Structural features a pneumatic valve, this valve consists of body, valve cover, gate, stem, seals, double cylinder and piston rod, partitions along with buffering mechanism, manual, pneumatic - manual conversion device and part of the valve cover packing devices. 2, the upper end of the piston stroke to be the top line on the back to the hearing so that the sender; the lower end of the lower piston stroke line information is available under the top next time z641f pneumatic valve price, so that the sender Weifang valve, gate valve open as Closed information on the central operating room simulation dashboard display. In order to meet users to achieve automatic operation, the company in addition to the supply of this series, they can also provide a separate cylinder valve body includes a bracket including Shandong, helping users to the existing wide range of manual valve to transform the twin pneumatic actuators valve installed in the manual valve body part of the large cap valve, can constitute a pneumatic cylinder - manual dual gate. Because of its advanced technology, reliable performance, easy operation and maintenance switch has been petroleum, chemical, metallurgy, electric power, shipping and other departments as pipeline gas, liquid medium switchgear and widely used. The main performance parameters Temperature: -29 ~ 425 ℃ (steel) -40 ~ + 550 ℃ (stainless steel) Body material:. 304.306.316L Flange: JB / T79. GB913. HG20592 Applicable medium: air, water, steam, oil and nitric acid, acetic acid and other corrosive fluids supply voltage: 220VAC, 24VAC input signal: 4 ~ 20mA / 1 ~ 5VDC0 ~ 20mA / 0 ~ 10VDC pneumatic valve Sellers | gate | Everbright valve Model provided by Valve Co., Ltd. Shandong China Everbright. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) strong, credible, Shandong Weifang ball industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Everbright valve into the brilliant and you work for a better future!