Conical spring,unbalanced,O-ring pusher construction Torque transmission via conical spring, independent of direction of rotation. Spring with deep coils to reduce the risk of clogging in solids content or viscous liquids. Paper and sugar industry,Food Processing,waste water technology Low solids content or viscous media Sewage pumps, chemical pumps, screw pumps, process pumps Other Rotating Equipment.
Shaft diameter: d1=8...100 mm
Pressure: p=0...1.0Mpa（145psi）
Temperature: t = -40 °C ..+200 °C(-40°F to 392°F)
Sliding velocity: Vg≤15m/s（49.2ft/m）
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Rotary Face
Silicon carbide (RBSIC) O
Tungsten carbide W1
Stationary Seat
Carbon graphite resin impregnated Ak
Silicon carbide (RBSIC) O
Tungsten carbide W1
Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR) P
Fluorocarbon-Rubber (Viton) V
Ethylene-Propylene-Diene (EPDM) E
Spring
Stainless Steel (SUS304) F
Stainless Steel （SUS316) G
Left rotation: L Right rotation: R
Metal Parts
Stainless Steel (SUS304) F
Stainless Steel （SUS316) G
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Standard Stationary Seat:T8RN T4RN
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Alternatives Stationary Seat: T3RN T5RN
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