Professional Industrial Valves Manufacturer

The principle and unique place of throttling the valve

by:Mech     2021-01-27
Q: throttling the principle of the valve and a unique place: throttling principle 1, normally closed status as of valve: disc hard pay on seat tightly closed convex platform, forming a hard tightly closed, trap and embedded in the disc on soft tightly closed and seat face tight pressure, formation of the second tightly closed, double quality tightly closed structure to ensure the valve of zero leakage, because the disc again opened balance hole, make the valve in the closed and open, the disc by smaller utility strength, also make the valve opened and closed with the smaller torque. The valve use fixed number of year long survival. 。 5, throttling of exhaust valve and double effect with throttle valves and throttle with up to ( Tightly closed to zero leakage) Utility throttling area is separated from tightly closed surface, in order to reduce mean flow scouring of tightly closed. 7, tight packing right and use the enclosed experienced V packing structure, without adjustment, features very light open and close. 3, seat tightly closed surface think appropriate and use the taper tightly closed, helpful in dirt on the surface of the valve itself clean attached to tightly closed. 4, equilibrium was installed on the disc of the valve hole, piston tightly closed, to ensure safe operation under the condition of opening/closing all the pressure difference, flexible and convenient open open-close torque is small. 9, this valve at the bottom of the valve set up large drainage hole, indispensable to open, up dirt in the valve completely. 8, the enforcement of this valve can be on-line maintenance, change packing line can take pressure situations and a series of wearing parts. And no direct vent pressure, thus to mitigate the utility. 4, the condition of the whole paper: disc in the whole paper rev, whole in full vent valve, fluid resistance small, in the unfashionable reduced emptying time, increased the valves of the effect. 3, the condition of throttling: disc bottom carbonyl leave the seat, further open, small throttle head form primary throttling, high velocity after slow pressure throttling flow directly to small disc, because the last throttle valve sets the window edge, high pressure media directly scour throttling channel, disc bottom for media to change selling industry eddy current, to ease the media disc directly scour, therefore the seat tightly closed to avoid the medium directly scour Marine valve, at the same time, because the disc tightly closed surface is tapered, can purge dirt and impurities on the surface of the seat tightly closed, try our best to take care of tightly closed surface, therefore extend valve use fixed number of year of survival. 2, the valve twofold tightly closed (see fit and use Hard and soft tightly closed) Make strict sealing dependable, carbide can cover more air scour resistant, resistant to abrasion, twofold tightly closed out can do it in high pressure medium body under the condition of zero leakage. 2, the condition of low pressure: disc bottom left seat tightly closed surface, because the disc face near the bottom edge of the cage open set is bad place, as the disc with Vivian cage inner form one tightly closed. With help tightly closed oil infusion in the packing structure, improves the performance of the valve packing tightly closed. Throttling of valve product structure unique places: 1, this valve is a new type of throttling, ended, emptying the product, the valve right and the use of cage fan legion throttling, have the effect of multistage throttle, throttling effect is apparent, tightly closed good, and protection and convenient to operate. 6, the double effect in type throttle by valve also has the function of multistage throttle, the throttle pressure difference is big, can be suitable for use in high pressure throttling and ending. 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 Industrial Valves, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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