Home > >>mechanical seals>> Elastomer Bellow Mechanical Seals >>TB21, 21T Mechanical Seal
SKU: 076

TB21, 21T Mechanical Seal

Replacement to:

John Crane 21 seal

Aesseal P04/P04T seal

Flowserve 110 seal

Roten 21Aseal

Sealol 43 CU Short seal


US Seal C seal


1. If you send us request ,

swift reply you in 8 hours !

2. Free sample supply ,

to get your trust !

Share this site:

  • Product Detail
  • Make an inquiry

1. Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤1.0MPa
Speed: ≤15m/s
2. Materials:
Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded
Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)Spring and Metal Parts: Stainless Steel, Stainless Steel
3. Seat Type:
Standard: TBT11
Alternative: TBCT20, TBT21
4. Applications: Clean Water, Sewage Water, Oil and other moderately corrosive fluids