FLOW CONTROLLER VALVE TYPE: SELF OPERATED BY PILOT; NUMBER OF COPIES: 2; NOMINAL DIAMETER: 1.1/2.; BODY MATERIAL: ALUMINUM; INTERNAL MATERIAL: NITRILE RUBBER; INTERNAL CONSTRUCTION: DIAPHRAGM; SEALING CLASS: IV; ADJUSTMENT TYPE: AUTO PILOTTED; OPERATION TYPE: SELF OPERATED; EDGE STANDARD: ISO 7/1; THREAD: NPT 1.1/2. X 11.1/2. WIRES/POL; NUMBER OF HOLES: 2; FACE TO FACE: 150.00 MM; FLOW CHARACTERISTICS: 60 NM3/H DP 8 MBAR; FLUID: AIR; WORKING TEMPERATURE: -15 TO 70 DEGREES CENTIGRADE; WORKING PRESSURE: MAXIMUM 500 MBAR; LEAKAGE: 60 NM3/H; SHUTTER TYPE: LINEAR; RETURN TYPE: SPRING; ADJUSTING PRESSURE: EN 88-1, CLASS A, GROUP 2, DIN 3380, RG 10; MANUFACTURER / DUNGS REFERENCE: FRS515-40R