... 2)Standard: DIN,SMS,ISO,3A 3)Material: stai Stainless Steel Pneumatic Butterfly Valve 1)Specification: ... DN15-200,1",1.5", 2", 2.5", 3", 4", 6" .2)Standard: DIN,SMS,ISO ... ,3A.3)Material: stainless steel 304,314L,316,316L.4)Applications ... handle, Multi-position handle .7)Pneumatic device: Normally closed,normally opened, ...