Mechaflex R.S.T. Extreme

Heavy Duty Single Cartridge Seal

Incorporates Revolutionary Patented Flexical & Metal Bellow for Toughest Operating Conditions.

R.S.T Series

R.S.T Series is compact, built with simplicity in design and incorporates the innovative sealing unit, FLEXICAL.

MECHAFLEX is proved to be yet another great innovation through ProEight’s extensive research and development, incorporating the patented, state-of-the-art sealing unit; the FLEXICAL. Field performance has proven that MECHAFLEX can successfully perform in most problematic and difficult pumps with demanding environments, providing the best sealing solution.

Design Features

Flexical compression unit
- High flexibility
- Excellent heat dissipation
- Advanced material technology
- High reliability factor
- Resistant in slurry application
Dual balance seal face design
Flow assist

Parameter

Temperature

-40°C to 310°C/-40°F to 590°F

Pressure

Vacuum to 100 Bar G/2,540 psig

Sliding Speeds

U55 m/s / 11,000 fpm

Seals Size

1.375” to 4.875”
(please consult Engineering for seal size not listed)

Seal Application

Available for seal arrangement 1, 2, & 3
Low to high pressure application
Upstream & downstream (crude oil, condensate, H2S, etc.)
Process fluid with high suspended particles (slurry) and high viscosity

Industrial Application

Oil & Gas Production

Petrochemical

Chemical/Process

Power generation

Mining & minerals

Water & waste water management

Pulp & paper processing

Mechaflex R.S.T. Extreme