9. According to the reverse is down the order will change the zero combination device installed after the main valve, pay attention to the valve which permits jam phenomenon. 4. Take the cover and spring. Q: hydrodynamic stem check valve repair: a: hydrodynamic stem valve is a kind of water is used since embellish body, no other oil lubricating oil, in case of the main valve in the zero parts damaged, please follow the below list ordering disassembly. 7. If found diaphragm or ring has destroyed, please loose the nut on the axis core, get to decompose the diaphragm or circle, after extracting anew with a new diaphragm or ring. 5. To get off axis core, diaphragm, piston, do not damage the diaphragm. 8. Carefully examines the main valve seat, shaft core inner whether have damage, if there are other debris inside the main valve to sort out it outright. 6. After the above items to extract, seizing type, diaphragm and a. circle is destroyed; Marine valves, such as shape do not bad points to contend for its inner parts. 2. The piping on the main valve cover joint screw loosening, internal pressure release valve. ( Note: the average consume loss elimination in the valve products for diaphragm and ring, other inner parts damaged little) 1. The main Industrial Valves before and after the first side gate valve closed. 3. Will take off, all the screw cover stem line indispensable in the brass nut. 。 Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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