Electric pump installation
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September 29 10:05:53, 2022
Electric pump installation and operation flow 1.1.1 Description [Horizontal axis electric pump] [Vertical axis electric pump] [Vertical bucket electric pumping bucket] [Submersible electric pump] [Drain bucket electric water pump Suction pump] [low suction submerged electric pump] [sewage submerged electric pump] [] and its accessories supply, installation, commissioning and related regulations. 1.1.2 Within the scope of work, the contractor shall provide all labor, materials (other than those supplied by the owner), manufacture, equipment, equipment, handling, installation, safety protection and others for the completion of this project. And instructions in accordance with the provisions of the contract. 1.1.3 Installation Site: [] 1.2 Scope of Work 1.2.1 The Contractor shall provide the complete set of pumping equipment and accessories and complete the installation, commissioning, management, maintenance, operation and training courses of the equipment. 1.3 Related Sections 1.3.1 Chapter 01330 - Data Release 1.3.2 Chapter 01450 - Quality Control 1.4 Relevant Standards 1.4.1 China National Standard (CNS) (1) CNS 659 B7015 Water Pump Inspection (General) (2) CNS 10808 G3219 ductile cast iron pipe (3) CNS 12795 B2803 Seated spring seat valve 1.4.2 NEMA 1.4.3 VDE 1.4.4 American National Standards Institute (ANSI) ANSI SUS 316 Stainless Steel (2) ANSI SUS 304 Stainless Steel (3) ANSI SUS 410 Stainless Steel 1.5 Data Release 1.5.1 The Contractor shall submit the following information [3 copies] [] within [ Audit. (1) host catalog, installation design. (2) Proof of water testing sites in the future (including the name of the company, the city located, the capacity of the test tank, the power of the pump, the maximum test water pipe, etc.). (3) spare parts list. (4) Chinese operation manual [] volume, maintenance manual [] volume. (5) the installation of the details. 1.6 site environment 1.6.1 installation location and design drawings as attached []. 1.6.2 Water quality status: [fresh water] [raw water] [], highest turbidity [] NTU, sand content [] mg / l. 1.6.3 Operating Environment: The ambient temperature of each equipment location is approximately [] ° C to [° C] and the relative humidity is approximately [] to []% RH. 1.6.4 power supply: AC [] phase, [] V, 60Hz, (other power supply, powered by the contractor to take charge of). 1.7 Warranty 1.7.1 Contractor's warranty on the function of equipment and equipment used in this work shall be [2 years] [...] from the date of passing the formal acceptance unless otherwise specified. 2. Products 2.1 Features 2.1.1 Pumps (1) Performance: Rated point in the total head [] m, the amount of water []. Reference point in the total head [] m, the amount of water []. (2) Pumping situation: daily [24 hours] [] [continuous] operation. (3) Speed: about [] rpm. (4) Operating range: [] m to [] m [full open to fully closed] []. (5) Efficiency: The efficiency at the rated point shall not be less than []%, the efficiency at the reference point shall not be less than []%, and the required horsepower within the operating range shall not be greater than the rated motor. (6) Transmission: shaft to the connector directly connected with the motor or the same axis. 2.1.2 motor (1) speed: about [] rpm. (2) Rated: continuous output about [] kW Depends on the pump manufacturer, but does not include the Service Factor and overload conditions, combined with the pump driven on the open, the maximum horsepower must not exceed [] kW. (3) Efficiency and Power Factor: According to the information provided by the motor manufacturer, the supplier should provide the motor with 50%, 75% and 100% efficiency and power factor under full load. (4) Power: AC [three-phase] [] [] V, 60Hz. (5) Starting torque: according to NEMA standard B design or VDE standard or co-drive on the pump. (6) Insulation: suitable for subtropical [] grade insulation material. (7) Temperature Rise: According to [CNS] [NEMA] [VDE] []. (8) Coil winding: to be triangular connection, with six connectors, so as to be suitable for voltage [] V star / delta wiring automatic depressurization starter. [Shall be any triangular or star connection, so that it applies to full voltage [direct] [reactance] [] starters for voltage [] V. ] (9) Starting current: must not exceed [6.5 times] [] of full load current. 2.2 Materials 2.2.1 Horizontal axis electric pump (1) Housing: To be made of [cast iron] [cast steel] [stainless steel] [] with inlet [vertical] [downwards] [Parallel], the direction of the outlet is [horizontal] [upright] and perpendicular to the main shaft. The parts that are easy to wear must be replaceable and equipped with appropriate connecting holes for the replacement of water injection funnel and exhaust cock. (2) Impeller: Made of [gunmetal] [bronze] [], easy to wear, must be replaceable. The impeller is cast as a whole and tested with precision machining and power balance to eliminate the vibration during rotation.