Series & Model
American-Marsh Model 850B balanced, cartridge, pusher, o-ring seals are industrial purpose seals for use in demanding applications. The seal utilizes an elastomeric o-ring for positive sealing. The springs are manufactured of stainless steel and are isolated from the pumped fluid.
The glands in 1.375″, 1.875″ and 2.625″ are sized for large bore boxes and registers and are standard on the American-Marsh 460 Series ANSI product line. All glands have an integral flush port incorporated into the gland for superior seal lubrication.
Sizes: 1.375″ (34 mm) To 3.000″ (76 mm)
Pressures to: 425 PSI (29 Bar)
Temperatures to: -40 F (-40 C) To 400 F (205 C)
Speed Ranges: To 3600 RPM
Available Face Materials
Rotary Face Materials:
Stationary Face Materials: