Project Description
RT58B
John Crane Type58B Replacement
Mutil-Spring, and O-ring pusher mechanical seal Type RT58B with balanced construction, including anti-xetrusion ring, permits use in higher pressures. Used in the different media conditions due to extend material options . It is widely used in the general industrial applications.
Features
Mutil-Spring,balanced,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
Industry pumps
Process Pumps
Oil refining and petrochemical industry
Other Rotating Equipment
Operating range
Shaft diameter: d1=18…100 mm
Pressure: p=0…5.2Mpa(754psi)
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