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DIAPHRAGM VALVE; NOMINAL SIZE: 3 IN; MOUNTING TYPE: RF FLANGED ACCORDING TO ANSI B16.5; FLUIDS: WATER WITH ABRASIVES; OPERATING TYPE: PNEUMATIC ACTUATOR; PRESSURE: 4.5; BODY TYPE: STRAIGHT; BODY MATERIAL: CAST IRON ASTM 126 LINED WITH SOFT RUBBER; DIAPHRAGM MATERIAL: AA SOFT RUBBER; DIAPHRAGM VALVE STRAIGHT BORE TYPE KB MODEL; DIAPHRAGM VALVE STRAIGHT BORE 3" TYPE KB, LINED IN SOFT RUBBER AND WITH PNEUMATIC ACTUATOR; NOMINAL DIAMETER: 080 MM, TEST PRESSURE: 4.5 BAR, RESISTANCE KG/CM2: 4.5 BAR, SEALING PRESSURE: 15 BAR; WITH NORMALLY CLOSED PNEUMATIC ACTUATOR, MODEL KESC63