... slurry ,sludge and power;good seal Slide Gate ValvePurposeThe valve is suitable for pipeline conveying such mediums including ... sludge and power;good seal.SpecificationsMotorized or pneumatic slide Gate Valve high-quality heat-resistant material UK RotorkCE ComplianceHigh ... 45# steel ,brass for screw assembly, avoid adhesionOperating temperature : Rubber ≤80°C, PTFE≤180°CWorking medium : dust, paper ...