RBW-125 | Metal Bellows Single Cartridge Seal
RBW-125 | Metal Bellows Single Cartridge Seal
The RBW-125 is a Metal Bellows Single Cartridge seal with Quench, Drain, and Flush environmental ports and an outboard restriction bush. The seal has hydraulically balanced, shrink-fitted seal faces in a metal bellows rotary.
Rotary Bellows Wet (RBW) Single Cartridge Seal has O-Ring secondary seals and is designed as standard for use on parallel rotating equipment shafts. The Metal Bellows rotary is available in a number of material configurations, including Hastelloy, AM350, and Inconel 718.
The cartridge seal is set screw driven for positive engagement with the equipment shaft.
The seal has a number of further design features, including Quench and Drain port connections and restriction bush (for API Plan 62) and Flush Connection (for API Plan 11), and comes factory assembled and tested.
Product Description
Technical Specifications
- Seal Shaft Sizes:
20mm – 100mm (1.000″ – 4.000″) - Inboard Seal Face Combination:
Car/TC, Car/SiC, TC/TC, TC/SiC, SiC/SiC - Gasket:
Graphite - Bellows:
Stainless/Hastelloy/Stainless, Stainless/AM350/Alloy C42, Inconel 625/Inconel 718/Inconel 625 - Inboard Wetted Parts:
316 Stainless Steel - Elastomers:
Viton, ERP, Aflas, Kalrez - Shaft Speeds:
up to 20 m/s - Pressures:
up to 16 barg (232 psig) – Shaft Size Specific - Temperatures:
up to 180°C (356°F) (Below material specific)
WARNING: The Safe seal performance characteristics are typical characteristics for each variable in isolation. The individual upper limit values of each variable should NOT be used in multiple combinations of Speed, Pressure, and Temperature.