Image Wafer Style 150lb. Butterfly Valve with Stainless Disc Jump to Section Product Options Related Products Product Options Part Number Size Seal Material BFVW200 2" Nitrile Rubber liner Ductile Iron BFVW300 3" Nitrile Rubber liner Ductile Iron BFVW400 4" Nitrile Rubber liner Ductile Iron BFVW600 6" Nitrile Rubber liner Ductile Iron Related Products Image 150# ASA Flanged King Combination Nipple Image Threaded Lug Style Butterfly Valve Image Wafer Style 150lb. Butterfly Valve with Aluminum Bronze Disc Image Wafer Style 150lb. Butterfly Valve with Iron Disc