Jiangsu Lan valve General Equipment Co., Ltd. is a professional research and development, production and sales of high-tech enterprises valve actuators. ZB, QB flameproof electric valve actuators, the company is controlled according to the coal pipe valve special customs and environmental conditions and the development, design and manufacture of valve specifications, comes with 4 ~ 20mA valve position feedback signal unit, the signal Output stronger anti-interference; and "KXBC series flameproof electric valve control box" supporting the use, can interface with the DCS system, to meet the coal mine explosion-proof valve equipment unattended, fully automated production. QB-type valve actuators, the conditions of use for coal specially designed and manufactured. QB type Denso applicable valve plate 90 degree rotation of the valve, such as butterfly valves, dampers and so on. Jiangsu Lan valve General Equipment Co. sales MB part of the rotary valve small flameproof electrical equipment by the IS09001-2000 quality system certification. For coal fire protection, dust, Central Pump House Underground jet pump and vacuum pump package. Hand - electric switch: automatic switch, direct handwheel electric apparatus can be operated manually; direct electric operation, there is no need to switch handle electric operation. Explosion-proof valves | oubei valve | 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 and you hand into the brilliant, for a better future!