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TG71B

TG71B

EagleBurgmann type H7N series Replacement
TG71B, TG74B mechanical seal with stepped shafts
andbalanced design, which can used in high
pressure condition. used in the different media
conditions due to extend material options, Mass
production in standard modular, with low cost and
competitive price.
Detail Information
Features
Balanced
Wave Spring
Bi-dire ctional
EN 12756 Standard
Equivalent to H7N
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=14...105mm
Pressure: p=0...2.5Mpa(362.5psi)
Temperature: t = -40 °C ...220 °C(-40°F to 428°F)
Sliding velocity: Vg≤20m/s(65.6ft/s)

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination material
Product Structure
Combination Materials
1.Rotary Face
   Reaction Bonded Sic RBSIC  O
   Sintered Silicon Carbide SSlC  O1
   Tungsten Carbide.Ni-binder  W
   Cr-Steel (Solid)  E
2.Stationary Seat
    Carbon graphite, resin impreg  Ak
    Carbon graphite,antimony impreg  AD
    Reaction Bonded Sic RBSIC  O
    Sintered Silicon Carbide SSlC  O1
    Tungsten Carbide.Ni-binder  W
3.Auxiliary Seal
   Fluoroc arbon RubberFKM  V
   Etylene Propylene RubberEPDM  E
   Perfluorocarbon Rubber FFKM  K 
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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