810
820
830
850b
860b

860B SERIES CARDBRIDGE DOUBLE MECHANICAL SEALS

Series & Model

American-Marsh Model 860B balanced, cartridge, pusher, o-ring double seals are industrial purpose seals for use in demanding applications. The seal utilizes an elastomeric o-ring for positive sealing and have inner and outer mechanical seals. 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 double flush port incorporated into the gland for superior seal lubrication.

Performance Characteristics

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:

Carbon

Silicon-Carbide

Tungsten Carbide

Stationary Face Materials:

Ceramic

Silicon-Carbide

Tungsten Carbide

Features & Benefits

Unique floating face design allows for the stationary and rotary faces to self-align.

Precision lapped seal faces.

Wide variety of seal faces and elastomers available.

The static o-ring eliminates any grooving or fretting of the shaft or shaft sleeve.

The stainless steel springs are isolated from the pumped fluid.

High-quality stainless steel metal parts.

Stocked rebuild kit allows for easy and inexpensive rebuilding of all wearing components.

Markets

Aerospace

Agriculture &
Irigation

Building
Trades

Chemical

Food &
Beverage

General
Industry

Marine

Mining &
Aggregate

OEM

Power
Generation

Petro
Chemical

Pharmaceutical

 

Pulp &
Paper

Semiconductor

Water &
Wastewater

Additional Information
color brochure
installation, operation & maintenance
product bulletin pdf format
seal codes