Seal SHV Features (HBHV)
- Single seal in cartridge design
- Balanced
- Multiple springs
- Stationary spring loaded unit
- Shrink-fitted seal face
- Rugged mating ring
Seal SHV Material
- Seal face:
eCarbon graphite antimony impregnated (A), silicon impregnated carbon (Q3) - Seat: Silicon carbide (Q2)
- Secondary seals:
FKM (V), FFKM (K) - Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), Duplex (G1), Super Duplex (G4)
Other materials on request
Seal SHV Advantages (HBHV)
- 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
Seal SHV Recommended applications
Oil and gas industry
Petrochemical industry
Chemical industry
Power plant technology
Pulp and paper industry
Water and waste water technology
Desalination
Crude oil feed pumps
Injection pumps
Multiphase pumps