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DIAPHRAGM VALVE; NOMINAL SIZE: 4 IN; MOUNTING TYPE: RF FLANGES ACCORDING TO ANSI B16.5; FLUIDS: DILUTE ACIDS, CHLORINATED SOLUTIONS. MAXIMUM TEMPERATURE 110 °C; TYPE OF OPERATION: MANUAL BY STEERING WHEEL; PRESSURE: CLA SE 150; BODY TYPE: STRAIGHT; BODY MATERIAL: CAST IRON WITH INTERNAL BUTYL COATING; DIAPHRAGM MATERIAL: BUTYL