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 Nominal pressure: 1.6 Z641F pneumatic valve supplier, 2.5.4.0.6.4MPa Operating temperature: -29 ~ 425 ℃ (steel) -40 ~ + 550 ℃ (stainless steel) Nominal diameter: DN50 ~ 800mm Body material: 304.306.316L.WCB.HT200 Flange: JB / T79. GB913. HG20592 Applicable medium: air, water, steam, oil and nitric acid, acetic acid and other corrosive fluid mode of action: cut-off, adjustable, manual control supply voltage: 220VAC, 24VAC input signal: 4 ~ 20mA / 1 ~ 5VDC 0 ~ 20mA / 0 ~ 10VDC consistent speed gearbox 3.1 external enclosure materials and corrosion requirements and body principles. 3.2 Measures should be sealed box after box assembly can withstand immersion three meters of water conditions. Opening and closing stopper 3.3 box on the adjustment nut should be in cabinets or located outside the box, but need special tools available jobs. 3.4 Drive structural design is reasonable offer Z641F pneumatic valve, open and close valves can only drive shaft rotates, it does not move up and down, bite moderate transmission parts, does not produce open and close with a load when the separation skid. 3.5 Transmission box with the valve shaft seal leak can not be connected to the whole, otherwise the string should be a reliable anti-leakage measures. 3.6 cabinets without debris Weifang valves, gear grease should bite protection. In order to meet users to achieve automatic operation, the company in addition to the supply of this product, also available separately, including stents, including the cylinder block, helping users to the existing wide range of manual valve to transform part of the cylinder pneumatic actuators manual gate valve installed in large cap, can constitute a pneumatic cylinder - manual dual gate. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Shandong valves, valve Everbright (certified), gate valve is provided by Shandong China Everbright Limited. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) Shandong Weifang, ball leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Everbright valve leadership with the staff warmly welcome all inquiries negotiations to create a better future for China Everbright valve.