Seal Compatibility
(European Based manufacturers)

replace the mechanical seals of John crane 87(EI/EC)

Maximum Operating Limits
Pressure:  0.8MPa
Speed :18m/s
Temperature: -40 +200 ℃

Seal faces: Cr-Mo steel, carbon graphite,
 silicon carbide, tungsten carbide
Stationary seats: silicon carbide, alumina ceramic,
carbon graphite, Cr-Mo steel
Springs, face housing: AISI 316, 316Ti, Hastelloy?-C, Alloy 20
Secondary seals: NBR, FPM, EPDM, Teflon? Encapsulated Viton, Kalrez?

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