Pietro Fiorentini Gas Pressure Regulator Norval

Brand	Pietro Fiorentini
Model	Norval Gas Pressure Regulator
Technical Specifications	Design: Direct-acting pressure regulator Nominal Sizes (DN): 25 (1”), 40 (1½”), 50 (2”), 65 (2½”), 80 (3”), 100 (4”), 150 (6”), 200 (8”) Flanged Connections: UNI PN 16; Class 150 RF Materials: • Body: Cast steel ASTM A216 WCB (all DN) • Spheroidal Ductile Iron GS 400–18 ISO 1083 (up to DN150) • Covers: Drop-forged carbon steel (Ø 375–630), Aluminium (Ø 658–817) • Diaphragm: Rubberized canvas (hot-pressed) • Seat: Stainless steel • Sealing Ring: Nitrile rubber • Fittings: Zinc-plated carbon steel Operating Features: • Max Inlet Pressure: up to 19.6 bar (DN25–DN80), up to 8 bar (DN100–DN200) • Downstream Pressure Range: 8–4400 mbar (DN25–DN100), 12–1800 mbar (DN150–DN200) • Accuracy Class (AC): up to 5 • Lock-up Class (SG): up to 10 • Ambient Temp: -40°C to +60°C • Inlet Gas Temp: -20°C to +60°C
Gas	Natural Gas, LPG, Non-Corrosive Gases
Dimension & Weight	DN25: ~200 × 150 × 140 mm / ~6 kg DN50: ~280 × 200 × 180 mm / ~10 kg DN100: ~420 × 320 × 280 mm / ~20 kg DN200: ~650 × 480 × 420 mm / ~45 kg