VALVE; MODEL TYPE DESIGNATION: BUTTERFLY; MATERIAL BODY: STAINLESS STEEL A351 CF8M; ADDITIONAL FEATURES: HIGH RESISTANCE (NOT RECOMMENDED VITON) CLASS ANSI 150 B16.5 OPERATED BY DIAPHRAGM TYPE ACTUATOR FAILURE CLOSED BY SPRING WITH MANUAL OVERRIDE PNEUMATIC HYDRAULIC TYPE WITH HYDRAULIC OPENING. FACE SPACING 100MM; BRANDS: DEZURIK