Alfa Valvole S.r.l. KH4G1/2-X-1112-01X/GT75X90??\1/2"600LBA182-F316/A182-F316L\Soft sealVI Medium: oil / grease / catalyst; liquid. Open or close the valve time: 1.5 seconds. Packing Material: PTFE. Air supply failure valve b: in situ. Accessories: band flanges, gaske