Structure:Double seal,have screw pump's function,independent of direction of rotation, conform to EN12756(DIN24960),separate,mult-spring.
Application:Crystallization、grain、fiber medium.liquid self-circulation in seal bore work condition
Operating limits:PressureM74-D Unbalanced≤2.5MPa H74-D Balanced ≤4.0MPa
Temperature=--40~220℃ speed≤20m/s |