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TG58B-TG59B

John Crane Type58B/59B Replacement

TG58B Auxiliary seal is rubber 0-ring structure TG59B Auxiliary seal is PTFE wedge ring structure

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Detail Information

Features

Multiple Spring Design

Ealanced Seal

DIN 24960/IS0 3069 Standard

Equivalent to Type58B

Type59B

Recommended Applications

Chemical industry

Industry pumps

Process Pumps

Oil refining and petrochemical industry

Other Rotating Equipment

Operating range

Shaft diameter: d1=16...100 mm

Pressure: p=0...5.2Mpa（754psi）

Temperature: t = -40 °C ..+200 °C(-40°F to 392°F)(58B)

t = -29 °C ..+260 °C(-20.2°F to 500°F)(59B)

Sliding velocity: Vg≤25m/s（82ft/s）(5000 fpm)

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 A_K

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(TG58B)

Fluorocarbon Rubber FKM V

Etylene Propylene Rubber EPDM E

Perfluorocarbon Rubber FFKM K

PTFE wedge ring (TG59B)

Pure PTFE T

4. Spring

GrNiMo-Steel (AlS1316) G

Hastelloy C-4 M

5. Metal Parts

GrNi-Steel (AlS1304) F

GrNiMo-Steel (AlS1316) G

Mechanical Seals

Pump Seals

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