Model: M74D-80
● Double Seal
● Unbalanced
● Independent of Direction of Rotation
● Multiple Springs

Double seals in the M74-D series have the same design-features as the "M7N" family of single seals (easy-to-replace seal faces, etc.). Apart from the installation length of the drive collar, all fitting dimensions (d1 < 100 mm) conform with EN 12756 (DIN 24960).


Materials for Mechanical Seals:
● Face Materials: Carbon Graphite / Silicon Carbide/ Tungsten Carbide
● Secondary Seal Components: NBR/VITON/EPDM
● Spring and Construction Materials: Stainless Steel


Operating Limits:
● Pressure: ≤2.5 MPa
● Temperature : -50℃~220℃
● Linear Velocity: ≤35 M/S