Single Cartridge Seal: RBW-125
Single Cartridge Seal: RBW-125
HydroMax Seal RBW-125 | Metal Bellows Single Cartridge Seal with Quench, Drain & Flush Ports
The RBW-125 is a metal bellows, hydraulically balanced single cartridge seal equipped with quench, drain, and flush environmental ports, along with an outboard restriction bush for use with API Plan 62 and Plan 11 piping arrangements. Designed for parallel-rotating equipment shafts, this rotary bellows wet (RBW) seal features shrink-fitted seal faces and an O-ring secondary seal.
With material options including Hastelloy, AM350, and Inconel 718, the RBW-125 is well-suited for demanding applications that require superior thermal stability and chemical resistance. This seal comes factory assembled and tested to ensure reliable field performance.
Product Description
Design Features
- Hydraulically balanced rotary metal bellows seal
- Shrink-fitted seal faces for stability and long life
- Flush, quench, and drain ports compatible with API Plan 11 and Plan 62
- Outboard restriction bush for pressure control
- Set screw driven for secure shaft engagement
- O-ring secondary seals for effective dynamic sealing
- Available in various high-performance bellows materials
- Factory assembled and tested for ready-to-install performance
Technical Specifications
- Seal Shaft Sizes:
20mm – 100mm (1.000″ – 4.000″) - Inboard Seal Face Combinations:
Car/TC, Car/SiC, TC/TC, TC/SiC, SiC/SiC - Gasket:
Graphite - Bellows Material Options:
- 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) – Bellows material specific
WARNING:
Performance values are based on isolated variables. Do not apply maximum limits for pressure, speed, and temperature at the same time.