Project Description
- Designed for “Low-Emission” conforming to the American STLE-
limits - Can handle extensive applications in
various temperatures and pressures - Versatile in design to fit various seal
chambers - Material of construction available in
special metallurgy
- Light hydrocarbons
- Oil and gas industry
- Petrochemical industry
- Refining technology
- API 610 / ISO 13709 pumps
- Process pumps
- API 682 / ISO 21049
- Seal face: Carbon graphite antimony impregnated (A)
- Seat: Silicon carbide (Q1, Q2)
- Secondary seals: EPDM (E), NBR (P), FKM
(V), FFKM (K) - Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
- Sizes: d = Upto 110 mm (Upto 4.250’’)*
- Pressure: p1 = 40 bar (580 PSI)
- Temperature: t = -40 °C … +220 °C (-40 °F…+428 °F)
- Speed = 23 m/s (75 ft/s)
- Permissible axial movement: ± 2.0 … 4.0 mm
depending on diameter and installation situation - * Other sizes on request
- Single seal configuration
- Balanced design
- Independent of direction of rotation
- Cartridge construction
- Category 2 and 3, Type A, Arrangement
1 - Design in accordance to API 682 / ISO
21049 - Pumping device available for increased
efficiency in circulation (C861WO) - Rotary unit with multiple springs