Name of Work:Supply of GM Gate Valves, C.I. Sluice Valves and C.I. Check/NRV Valves as per BoQ
Sl. No.
Item Description
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Supply of material
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\"ISI/ heavy duty, Screwed in bonnet, inside screw non rising stem-Class-I as per IS:778-1984(Re.1990) with latestamendments of various sizes from 15mm to 100mm dia with minimum weight without hand wheel\"
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GM Gate valve 100 mm dia (ISI/Heavy Duty) (minimum weight without hand wheel 10500-10800 Gms)
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GM Gate valve 80 mm dia (ISI/Heavy Duty) (minimum weight without hand wheel 5600-5800 Gms)
5
GM Gate valve 65 mm dia (ISI/Heavy Duty) (minimum weight without hand wheel 3700-3900 Gms)
6
GM Gate valve 50 mm dia (ISI/Heavy Duty) (minimum weight without hand wheel 2170-2350 Gms)
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GM Gate valve 40 mm dia (ISI/Heavy Duty) (minimum weight without hand wheel 1600-1680 Gms)
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Reflux Valves: ISI Marked/ Heavy Duty Swing check type Reflux (Non Return) valves for water work purposes single door pattern conforming to IS:5312 (Part-I)- 1984 with upto date amendments Nominal pressure as mentioned of following sizes.
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80mm dia (PN 1.6)
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100mm dia (PN 1.6)
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Sluice Valves: ISI Marked/Heavy Duty Sluice Valves (Variety: PD) for water works purpose, CI double flanged type with hand wheels in the following sizes and pressure designation conforming to IS 14846/2000with upto date amendments . Components/ parts of sluice valves shall bemanufactured from basis material given in relevant IS: code. The valves shall be tested for (closed end test) against hydrostatic test requirement.
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