询价物品
| 物品名称 | 图片 | 采购量 | 厂牌型号/规格属性 |
|---|---|---|---|
| 泵 |
|
3台 |
采购要求
| 交货地 | 北京市 |
|---|---|
| 补充说明 | 技术要求如下： Liquid: water Liquid temperature: 35 deg. C pH 7.5 to 8.3 Total hardness of water: up 360 mg/l Suspended solid: 50 mg/l Capacity 230 to 420 m3/h Minimum flow rate during circulation 50-60 m3/h Working pressure: 21 to 25.5, max 27 MPa, Working points for pump: Q1 = 230 m3/h P1 ~ 25.5 MPa Q2 = 362 m3/h P2 ~ 23 MPa Q2 = 422 m3/h P3 ~ 21 MPa Suction pressure: 0.15 to 0.35 MPa Motor power 3150 kW Motor speed: 2000 to 2980 rpm. Included frequency regulation Q-ty: 3 pcs. In delivery kit each pump units must include: Pump unit with coupling and motor with power 3.15 MW common base plate Possibility of frequency regulation in range from 2000 to 2980 rpm lubricating pump station must include piping connections if necessary, the motor cooling system with piping connections protection valves are required to ensure the minimum flow rate of a pump (alike SCHROEDAHL), installed on the pump discharge pipe If possible include filter for protect pump at start-up and initial operating period Counter flange for welding pipes for all outlet (connection) Instrumentation and control kit for pump, motor, lubricating station: must include shaft speed sensor for pump, pressure sensor, manometer input and output, temperature detector, vibration sensor for each pump and etc. Spare parts set for commissioning and 1.5 years operation. |
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