江苏兰 valve MKZ941H flameproof electric valve is mainly used for automatic control of coal mine water pump house unattended; and "KXBC series flameproof electric valve control box" after supporting the use of HVAC butterfly with DCS system convergence. Flameproof electric valve implementation of standards and performance specifications: Q / 320412LFY001-2012 "coal mine explosion-proof electric valve actuators technical conditions" GB / T 12224-2005 "General requirements for steel valves" GB / T 12221-2005 "metal valve Structural length "GB / T 19672-2005" pipeline valve technical conditions "GB / T 12234-2007" oil and gas industry with the stud-bonnet steel gate "GB / T 12229-2005" General valve carbon steel cast iron member technical conditions "GB / T 26480-2011" valve inspection and test "GB / T 13927-2008" industrial valve pressure test "Jiangsu Lan valve General Equipment Co., Ltd. which is a coal mine safety certificate and proof card business. Mine explosion-proof electric valve protection class IP68, suitable for explosive environments, high safety factor, operating functions, stable performance. Explosion-proof products dI and dIIBT4 two kinds, dI applicable to non-coal mining face; dIIBT4 butterfly valves used in factories for the environment IIA, IIB explosive gas mixture level T1 ~ T4 group was. Mine explosion-proof electric valve Features: 1.Z explosion-proof electric apparatus dustproof, waterproof, anti-light corrosion, the protection class IP55, IP65 (special order); 2 torque control mechanism and reliability, easy adjustment, torque repeatability. high; 3 stroke control mechanism adjusts the valve gear with high accuracy and repeatability, opening and closing to be fitted to each of 2-4 micro switch; 4. semi-automatic hand - electric switching mechanism, institutional simple buy Butterfly, work reliable, lightweight operation; 5 Operating environment: non-flammable, explosive and highly corrosive medium sealed butterfly valve | Butterfly | 江苏兰 valve provided by 江苏兰 valve General Equipment Co..江苏兰 valve General Equipment Co., Ltd. (www.lanfa.cn) strong, credible, in Changzhou, Jiangsu regulating valve industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jiangsu Lan valve into the brilliant and you work for a better future!