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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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