Project Description

RT58U

John Crane Type58U Replacement

Type TR58U is the Rugged mechanical seals, with Mutil-Spring,O-ring pusher design. Used in the different media conditions due to extend material options . It is widely used in the general industrial applications.

Features

  • Mutil-Spring, Unbalanced, O-ring pusher

  • Rotary seat with a snap ring holds all parts together in a unitised design which eases installation and removal

  • Torque transmission by set screws

  • Conform with DIN24960 standard

Recommended Applications

  • Chemical industry

  • Industrial pumps

  • Process pumps

  • Oil refining and petrochemical industry 

  • Other Rotating Equipment

Operating range

  • Shaft diameter: d1=18…100 mm   

  • Pressure: p=0…1.7Mpa(246.5psi)

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

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

Product Structure

Combination Materials

1.Rotary Face

Silicon carbide (RBSIC) O
Tungsten carbide W1
Carbon graphite resin impregnated Ak

2.Stationary Seat

99% Aluminium Oxide B1
Silicon carbide (RBSIC) O
Tungsten carbide W1

3.Auxiliary Seal

Fluorocarbon-Rubber (Viton) V
Ethylene-Propylene-Diene (EPDM) E
PTFE Enwrap Viton M1

4.Spring

Stainless Steel (SUS304) F
Stainless Steel (SUS316) G

5.Metal Parts

Stainless Steel (SUS304) F
Stainless Steel (SUS316) G

Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials