Valve body material description

Flow characteristics near the quick opening of the gas brass safety valve in the top 60% travel approximately linear flow rate of 60% after little change. Pneumatic valve can be attached in the form of a feedback signal, stopper and locator devices to accommodate self-control, programmable or adjust the required flow. Safety valve feedback signals using non-contact sensor technology. The product film propulsion cylinder, replace the piston cylinders, piston rings ruled out easily damaged, causing leakage caused can not push the copper check valve opening and closing of the state. When the air supply fails, they can still hand wheel so that the valve opening and closing.
Valve body lined with corrosion-resistant and corrosion-resistant membrane in place of the valve assembly, the mobile use of the diaphragm regulatory role. Body material safety valve made of cast iron, cast steel, or cast stainless steel, and lined with a variety of corrosion or wear-resistant materials, rubber and PTFE membrane material. Membrane lining corrosion resistance, suitable for adjusting the acid, alkali and other corrosive media.
Simple valve structure, fluid resistance, flow capacity than other types of large valves with the specifications; no leakage, can be used for high-viscosity and have suspended particulate media regulation. The media and the diaphragm chamber isolation valve stem, so there is no packing medium does not leak. However, due to restrictions, pressure, temperature and poor membrane lining materials, generally apply only to the following 1.6MPa nominal pressure and 150 ℃.