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Mechanical Seal Series

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Detailed Product Description

Face Materials :

Applications :

Carbon, Ceramic,
Silicon Carbide, Tungsten Carbide, Lecrolloy

Petrochemical
Petroleum Industry
General chemicals
Light hydrocarbons

Metal Parts :

Seal Characteristics :

SS 316, SS304

Single Acting
Unbalanced
Inside mounted
Independent of Direction of Rotation
To DIN 24960

Secondary Seal :

AI D 70 : Elastomers
AI D 75 : PTFE, GFT

Operating Limits:

Shaft Diameter d1	14... 100 mm
Pressure p	10 bar (max)
Temperature t	-60 ... +220°C
Velocity v	20 m/sec

Series AI D 70 & AI D 75 are single helical coil spring seals developed for dirty media and clogging type applications. Torque transmission from retainer shell to seal ring is done through drive lugs. All components are held together by a snap ring which helps in easier installation and removal. As all parts are interchangeable, one can covert series AI D 70 to AI D 75 by changing only the seal ring and the secondary seal. This concept is ideal for stock rationalization.

Shrink Fit Arrangement*
Temperature Limits:

SS 304 ...................... 110°C
SS 316 ...................... 110°C
Hastelloy-C ................175°C
Carpenter-42 .............. 350°C