It can replace Burgmann SHPV.
Features
- Single seal in cartridge design
- Balanced
- Multiple springs
- Stationary spring loaded unit
- Shrink-fitted seal face
- Rugged mating ring
Advantages
- Deformation-optimized seal for high sliding velocities and high pressures
- Economical due to standardized inner components
- High flexibility due to adaptation of the connection parts to the pump seal chamber
- Insensitive to shaft deflections due to stationary design
- Pre-assembled unit for quick and easy installation
- Suitable for use in compliance with API 682, type ES
- Version with loose-fitted seal face available, for extreme applications
- Only small number of components
Operating range
Shaft diameter:
d1* = 30 … 140 mm (1.1811″ … 5.5118″)
Other sizes on request
Temperature:
t = -40 °C … +380 °C (-40 °F … +716 °F)
With adapted cooling devices for high temperature applications
Sliding velocity: vg = 50 m/s (164 ft/s)
Axial movement: ±3 mm
Sliding material combination: AQ2
Dynamic pressure: p1 = 100 bar (1,450 PSI)
Static pressure: p1 = 240 bar (3,481 PSI)
Sliding material combination Q3Q2:
Dynamic pressure: p1 = 120 bar (1,740 PSI)
Static pressure: p1 = 160 bar (2,320 PSI)
Materials
Seal face:
Carbon graphite antimony impregnated (A), silicon impregnated carbon (Q3)
Seat: Silicon carbide (Q2)
Secondary seals: FKM (V), FFKM (K), EPDM (E)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1), Super Duplex (G4)