SH V Burgmann mechanical seals

SH V

Features

  • Cartridge design
  • Single seal
  • Balanced
  • Multiple springs
  • Stationary spring loaded unit
  • Shrink-fitted seal face

Advantages

  • Deformation-optimized seal for high pressures and also high sliding velocities (static up to 500 bar (7,250 PSI) and dynamic up to 150 bar (2,175 PSI))
  • 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 also 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* = 40 … 250 mm (1.57″ … 9.84″)
Seal Pressure: p1 = 150 bar (2,175 PSI)
Seal Temperature: t = +200 °C (+394 °F),
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ±3 mm* Other sizes on request

SH V Materials

Seal face:
SiC-C-Si silicon impregnated carbon (Q3), Carbon graphite antimony impregnated (A)
Seat: Silicon carbide (Q)
Secondary seals:
FKM (V), EPDM (E), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1), Super Duplex (G4), Titanium (T2), Hastelloy® C-4 (M)

Standards and approvals

  • API 682 / ISO 21049

 

Download catalog for more information:SH(V)