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TG77A-TG77D

TG77A-TG77D

Wave Spring Mechnaical Seal
Mechanical seal TG77A, Solid rotary face. Wave
Spring, driven by set screws TG77A is compact
design, specially designed for short working
length requirements, and allows for sealing
exterior and interior installation. it is ideal
for sealing with compact design requirements.
Widely used in food, dairy, brewery and
pharmaceutical industries.TG77D mechanical seal,
with Stationary seattype T4S05. Working dimensions
accordingto EN 12756, IS0 3069
Detail Information
Features
  Short installation axial
  Exterior and interior
  Bi-directional
  Rotary seat the same as TG76
  Equivalent to 7KH
Recommended Applications
Paper and textile printing industry, petrochemical industry and sewage treatment industry
Low solids content or viscous media
Sewage pumps, chemical pumps, screw pumps, Gear wheel feed pumps and multistage pumps 
Other Rotating Equipment.
Operating range
Shaft diameter: d1=16...100mm
Pressure: p=0...1.2Mpa(174psi)
Temperature: t = -35 °C ...180 °C(-31°F to 356°F)
Sliding velocity: Vg≤15m/s(49.2ft/s)

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination material
Product Structure
Combination Materials
1.Rotary Face
    GrNiMo-Steel   G
    Reaction Bonded Sic RBSIC  O
    Tungsten Carbide.Ni-binder  W
2.Stationary Seat
    Carbon graphite, resin impreg  Ak
    Carbon graphite,antimony impreg  AD
    Reaction Bonded Sic RBSIC  O
3.Auxiliary Seal
   Elastomers 0-ring
   Fluoroc arbon RubberFKM  V
   Etylene Propylene RubberEPDM  E
4.Spring
   GrNi-Steel (AlS1304)  F
   GrNiMo-Steel (AlS1316)  G
5.Metal Parts
   GrNi-Steel (AlS1304)  F
   GrNiMo-Steel (AlS1316)  G
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