Restoration of Valve operating system through replacement of valving arrangement at Nakashipara (Part-II) SWB project under Eastern Mechanical Sub-Division-III, PHEDte,Nadia

Amount

Dismantling and taken out of defunct 2 No. 400 mm dia. CIDF Electric Actuator operated Butterfly Valve from the existing delivery line after dismantling of valve chamber with the help of derrick and chain pulley arrangement and sufficient manual labourers.After dismantling, stacking the withdrawn valve at site store as per direction of EIC.(For Pump-2 & 3)

Supply, delivery at site and storage of 400 mm dia.Cone sphere design,double flanged gear operated Ductile Iron Butterfly valve generally confirming IS: 13095/EN:593 having body,disc and end cover in graded ductile iron to : IS 1865 Gr. 400/15 EPDM rubber face ring securede on disc by a SS AISI 304 retaing ring with stainless steel screws,rubber ring seating on a corresponding integral Monel 60/ SS AISI 304 seat in body,shaft SS 410. P.N Rating-1.0. Operated with existing electric actuator (Valve make: as per approved vendor list) ( For clear water pump-2 & 3)

Installation of 2 nos newly supplied Butterfly valve as above and connection with the existing electric actuator complete with supply of all necessary allied materials like gasket, nuts & bolts etc. with proper adjustment and connection testing commisioning of actuator up to satisfaction EIC.

Repairing the 1 (one) no 400 mm dia NRV after dismantaling the Valve disc and Shaft carrying to the workshop then metilizing the wear tear area of shaft and body by welding then grinding, machining,and smoothening complete set. Also fitting, fixing in the NVR and complete the job by supplying the necessary materials like gasket, nuts & bolts etc. with proper adjustment and testing commisioning as per EIC.,

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