Advantages
Robust and easy to install design
Springs protected from the product
No metal parts on the product side
Simple conversion of gland packings
Operating range
Shaft diameter:
d1 = 15 … 300 mm (0.59" ... 11.81")
Pressure: p1 = 16 bar (232 PSI)
Temperature:
t = -40 °C … 220 °C (-40 °F … 428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Materials
Seal face:
Silicon Carbide (Q2), CrMo cast steel (S)
Seat: Carbon graphite resin impregnated (B), Silicon carbide (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K), coated (M)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G)