3, open-close torque improvement: stem do not directly connect with the handwheel, but after the stem nut between adjacent department and transmission torque, lowered Marine valve stem, the handwheel is not up and down, and then only for in situ rotating, stress points in the rotation of the stem nut and stem, will not cause stem buckling deformation; And when the hand wheel up and down the stem nut with washer, make the operation become very easy. 4, packing tightly closed improvement: valve open/close the valve stem guide positioning, ensure the valve stem axis aspirant litre drop tightly closed, packing sees fit and use PPL there are wear-resistant alloy on both ends of the high temperature tightly closed ring gaskets, impurity into the inside packing influence tightly closed. Q: rising stem type plunger explained by the valve structure and unique place: a: 1, style improvement: appearance sees fit and use the drum-shaped, modelling beautiful generous, port is open. 2, tightly closed material improvements: see fit and use new materials demand growth resistance to corrosion and high temperature. 。 Common use fixed number of year four times longer than the valve of survival. 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 Industrial Valves, gate valve, globe valve, check Industrial Valves, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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