Department Of Atomic Energy Tender

Turbomolecular Pump with Contoller Items :

Inlet flange: DN 160 ISO-K ,Pumping speed for Nitrogen: ≥ 85 ls-1 Helium: ≥ 390 ls-1 Hydrogen: ≥ 325 ls-1 Compression ratio for Nitrogen: ≥ 1x1011 Helium: ≥ 2x108 Hydrogen: ≥ 1x106 Backing vacuum pressure for nitrogen: ≥ 10 mbar Start time to reach normal rotation speed: 180 s Protection category: IP 54 i.e. Protection against dust limited ingress and water sprayed from all direction. Resonance stability during ramp up between 100-300 Hz, Ultimate vacuum: 1x10-7 mbar, Turbo controller: Suitable controller to power the turbo pump with provision for connecting three gauges. Vacuum interlock: Safety interlocks to stop rotation at the loss of backing vacuum Safety features: Stop rotation when the turbo is over heated. Power: single phase AC 220 V 50 Hz Control unit should display following parameters: a) Speed of the pump b) Current drawn by the pump c) Operating hours d) Panel lock to avoid accidental use e) Vacuum pressure and option for 0-1V analogue output. f) Option to connect 3 nos gauge, Air cooling kit: 1 No ,Inlet Mesh: 1 No, Manual Venting Valve: - 1 No ,Backing pump: Rotary Vane Oil Vacuum pump having following features -1) No particulate contamination: - should be frictionless design, no wearing parts in the path of pumped gases and therefore no particulate generation. ,2) High reliability , 3) Nominal Pumping speed: - 3 m3/h ,4) Ultimate vacuum: - W/o gas ballast: - 0.005 mbar, With gas ballast: - 0.06 mbar, 5) Leak tightness: - 2 x 10-6 mbar l/s, 6) Input voltage: - 100 – 230 V, 50 Hz, 7) Inlet flange: - DN 25 ISO-KF, 8) Weight: - Approx 30 Kg

Annual Maintenance Contract Cost for product each Unit month wise