AS-R74D multiple spring mechanical seal

Suggested Operation Limits

Temperature:-20～180℃

Speed: ≤20m/s

Pressure:≤ 2.5Mpa

Combined Material

Rotary face: SUS/Carbon/SIC/TC

Stat Ring: Carbon/SIC/TC

Seat Type: Standard AS-S09, Alternative AS-S04/S06/S92/S13

Features
For plain shafts
Double seal
Unbalanced
Rotating multiple springs
Independent of direction of rotation
Seal concept based on the M7 range
Variant with pumping screw available (M74F-D)

Advantages
Easily interchangeable faces makes efficient stock keeping  possible
wide range of  materials selection 
Flexibility in torque transmissions
For connection dimensions d1 up to 100 mm (3.94")

Recommended applications
Chemical industry
Process industry
Pulp and paper industry
Low solids content and low abrasive media
Toxic and hazardous media
Media with poor lubrication properties
Adhesives
Chemical standard pumps

Description

Double seals in the M74-D series have the same design-features as the “M7“ family of single seals (easy-to-replace seal faces, etc.). Apart from the installation length of the drive collar, all fitting dimensions (d 1 <100 mm) conform with EN 12756.