Choose from Our Range of Products

Choose from Our Range of Products

TG8U-TG9U

John Crane Type8-1/Type 109 Replacement

TG8U Auxiliary seal is rubber 0-ring structure TG9U Auxiliary seal is PTFE wedge ring structure
Features
  Multiple Spring Design
  Unbalanced Seal
  Bi-directional
  Equivalent to Type8-1
                         Type109
Operating range
Shaft diameter: d1=18...100mm(0.750'' ...4.000'')
Pressure:  p=0...2.4Mpa(348psi)
Temperature: t = -40 °C ...200 °C(-40°F to 392°F)(TG8U)
                      t = -29°C ...260 °C(-20.2°F to 500°F)(TG9U)
Sliding velocity: Vg≤25m/s(82ft/s)(5000fpm)
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure

Combination Materials
1. Rotary Face 
     Carbon graphite, resin impreg  AK
     Reaction Bonded Sic RBSiC  O
     Sintered Silicon Carbide SSlC  O1
     Tungsten Carbide.Ni-binder  W
 2. Stationary Seat 
     Elastomers 0-ring(TG8U)
     Fluorocarbon Rubber FKM  V
     Etylene Propylene Rubber EPDM  E
     Perfluorocarbon Rubber FFKM  K
     PTFE wedge ring (TG9U)
     Pure PTFE  T
 3. Auxiliary Seal 
     Fluorocarbon-Rubber (Viton) V
     Ethylene-Propylene-Diene (EPDM) E
     PTFE Enwrap Viton M1
 4. Spring 
     GrNiMo-Steel (AlSl316)  G
     HastelloyC-4  M
 5. Metal Parts
     GrNi-Steel (AlS1304)  F
     GrNiMo-Steel (AlSl316)  G

If you have any enquiry about quotation or cooperation,please feel free to email us at or use the following enquiry form. Our sales will contact you within 24 hours. Thank you for your interest in our products.

We value your privacy

We use cookies to enhance your browsing experience, serve personalized ads or content, and analyze our traffic. By clicking "Accept All", you consent to our use of cookies.

Consent Preferences

Consent Preferences