butt welded ends. 1.6 Sectionalizing Valves (Block valves) installed on the main pipe line shall be Ball valves with butt welded ends and shall be full bore to all ow smooth passage of cleaning pigs as well as intelligent pigs. 1.7 Unless specified otherwise. Valves shall confirm to the followi ng standards: Screwed / Socket welded / Flang ed end valves (1 and below) Ball Valves - BS 5(latest) Plug Valves - BS 5(latest) Globe Valves - BS 5(latest) Gate Valves - API 6(latest) Flanged / Butt weld end Valves (2 and above) Ball Valves - API 6D Plug Valves - API 6D Check Valves - API 6D Globe Valves - BS 1 Gate Valves - API 6D 1.8 Manual Valve operators shall be as indicated below, unless spec ified otherwise in the &ID. 1 of 1 Page 8 of 9 PIPELINE LAYING AND TERMINAL WORKS FOR NORTH EAST GAS GRID PIPELINE PROJECT Doc. No. MEC/2UU/0/2//0/1, R0 MECON LIMITED ) Gate and Globe Valves ) For ANSI class 1 & 3 - Hand Wheel operated for size < 1NB. Gear operated for size > 1 NB. ii) For ANSI class 6 - Hand Wheel operated for size < 1NB. Gear operated for size > 1 NB. ) Ball and Plug Valves ) For ANSI class 1, 3, 6 Wrench operated for si ze <4NB. Gear operated for size > 6NB. ) Actuated Valves - Actuated valves shall be as per & ID. 1.0 QUICK OPENING END CLOSURE Quick opening end closure to be installed on scrapper traps sha ll be