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 standardRecommended Applications
Chemical industry Industry pumps Process Pumps Oil refining and petrochemical industry Other Rotating EquipmentOperating 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）
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure
Combination Materials
Rotary Face Silicon carbide (RBSIC) O
Tungsten carbide W1
Carbon graphite resin impregnated Ak
Stationary Seat 99% Aluminium Oxide B1
Silicon carbide (RBSIC) O
Tungsten carbide W1
Elastomer Pure PTFE(PTFE) T
Spring Stainless Steel (SUS304) F
Stainless Steel (SUS316) G
Metal PartsStainless Steel (SUS304) F
Stainless Steel (SUS316) G
Stationary Seat
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Standard Stationary Seat: T7BP T7BP equivalent to John Crane BP
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