Flowserve DHTW/UHTW Pusher Seal
- Unmatched performance and extended seal life derived from FEA-designed seal faces that boast zero net deflection from thermal, hydraulic, and dynamic forces
- Superior high temperature, slow roll, and hot standby operation enabled by high performance circulating features the deliver optimum cooling at all operating speeds
- Reliable operation in high speed services achieved via precisely controlled seal face balance ratio
- Withstands torque from high viscosity fluids and high speeds with robust drive engagement
- Extended equipment uptime with available secondary containment options
Pressure: up to 207 bar (3000 psi)
Temperature: -40 to 371°C (-40 to 700°F)
Speed: up to: 76 m/s (250 fps)
Sizes: 25.4 to 228.6 mm (1.000 to 9.000 inch)
Arrangement 1 single seal (Common Piping Plans 11, 13, 32, 62)
UHTW
Arrangement 1 single seal (Piping Plan 23)
DHTW
Arrangement 2 unpressurized dual wet seal (Common Piping Plans 52)
UHTW/DHTW
Arrangement 2 unpressurized dual seal with dry running backup (Common Piping Plans 72, 75, 76)
UHTW/GSLW
Arrangement 3 pressurized dual wet seal (Common Piping Plans 53A, 53B, 53C)
DHTW/DHTW
Arrangement 3 pressurized dual wet seal (Piping Plan 54)
UHTW/UHTW
Documents & Support
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