Design "STEVI®": Straight through-or 3-way form with stuffing box packing or bellows seal; with electric or pneumatic actuators Material (Nom. Pressure): EN-JL1040 (PN 16) EN-JS 1049 (PN 16/25) 1.0619+N (PN 25/40) 1.4408 (PN 25/40) SA 216 WCB (ANSI 300) Nominal diameter: DN 15 up to 500, 1' up to 8' (straight through form) DN 15 up to 300 (3-way form) Medien/Temperature: Cold water, hot water, saturated steam, liquids, gases, oil, hot oil, etc./ -10°C up to +450°C (acc. to equipment) Applications: Industrial installations, processing technology, plant manufacturing, heating air conditioning technology, etc. Testing/Certification: DVGW (series 440) U-approval DIN 32730 (ser. 440), german TA-Luft, Gost-R, CRN,. Variations 1. Series 405 PREMIO®/DP(Stop valve) 2. Series 450PREMIO®/DP(3-way control valve) 3. Series 440 PREMIO®/DP(Str. through control valve) 4. Series 470 PREMIO®/DP(Control valves with replaceable valve trim and blow-out safe stem)