Project Description
RT59B
John Crane Type59B Replacement
Mechanical seal Type RT59B with PTFE wedge,Mutil-Spring, balanced construction. It is suitable for use with corrosive fluid media, such as typically corrosives, and chemicals.
Features
Mutil-Spring, Unbalanced, PTFE wedge construction.
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 EN12756 standard
Recommended Applications
Chemical industry
Industry pumps
Process pumps
Oil refining and petrochemical industry
Other Rotating Equipment
Operating range
Shaft diameter: d1=18…100mm
Pressure: p=0…5.2Mpa（754psi）
Temperature: t = -40 °C ..+200 °C(-40°F to 392°F)
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.Elastomer
Pure PTFE(PTFE) T
4.Spring
Stainless Steel (SUS304) F
Stainless Steel (SUS316) G
5.Metal Parts
Stainless Steel (SUS304) F
Stainless Steel (SUS316) G