DUAL PLATE CHECK VALVES Range Duo check Sizes 2" to 72" Pressure ASA 150 to 2500 PN 10 to 25 Temperature -267°C to 540°C Materials Aluminium bronze / Cast iron Carbon steel / Stainless steel Special Features Seat: EPréviousomeric or metal-to-metal Applications Oil, chemical, petrochemical, iron and steel, and gas industries End Connection Between flanges Accessories -