Features
Balanced seal
spring standing seal
spring built-in protected
Comply with EN 12756
Equivalent to HRN
Recommended Applications
Chemical industry
Industry pumps
Process Pumps
Oil refining and petrochemical industry
Other Rotating Equipment
Operating range
Shaft diameter: d1=18...100mm(0.750'' ...4.000'')
Pressure: p=0...2.5Mpa(362.5psi)
Temperature: t = -40 °C .. 220 °C(-40°F to 428°F)
Sliding velocity: Vg≤20m/s(65.6ft/s)
Notes: The range of preesure,temperature and sliding velocity is depend on seals combination materials
Product Structure
Combination Materials
1. Rotary Face
Reaction Bonded Sic RBSIC O
Sintered Silicon Carbide SSlC O1
Tungsten Carbide.Ni-binder W
2. Stationary Seat
Carbon graphite, resin impreg AK
Carbon graphite,antimony impreg AD
Reaction Bonded Sic RBSIC O
Sintered Silicon Carbide SSlC O1
Tungsten Carbide.Ni-binder W
3. Auxiliary Seal
Elastomers 0-ring
Fluorocarbon Rubber FKM V
Etylene Propylene Rubber EPDM E
Tetraflouroe Thylene Propylene Rubber EPDM X
Perfluorocarbon RubberFFKM K
Pure PTFE(PTFE) T
4. Spring
Hastelloy C-4 M
GrNiMo-Steel (AlS1316) G
5. Metal Parts
GrNi-Steel (AlS1304) F
GrNiMo-Steel (AlS1316