Model: FT8B2
Place of Origin: Zhejiang,China (Mainland)
Standard or Nonstandard: Standard
Style: Mechanical Seal
Material: Rubber
Brand Name: FIT
Certificate: ISO9001
Function: for Pump,Compressor
Export Area: Africa,East Asia,Europe


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Product Description

Payment & Shipping Terms Supply Capacity
Trade Term:FOB,CFRProduction Capacity:100 Sets/Month
Payment Terms:Paypal, L/C, T/T, WU, Money GramPacking:Carton
Min. Order:5 Set/SetsDelivery Date:30days
Means of Transport:Air, Land

Repalce John Crane M75728 Type 8B2 2.125 In Mechanical Pump Seal D574518

Armstrong Series 4300 Ab2 Mechanical Seal Gossett Pump Seal


  • Face: Carbon, SiC, TC

  • Seat: SiC, TC

  • Encapsulated Ring: Viton, PTFE

  • Spring & Other Parts: (SUS304/SUS316)


Seal Size dD1D2L1L2L3
1.125 47.6 59.4 25.615.925.3
1.625 62.0 71.8 29.515.925.3
2.125 79.4 84.6 29.515.925.3
2.625 88.9 111.0 41.315.925.3

Our seals for Armstrong pumps, Fybroc pumps(CECO, MET-PRO corp.), Aurora pumps, Bell & Gossett, Pentair pumps..

The replacement seals used for Armstrong pump series 4300 (OE NO. 975002) and Fybroc pumps. 

Seals for Armstrong pumps:

VG-975002304----1 1/8"--------975002-304
VG-975002334----1 5/8"--------975002-334
VG-975002374----2 1/8"--------975002-374
VG-975002394----2 5/8"--------975002-394

Our mechanical seal model 8B1 can Replace AESSEAL M02S and CRANE 8B1,

 Armstrong Pumps 975002-334 MECHANICAL SEAL

 The normal material combination include resin carbon/ceramic/NBR/ss304,resin carbon/tc/nbr/ss304,sic/sic/NBR/ss304 ,tc/tc/NBR/ss304 and so on. we also can

 make changes as customers'requirement or totally design a new type of mechanical

 seal to meet clients'needs.

type 8B2 Mechanical seal-multiple spring which are availble in a wide variety of elastomers

 for handing practically every industril fluid.All components are held togther by a snap

 ring in a unized construction design and can be repaired easily on-site.

High Quality Multiple Spring O-ring Mechanical Seals

We offer multi spring unbalanced sealings which are used for general-purpose

petrochemicals,mining, chemical plants, water pumps, pharmaceutical factories,

 refrigeration, power stations, and shipbuilding.

For efficiency of unbalanced seal we use raw materials such as carbon, ceramic, 

TC, PTFE and so on.

The shaft fretting in the spring unbalanced seal is minimized to lower the spring

 loads provided through wedge or O rings.

Spring unbalanced seals or spring mechanical seal can be easily assembled from

 dismantled form through circlip.

It can be changed to balance version by simply merely by changing the carbon

 face and can be provided with single, double or tandem arrangement with external

 seal support systems & devices.

8B2  mechanical seals are available in a wide variety of elastomers for handling 

practically every industrial fluid. All components are held together by a snap ring

 in a unitized construction design. It is suitable for general industrial applications

 including refining, chemical processing, food and beverage, petrochemical 

processing, pharmaceutical, wastewater and power generation.

Category: O-Ring Mechanical Seal

Related Category: PTFE Mechanical Seals  Elastomer Bellow Seals