Delhi Development Authority Tender

Providing & Replacement of 3" BSP Straight flow Solenoid valve with victaulic grooved coupling flow control and "pressure regulation unit" which shall be normally closed 24 VAC 50/60 cycle solenoid actuated angle pattern design. The valve pressure rating shall not be less than 10.5 bar. The valve body shall be constructed of high-impact, weather-resistant Nylon Glass Filled with heavy duty diaphragm and stainless steel screws, fasteners and components. The valve shall have manual open/close control (internal bleed) for manual opening and closing of valve without electrically energizing the solenoid, manual bleed can be removed for " tamper proof" operation. The valve shall operate with minimum 24 VAC at 10.5 bar. The valve must open or close in less than 1 minute at 10.5 bar, and less than 30 seconds at 0.7 bar. The valve construction shall provide for all internal parts to be removable from the top of the valve without disturbing the valve installation of make Hydromet, India/Rain Spa,Italy/HIT,USA as approved by Engineer -in-Charge.

Providing & Replacement of 3 way pilot operated Quick Pressure relief valve size 2" along with bypass arrangement.. It shall be adjustable Pressure setting from 21 PSI - 130 PSI for maximize performance. It has 3 way pilot with 4 ports of the size 1/8"-28 BSP at a tempreture of 600c. It should be made of high streangth engineering plastic with great durability and corrosion resistance. Its pilot has glass reinforced plastic base and cap for streangth, Pilot has a max height of 155 mm and width of 69 mm of make HARIT/AQUA/ARMAS as approved by Engineer -in-Charge.

Providing & Replacement of 3" butterfly valve made of hybride plastic.It shall be with integral synthetic rubber lining. It shall be lever operated quarter turn and offers bi-directional smooth operation. The hydraulic body test pressure of the PVC buffer type Butterfly Valve is 10 bar and hydraulic seat test pressure of the product is 8 bar of make Automat/SANT/AUDCO as approved by Engineer -in-Charge.

Providing & Replacement of HDPE pipe conforming to IS:4984 :2000 and suitable for the respective working pressures with all Electrofussion fittings and accessories e.g. couplings, tees, bends, reducers, screwed adapters, flanged tail pieces etc. jointing as per manufacturers' instruction, including the earth work of 150 mm wide and 450 mm deep of make Dinesh/Duraline/Timetechnoplast as approved by Engineer -in-Charge.

90 mm PE 100-PN6

75 mm PE 100-PN6

63 mm PE 100-PN6

50 mm PE 100-PN6

40 mm PE 100-PN6

Providing & Fixing of Wireless Remote Unit "AQUA REMOTE" 4 Stations DC Type with Antenna , suitable Solar Panel and Rechargable battery ( Without GI Pole) ( For Remote Valves Operation). of make K-Rain USA/Rainspa, Italy/AQUA, India/Orbit as approved by Engineer -in-Charge.