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M74-D Double End Multi-Spring Mechanical Seal for Plain Shafts
Multi- Spring Mechanical Seal

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M74-D Double End Multi-Spring Mechanical Seal for Plain Shafts

Model: GW M74A

Stationary seat: GW G9

Features:

•   Dual Seal configuration

•   O-ring mounted

•   Unbalanced design

•   For plain shafts

•   Bi-directional operation

•   Multi-spring mechanism

    Scopes of Application:

    This robust seal is engineered for critical sealing applications in various equipment, including:

       •   Chemical Centrifugal Pumps: Reliable sealing for process fluids and mild corrosives.
       •   Wastewater & Water Pump Seals: Effective performance in clean water, sewage, and treatment systems. (e.g., KSB/Kaiquan Water Pumps)
       •   Pulp & Paper Pump Seals: Handles low-abrasive media in stock and circulation pumps.
       •   Marine Lube Oil Seals: Trusted sealing for onboard pump systems in shipbuilding.
       •   General Industrial Double Suction Pump Seals: A versatile solution for multiple rotating equipment sealing oil, water, and other low solids content media.


    DETAILS & SPECIFICATIONS

    Product Detail

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    The GW M74A utilizes multiple springs to provide even closing forces around the sealing face circumference. This results in improved pV capability and superior sealing performance. Its design is independent of the direction of rotation, allowing for flexible installation.

    The seal adheres to the EN 12756 standard, ensuring dimensional compatibility and interchangeability. It is specifically compatible with popular chemical process pumps like the Goulds IC i-FRAME series (e.g., models IC 100-65-160, IC 100-65-200, IC 100-65-250).

    Equivalent Products

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    • Eagle Burgmann®: M74D
    • AESseal®: M010D

    Our GW M74A is a high-quality, ISO9001-certified alternative that matches the performance and specifications of leading international brands, offering a cost-effective solution without compromising on reliability.

    Material and Operating Range

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    Construction Materials:
    • Rotary Ring: Carbon / Silicon Carbide (SiC) / Tungsten Carbide (TC)
    • Stationary Ring: 99% Ceramic / Silicon Carbide (SiC) / Tungsten Carbide (TC)
    • O-Ring: VITON / NBR / EPDM
    • Spring & Metallic Parts: SUS304 / SUS316

    * Custom configurations are available to meet specific operational needs. Please contact us to discuss your requirements for material and parameter adjustments.


    Operating Range:
    • Temperature: -40 ℃~220℃
    • Pressure: ≤2 MPa
    • Speed: 20 m/s
    • Performance: Moderately corrosive

    Mediums:
    • Oil
    • Water
    • Sewage water
    • Pulp and paper
    • Other low solid content media/ low abrasive media
    • Installation Dimensions

    Installation Dimensions

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    GW M74A
    GW M74A

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