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TG91BL

TG91BL

Multiple Spring Mechanical Seal
Balanced seal TG91BL is an ideal general purpose
seal formedium and high pressures on a wide range
of dutes. Build-inprotecton design in spring, can
isolated from the medium, which makes it
suitable for use in particularty dirty of viscous
liquids and Corrosion resistant medium. With
inlergral sealface, can match with variety of
materials. Type TG91BL canbe widely used in
waste water system
and chemical industry
Detail Information
Features
 Intergral seal face
 Balanced seal
 spring built-in protec ted
 Bi-directiona
 Flexbility in seat options
Recommended Applications
  Chemical industry
  Industry pumps 
  Process Pumps
  Oil refining and petrochemical    industry 
  Other Rotating Equipment
Operating range
Shaft diameter: d1=18...100 mm 
Pressure: p=0...2.8Mpa(406psi)
Temperature: t = -40 °C ..+300 °C(-40°F to 572°F)
Sliding velocity: Vg≤20m/s(65.6ft/s)
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
     Carbon graphite,antimonyimpreg  AD
     Reaction Bonded Sic RBSIC  O
     Sintered Silicon Carbide SSlC  O1
     Tungsten Carbide.Ni-binder  W
 2. Stationary Seat 
     Reaction Bonded Sic RBSIC  O
     Sintered Silicon Carbide SSlC  O1
     Tungsten Carbide.Ni-binder  W
 3. Auxiliary Seal 
     Elastomers 0-ring
     Fluorocarbon Rubber FKM  V
     Etylene Propylene Rubber EPDM  E
     Tetraflouroe Thylene Propylene Rubber EPDM  X
     Perfluorocarbon Rubber FFKM  K
 4. Spring 
     Hastelloy C-4  M
     GrNiMo-Steel (A1S1316)  G
 5. Metal Parts
     GrNi-Steel (AlS1304)  F
     GrNiMo-Steel (AlS13 16)  G
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