Jiangsu Lan valve General Equipment Co., Ltd. to improve customer service system, and we "do everything for the user satisfaction" commitment. The Company produced sales of ball valves are widely used in petroleum refining, long-distance pipelines, chemical, paper, pharmaceuticals, water conservancy, power, municipal, steel and other industries, occupies a pivotal position in the national economy. When the drain; when filled with water, remove the air taking self-closing valve float:;: ball by function 1, the bypass valve ball is usually hydrostatic open, it set up the first level pressure bypass valve, which filled with water on both sides of 2, the air valve closing valves, make-up air to use, needle valves, float fall on their own; 3, the pressure relief valve: Turn the closed shutter, excluding water pressure between the valve and closures fraying closures; 4, drain valve: exhaust Spherical lower part of the body of water.江苏兰 valve General Equipment Co., Ltd. passed IS09001-2008 quality system certification, product certification through the national explosion-proof electrical products for Quality Supervision and Inspection Center, made explosion-proof certificate and coal safety certificate. 1 ball advantage. Fluid resistance, ball full bore little flow resistance. 2. Simple structure, small size and light weight. 3. Compact and reliable. It has two sealing surface, and valve sealing surface material widely used kinds of plastic, sealing, and can be completely sealed. In the vacuum system it has also been widely used. 4. Easy to operate, opening and closing rapidly, from fully open to fully closed as long as the rotation 90 °, to facilitate remote control. 5. Easy maintenance, simple ball valve, seals are generally activities, the length of the cut-off valve, the removal replacement is more convenient. 6. In the fully open or fully closed, sealing surface and the dielectric isolation ball and seat, through the media, will not cause erosion of the valve sealing surface. 7. Wide range of applications, from small to a few millimeters in diameter, large meters, from high vacuum to high pressure can be applied. 8. Since the ball valve opening and closing process wiping, so can be used for media with suspended solid particles. Throttle valve, 江苏兰 valve, globe valve by valve General Equipment Co. 江苏兰.江苏兰 valve General Equipment Co., Ltd. (www.lanfa.cn) quality of service and products, continue to receive the recognition and trust of new and old customers and the industry. Our company is a certified member of the whole alliance network operators, business alliance customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!