Compact two-stage cylinder pressure regulator type Thanos II in accordance with ISO 2503 for technical, medical, corrosive, laboratory and high-purity gases. Two-stage design provides absolutely constant outlet pressure even as cylinder pressure decreases. Features: compact design, high control accuracy, inlet (right) with cylinder connection per DIN 477-1 or DIN 477-5, alternatively 1/4" NPT-F; outlet: compression fitting or threaded fitting; inlet and outlet pressure gauges Ø 50 mm (DIN EN 837); 74 µm inlet filter; relief valve; gas purity up to 6.0; temperature range -20 to +60 °C; body materials: nickel-plated brass or stainless steel 316L; diaphragm: stainless steel 316L; seat: PCTFE; leak rate < 2×10⁻⁸ mbar·l/s (He); compliant with 2014/68/EU (PED) and 2014/34/EU (ATEX). Options: shut-off or metering valve, purge system (internal or external), contact gauge or pressure transmitter.