The lack of oxygen gas by the end of valve as follows: 1, the fluid resistance is big, opening and closing force required; 2, uncomfortable to use with larger particles, viscosity, easy to coke's media; 3, poor regulation performance. 。 Oxygen gas by the end of valve products as follows: (unique place 1) With simple structure than gate valves, and maintenance is convenient; ( 2) Tightly closed surface abrasion and wear, tightly closed, open/close the disc with no relative sliding between the body tightly closed surface, so wear and scratches are not serious, tightly sealed performance is good, use fixed number of year long survive; ( 3) Opening and closing, the valve stroke is small, so the valve height is smaller than gate valves, but the structure length is longer than gate valves; ( 4) Open-close torque, opening and closing is laborious, opening and closing time of the principal; ( 5) Fluid resistance is big, because the body media channel is Wei Bei, fluid resistance, power consumption; ( 6) Medium flow direction nominal pressure PN 16 mpa, or less common right and use downstream, medium progresses from the disc below flow; Nominal pressure PN acuity 20 mpa, common right and use back, medium direction downstream from the disc. In order to increase tightly closed a can. Oxygen gas cut Marine valve check valve has the following advantages: 1, simple structure, production and maintenance more convenient; 2, small office tour, opening and closing time is short; 3, tightly closed, tightly closed between friction force is small, the survival of the fixed number of year is longer than the other. When the medium of oxygen gas by 6 below the valve disc in the valve, operating force needed to overcome resistance, is stem and packing friction with the initiation of thrust by medium pressure, close the valve force stronger than open the valve, so it's bigger, the diameter of the stem or stem top bending failure happens. Q: oxygen gas by the end of valve product unique local optimal lack a: oxygen gas force tightly closed valve by Industrial Valves belonging, so the Industrial Valves is closed, it is important to increase on the disc pressure force, to force the tightly closed surface is not leaking. When use, by the media can only single direction valve, can not change flow direction; ( 7) The whole paper when the disc is often affected by erosion. 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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