PRESSURE REDUCING VALVE TYPE: DIVAL 500; NOMINAL DIAMETER: RP 1? X RP 1.1/2?; BODY MATERIAL: SPHERIDAL CAST IRON GJS 400 – 18 UNI EN 1563; END: THREADED; THREAD: BSP; STANDARD: EN 334; FACE TO FACE: 130.00 MM; PRESSURE CLASS: PN 20; INPUT PRESSURE: 8 BAR; OUTPUT PRESSURE: 100 TO 170 MBAR; REGULATION PRESSURE: 100 MBAR; WORKING PRESSURE: 100 MBAR; WORKING TEMPERATURE: -20 TO 60 DEGREES CENTIGRADE; SEAL: NITRILE RUBBER; FLUID: NATURAL GAS; INTERNAL CONSTRUCTION: WITH FABRIC RUBBER DIAPHRAGM; INTERNAL MATERIAL: BRASS / STAINLESS STEEL; OPERATION TYPE: MANUAL; SPRING COLOR: GREEN / YELLOW; ADJUSTMENT TYPE: ADJUSTMENT SCREW; FLOW RATE: 190 TO 380 NM3/H; SEALING CLASS: CL VIII; MANUFACTURER / REFERENCE PIETRO FIORENTINI: DIVAL 500 ADDITIONAL INFORMATION TO ENGRAVE OR LABEL, WITH ORIGINAL LABEL