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single spring unbalanced seals


Seal Face :Carbon, Silicon, Ceramic, TC
Secondary Seals :Viton/PTFE/GFT
Metal Parts :SS 316, Alloy 20, 904L

Single Spring Unbalanced Seals

Single Spring Unbalanced Seals are unbalanced single acting helical coil spring seals independent of direction of rotation.

Single Coil unbalanced seals are internally mounted and thereby easy to install. The rotary seal ring is driven by motion transmitted by the shaft to spring. Slippages are eliminated thus protecting the shaft and sleeve from fretting.

The spring is completely protected from the product. It is extremely convenient to handle media containing abrasive particles and solids.


Specially used in paper industries, petrochemicals, petroleum refinery etc

Operating Limits

Pressure : 10 bars (Max)
Temperature : (-)50°C to (+)280°C
Speed : 2900 rpm (Max)
Sizes : 16 mm to 150 mm