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  • Duplex Stainless Steel Anti Corrosive Chemical Centrifugal Pump - China

    price: 1000.00 Dollar US$

    Duplex Stainless Steel Anti-corrosive Chemical Centrifugal Pump

    Brief introduction:

    HZ series chemical process pump including HZ(closed impeller type), HZJ(semi-open impeller type) and HZQ(fully-open impeller type).

    It is an elaborately developed chemical process pump of new generation which absorbed the advanced technology of both home and aboard, and eliminated the technical defects of IH and CZ chemical process pump, with the advantages of better anti-cavitation performance, stable sealing performance, smooth operation and easy maintenance.

    The high interchangeability, transforming structures and various anti-corrosive materials satisfy the requirements of different applications, and therefore is widely used.


    Flow rate: Q= 2~2050 (m³/h)

    Total head: H=3~150 (m)

    Pump speed: n=1450/2900rpm

    Design temperature: T=-20~150ºC

    Fluid s.

    g: γ≤1.85

    Pump diameter: 50~350mm


    1 - Conform to ISO2858(GB5662)and GB/T5656(equivalent to ISO5199)

    2 - Heavy shaft of increased diameter, the bearing capacity of bearings is averagely increased by 75~160%, the life of bearings are tremendously extended.

    3 - Forced internal cooling cartridge mechanical seal and big sealing chamber reduced the possibility of breakdown.

    4 - Easy adjust method of pump rotor part to maintain low pressure of sealing chamber, to reduce the axial force, and therefore guaranteed the stable operation of pump.

    5 - Several transforming designs enlarged the range of application of pump, increased the reliability of pumping special fluids.

    6 - High interchangeability of pump parts reduced the cost on spares parts for clients.


    1 - Single stage, single suction, horizontal centrifugal pump.

    7 - Bracket structure for bearing parts, the bearing housing is supported by the bracket.

    The axial displacement of pump rotor part can be adjusted by a special bolt.

    Closed impeller(HZ type), semi-open impeller(HZJ type) and fully opened impeller(HZQ type) are available.

    2 - The impeller is connected with shaft by screw thread, an anti-vortex plate is adopted at the pump inlet to increase the reliability of pump.

    3 - The impeller with rear blades is adopted to balance the axial force at the pump suction.

    And the gap between the rear blades of impeller and pump cover can be adjusted by a bolt.

    4 - The pump structure is back pull type, the rotor part(impeller, shaft, shaft sealing and bearings) can be removed without dismantling the pipes during maintenance.

    5 - The shaft sealing is cartridge mechanical seal, and can be customized as single mechanical seal, packing sealing and secondary impeller+packing sealing.


    HZseries chemical process pump is suitable to pump clean fluids, fluids with small quantity of small particles and corrosive fluids.

    The fluids including: inorganic acid, organic acid, petrochemical fluids, organic compounds and other corrosive fluids.

    The HZ series pump is mainly applicable for: 1 - Refinery, petrochemical industries, coal mine process industry and low temperature projects.

    2 - Chemical industry, paper-making, paper pulp industry, sugar industry.

    3 - Water treatment plant, seawater desalination projects

    4 - Power plant

    5 - Environment protection projects

    6 - Vessel and offshore industries.

    Company Contact:

    • Phone: 13738006567

    • Address: No.56, Golden Hill Rd, Hi-Tech Industrial Zone, Yantan District, Zigong, Sichuan Province, Sichuan , Zigong , China

    • Email: Email

    Published date: December 7, 2021 - Modified date: December 15, 2021

    • Business Description: Sichuan Zigong Pump & Valve Co., Ltd. shorted as Zigong Pump & Valve, is the biggest chemical pump manufacturer with full specifications in West China.

      It was formerly known as Zigong Pump Factory which was designated as the key manufacturer of slurry pumps and anti-corrosive pumps by the former Mechanical & Industrial Ministry of China.

      Now after decades' development, successfully Zigong Pump & Valve ranked itself as the essential company and is selected as the council member of Pump industrial branch of CGMA(China General Machinery Association)

      Located in National High-Tech Industrial Zone of Zigong City, with 160 million RMB registered capital(approximately 26 million US dollar), Zigong Pump & Valve covers an area of 96,700 ㎡which enable the annual capacity of around 10,000 pieces pumps in various series and sizes.

      The leading products of Zigong Pump & Valve covers four categories of slurry pumps, chemical pumps, water pumps and petrochemical pumps, including more than 600 specifications of 41 series.

      All the products are widely used in chemical, petrochemical, metallurgy, mining, textile, environment protection, electricity and public facilities, etc.

      As a High-Tech enterprise and a provincial level technical center, Zigong Pump & Valve built up a graduate workstation of fluid machinery and engineering with West China University.

      And by deeply working with famous design companies and universities, Zigong Pump & Valve is able to continuously focus on R & D, and provide customers optimized pump solutions.

      Also as the biggest chemical pump manufacturer in West China, Zigong Pump & Valve owns the most advanced pump testing center and other advanced facilities as CNC boring and milling machining center,5 meter and 3.5 meter CNC vertical lathe, resin-bonded sand process line of 20T/h, 3tAOD refining system,instant spectrum metal analyzer, etc.

      The mature management and strict quality control system enable Zigong Pump & Valve to pass the authentication of ISO9001: 2008, and to obtain the "National License of Industrial Products" and "Safety Certificate of Mining Machinery".

      Zigong Pump & Valve owns over 17 branch offices scatter among the key cities, forming the sales and after sales service network through out the whole country.

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