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  • Elastomer Bellows Unbalanced Mechanical Seals Qhmg1 - China

    price: contact company for price


    1. For plain shafts

    2. Single seal or dual seals

    3. Elastomer bellows rotating

    4. Unbalanced seal

    5. Independent rotation direction

    6. No torsion on bellows


    1. Shaft protection on full- scale

    2. Thanks to special bellows design, Preservation of the seal face was good

    during installation.

    3. Large axial movement ability enable mechanical seals to meet high speed

    axiel rotation.

    4. Universal industrial applications

    5. Important material certifications available

    6. High flexibile and wide extended materials

    7. Some of FDA mediums are agreeable.

    8. Special design for hot water pumps ( RMG12) available

    9. Individuals with special dimensions and additional seats available


    Water treatment and sewage proposal

    Food and beverage industry

    Pulp and paper industry

    Chemical industry

    Water, waste water, slurries ( up to 5 % by weight)

    Pulp ( up to 4 % otro)


    Dairies, beverages

    Sulfide slurries



    Chemical standard pumps

    Helical screw pumps

    Stock pumps

    Circulating pumps

    Submersible pumps

    Water and waster water pumps

    Oil applications

    ItemPart no. To

    DIN 24250Description

    1.1472Seal face


    1.3484.2L- ring ( spring collar)

    1.4484.1L- ring ( spring collar)



    3412O- Ring or cup rubber

    Conditions and Operating range

    Shaft diameter: D1 = 10 - 100 mm ( 0.39" . . . 3.94" )

    Pressure: P1* = 16 bar ( 230 PSI) ,

    Vacuum. . . 0.5 bar ( 7.25 PSI) , up to 1 bar ( 14.5 PSI) with seat locking

    Temperature: T = - 20 ° C +140 ° C ( - 4 ° F +284 ° F)

    Sliding velocity: Vg = 10 m/ s ( 33 ft/ s)

    Admissible axial movement: ± 2.0 mm

    Standards and approvals






    EN 12756


    The MG1 can also be used as multiple( tandem) seals or in a back- to- back

    arrangement. Installation proposals can be supplied as request.

    Individual' s Dimensions for specific conditions, e. G. Shaft in inches or

    special seat dimensions are available as request.


    Seal face: Carbon graphite antimony impregnated ( A) , Carbon graphite resin

    impregnated ( B) , Silicon carbide ( Q1) , Tungsten carbide ( U3)

    Seat: Silicon carbide ( Q1, Q2) , Tungsten carbide ( U3) , Special cast CrMo

    steel ( S) , Aluminium oxide ( V)

    Elastomer: NBR ( P) , EPDM ( E) , FKM ( V) , HNBR ( X4)

    Metal parts: CrNiMo steel ( G) , Hastelloy® C- 4 ( M)

    Company Contact:

    • Phone: 8657182237399

    • Address: Heshang Town Industrial Park, Xiaoshan District, H, Hangzhou, China

    • Email: Email

    Published date: September 6, 2015 -

    • Business Description: The organization have long been devoted to designing, developing,and

      manufacturing mechanical seals in one of China's modernized factory. We

      export mechanical seals and pumps through international market to other

      areas, countries and states, for example, cartridge seal, split seal,

      component seal, and brand new mechanical seal replacement.

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