... are served as reference. Our ASNI Lug slurry knife gate valve type features:1, seal by structural ceramics, can prevent solid ... than 80 °C.8. the valve seal adopt double seal structure type, soft seal + metal seal, metal sealing layer effective protection soft sealing ... InspectionMSS SP81,MSS SP61,API598,ISO5208Type Of OperationGear,Electric,Pneumatic,Manual-Air-HydraulicDN(NPS)2"~24"PN(LB)Class 150LB~ ...