Mechanical Seal H7N

Type in the Iseal : ISH7N

Shaft diameter: d1 = 14 … 100 mm (0.55″ … 3.94″) (Single spring: d1 = max. 100 mm (3.94″))
Pressure:
- p1 = 80 bar (1,160 PSI) for d1 = 14 … 100 mm,
- p1 = 25 bar (363 PSI) for d1 = 100 … 200 mm,
- p1 = 16 bar (232 PSI) for d1 > 200 mm
Temperature: t = -50 °C … 220 °C (-58 °F … 428 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Axial movement:
- d1 up to 22 mm: ± 1.0 mm
- d1 24 up to 58 mm: ± 1.5 mm
- d1 from 60 mm: ± 2.0 mm

Advantages

Features

Materials

Seal face: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Aluminium oxide (V), CrMo cast steel (S)
Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1*, Q2*)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G), Duplex (G1)

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