OEM Single Cartridge: RPW-115
OEM Single Cartridge: RPW-115
HydroMax Seal RBW-125 | Rotary Pusher Wet Single Cartridge Seal for FLOWSERVE MkII Pumps
The RBW-125 is a Rotary Pusher Wet (RPW) single-cartridge seal, specifically engineered for use in FLOWSERVE MkII pumps. It features hydraulically balanced, shrink-fitted seal faces housed within a metal bellows rotary design. The seal features flush environmental ports, an outboard restriction bush, and O-ring secondary seals, ensuring reliable performance on parallel rotating equipment shafts.
The cartridge seal is set screw driven for secure engagement with the pump shaft and is delivered factory assembled and tested for operational readiness.
Product Description
Design Features
- Purpose-designed for FLOWSERVE MkII pump compatibility
- Metal bellows rotary construction for balanced operation
- Flush port and outboard restriction bush included
- O-ring secondary sealing
- Supplied factory tested and assembled
- Set screw driven for positive shaft engagement
Technical Specifications
- Seal Shaft Sizes:
1.125″, 1.375″ - Inboard Seal Face Combination:
Car/TC, Car/SiC, TC/TC, TC/SiC, SiC/SiC - Gasket:
GFT, AF1 - 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 110°C
Warning
Seal performance characteristics are listed separately for each variable. Do not use upper limits of speed, pressure, and temperature in combination. Always consult HydroMax Seal for application-specific advice.
