... are served as reference. Our ASNI Lug slurry knife gate valve type features:1, seal by structural ceramics ... stick to seal face andvalve plate , short type structure design makes the body more compact structure. ... .8. the valve seal adopt double seal structure type, soft seal + metal seal, metal sealing layer ... ,MSS SP135,ASME B16.35,ASME B16.10,DIN3202Flange Connection DimensionASME B16.5 DIN2532,ASME ...