When the pressure requirement, can add a hydraulic controlled check valve in oil, using cone valve closed its tightness, oil pressure for a long time. 2, reverse flow, the export of hydraulic controlled check valve back into the tank, please choose a figure, 'inner drainage' type, when the export of hydraulic controlled check valve has a back pressure, please choose figure 'external drainage' type b. When the preset hydraulic circuits, sometimes hydraulic controlled check valve can be combined into the reversing valve is used. Two cavity of the hydraulic cylinder work office plane or on the surface of the object size difference is very big. Q: hydraulic controlled check valve is what type? Answer: special properties: 1, the hydraulic control one-way valve except when pressure exceeds open pressure spring set, allowed to flow freely through outside, still can use stem oil closed in the export side of the open valve core, make the oil flow can reverse flow. In the vertical hydraulic cylinder, because of the slide valve and tube leaking, under the gravity of the piston and piston rod, possible actuating piston and piston rod. Note: 1, pipe and plate does mark for CPD straight-pilot, CP is standard. Slide valve type directional control valve has a gap leakage phenomenon, can rapidly between the holding. ( 4) Large flow discharge of oil. Hydraulic controlled check valve as a filling valve is applied, to complete the function of fill oil. Demand, points out that stem pressure oil oil outlet when not in office, should make it back to the fuel tank, or stem piston is difficult to reset, one-way valve can't reverse the flow. 。 ( 5) As a filling Industrial Valves. Fluid control one-way valve application: ( 1) To maintain the pressure. 3, flange type CP does F - October 16th. When reversing valve in the median, two hydraulic controlled check valve closed, closed two cavity of the hydraulic cylinder oil, when the piston can not initiation mobile due to external utility. For example, use two hydraulic controlled check valve and a check valve in parallel ( Check valve) of Three, the equivalent of a three-way reversing valve of commutation circuit. To connect hydraulic controlled check valve in the hydraulic cylinder of the inferior vena oil, can avoid the hydraulic cylinder piston and slider activities such as local decline. 2, processing fine, fine pressure maintaining performance remarkably. ( 6) Directional control valve. 3, can be applied for small-scale charging valve. Vertical hydraulic cylinder of the piston in the process of high speed decreased, because of the high pressure oil, and the effect of gravity, so that decreased rapidly-changing, initiation suck air and negative pressure, be sure to add oil compensating device. When the piston back, hydraulic cylinder cavity oil discharge quantity increases suddenly, right at this time and use small flow valve, if thought fit to initiation of throttling utility, limit the piston return rate; If adding hydraulic controlled check valve in the hydraulic cylinder piston return, curb the open hydraulic controlled check valve, pressure oil can not meet difficulty in the cavity oil discharge right. ( 2) 'Support' of the hydraulic cylinder. Marine valve 4, are widely used in the vertical injection molding machine, press machine, etc. ( 3) A successful implementation hydraulic cylinder lock. 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 Industrial Valves 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 Industrial Valves, hydraulic control valve and other kinds of valves.
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