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          homeProductExplosion proof sewage pump

          HWQB series explosion-proof submersible electric pump

          date:[2024-06-03]     pk_hits:

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          Product Overview

          The HWQB series explosion-proof submersible electric pump (hereinafter referred to as the submersible pump) adopts a stainless steel/cast iron design and consists of three parts: the submersible pump, seal, and electric motor. The motor is located above the submersible pump and is a single-phase or three-phase asynchronous motor structure. The liquid pump is located below the motor and adopts a unique single or double channel multi-stage impeller structure, greatly improving the liquid passing capacity. The appearance adopts precision casting and stainless steel barrel, which is beautiful and generous, and has the characteristics of rust prevention, corrosion resistance, and no pollution.

          Explosion proof sign: Exd llC T4 Gb

          Protection level: IP68

          Voltage: 220V380V/660V/140V

          Applicable occasions

          (1) The discharge of industrial and commercial waste liquids with severe pollution.

          (2) Flammable and explosive products are used in chemical plants such as oil stations.

          (3) The drainage system of urban sewage treatment plants.

          (4) Civil air defense system drainage station.

          (5) Wastewater discharge from hospitals and hotels.

          (6) Municipal engineering and construction sites.

          (7) Exploration and mining supporting machinery.

          (8) Irrigation of farmland using biogas digesters in rural areas.

          Execution standards

          GB 3836.1-2010 Explosive Atmospheres Part 1: General Requirements for Equipment

          GB 3836.2-2010 Explosive Atmospheres Part 2: Equipment Protected by Explosion proof Enclosures "d"

          GB 25286.1-2010 Non electrical equipment for explosive environments Part 1: Basic methods and requirements

          GB 25286.3-2010 Non electrical equipment for explosive atmospheres Part 3; Explosion proof shell type "d"“

          GB/T4208-2017 Degrees of Protection Provided by Enclosures (IP Code)

          Usage conditions

          (1) The volume ratio of solid impurities in the material shall not exceed 0.1%, and the particle size shall not exceed 0.2mm, with a temperature not exceeding 40 ℃. If the liquid temperature exceeds 40 ℃, high-temperature resistant mechanical sealing cable material can be selected, such as stainless steel 304 316;

          (2) The electric pump can be submerged in liquid as a whole and can be used vertically or horizontally. But the liquid should not be lower than the impeller of the electric pump to avoid insufficient liquid output of the electric pump. Insufficient cooling of the motor caused the machine to burn out.

          (3) When transporting dirt, it is necessary to install a filter screen on the bottom plate of the electric pump impeller to avoid blockage inside the impeller. When not in use, debris should be cleaned up in a timely manner.

          Product model

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          Copyright ?2018 Wenzhou Gulf Pump Co., Ltd. all rights reserved

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