IN-LINE CHECK VALVE; TYPE: A-FLY; CLASS: CLASS 150; NOMINAL SIZE: 6"; MOUNTING TYPE: WAFER; FLUIDS: WATER, AIR, OIL. MAXIMUM TEMPERATURE 400°F (204°C); SHAPE: STRAIGHT; WORKING POSITION: HORIZONTAL / VERTICAL; BODY MATERIAL: STAINLESS STEEL; RETAINING MECHANISM MATERIAL: STAINLESS STEEL; DIMENSIONS PER STANDARD: ANSI B16.34; ACCORDING TO RITE 12787 DRAWING; BODY: STAINLESS STEEL ASTM A351 GR CF8M; STAINLESS STEEL FLAP ACCORDING TO ASTM A351 GR CF8M; STAINLESS STEEL SEAT ASTM A3 51 GR CF8M; STAINLESS STEEL SHAFT TYPE 316 ASTM A479; STAINLESS STEEL SPRING; FOR MOUNTING BETWEEN FLANGES ACCORDING TO ANSI B16.5; ZERO LEAKAGE METAL-TO-METAL SEAL ACCORDING TO MSS-SP61 STANDARD; PROVIDED WITH ADJUSTABLE EXTERNAL SPRING FOR ADAPTATION TO SERVICE CONDITIONS; SUITABLE FOR WORKING IN COMMON MANIFOLDS OF MULTIPLE PUMPS WITH THE PROBABILITY OF UNCERTAIN TRANSIENTS


