The control valve can be a variety of drive KITZ valves, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic dynamic, electromagnetic hydraulic, electro-hydraulic, pneumatic and hydraulic, spur gears, bevel gear drives, etc; can pressure , under the effect of temperature sensor signals or other forms of Kaiheng valve, according to predetermined requirements of action, or do not rely on the sensor signal and a simple on or off, the valve is being driven or automatic mechanism to open and close member for lifting, sliding spin pendulum or rotary motion, thus changing the size of its flow area to achieve its control function. 1 \ operation of the valve should be intact, and the bracket flange bolts complete plumbing valves, screw lossless, no loosening. 2. The hand wheel is lost, should be filled and not be able to replace with a wrench. 3, packing gland is not allowed skew or no pretension clearance. 4. If the valve using a valve environment is more severe, vulnerable snow, dust, sand and dirt contamination, you should install a protective cover for the valve stem. 5, the scale on the valve should remain complete, accurate, clear, valve seals, caps. 6, insulation jacket should be no dents, cracks. 13, the operation of the valve, to avoid its beat, or support heavy loads. Watts Valve, the valve out of Hong Kong (certified), Dongguan, Huizhou valve by valve, the Hong Kong Science and Technology Co., Ltd. Valve Co., Ltd., Dongguan Ming Kong (www.gdmgfm.com) is Dongguan, butterfly leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ming Kong valve leadership with the staff warmly welcome all inquiries negotiations to create a better valve out of Hong Kong in the future.