High speed seals
HPS, HYS

Features

• Stationary seal
• Balanced
• Stationary seal
• Balanced
• Uniform seal face loading
• Independent of direction of rotation
• Available as pusher or bellows version
• Available as single, double and tandem arrangements
• Ideally suited for high speed pumps

Operating range

Shaft diameter: Acc. to customers requirements
Pressure: p = ... 20 bar (290 PSI)
Temperature: t = ... +260 °C (... +500 °F)
Sliding velocity: vg = 50 m/s (164 ft/s)

(Consult EB for applications outside above limits).

Materials

Seal ring: Carbon graphite resin impregnated,
Carbon graphite antimony impregnated, Tungsten carbide
Mating ring: Silicon carbide, Tungsten carbide
Secondary seals: FKM, FFKM, EPR
Springs: Hastelloy® C-4
Bellows: AM 350, Inconel® 718
Metal parts: SS 316, other materials on request.

Recommended piping plans

API Plans 11, 12, 13, 14, 32, 52, 53A, 53B, 53C, 54