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)
Материалы
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)
