Compact cartridge Single coil spring seal, Single Acting, Balanced, Independent of Direction of Rotation 
Seal series 70B/CG 
Standard Style
Face Materials
Rotary:- Carbon, Silicone Carbide, Tungsten CarbideStationary:- Silicone Carbide, Tungsten Carbide, Ceramic (99.5 %), Cast chrome steel

Metal Parts

AISI 316 

Secondary Seals

bullet   Elastomers


bullet   Refinery 
bullet   Petrochemicals
bullet   Chemical Process Pumps
bullet   Corrosive chemicals

Seal Characteristics

bullet   Single acting
bullet   Inside mounted
Operating Limits
Shaft Diameterd1:  20 …95 mm 
Pressure pp:  25 bar 
Temperaturet:  -20 … +220 o C 
Velocityv:  20 m/s. 

Series 70B/CG are single helical coil spring cartridge seals developed for dirty media & cloging type application. Various type material & elastomers can be offered for wide service application. The compact cartridge designs of seal permits their use in all type & centrifugal pump.

These Seals are also available in DIN 24960 standard. & will be denoted as N70B / N75B


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