I have a national standard and enterprise produce of diaphragm valve mainly British standard, according to its driving form can be divided into manual, electric and pneumatic three, the pneumatic is divided into inside often open, Ventilation is off) , often closed ( Ventilation opening) And reciprocating type 3 kinds. Diaphragm valve open-close part is a special style of made of soft rubber diaphragm, the diaphragm cavity within the body cavity with the valve cover and valve actuation device is separated, because the name is called diaphragm valve. Because the diaphragm in the use of easy damage, so should change regularly. Fluorine-butterfly diaphragm valve normal for four fluorine materials to make diaphragm, excellent anticorrosion performance. 3, the diaphragm valve according to the commonly used forms can be divided into: weir, once-through, cut-through, three general formula, 90 degree Angle type several; Star ou valve diaphragm valve produced by way of a petition ordinary sees fit and use flange signatures and turnbuckle petition, and to the flange signatures in the majority. 。 4. Diaphragm valve common used in temperature is not higher than 60 degrees and organic solvent and strong oxygen medium pipeline, the common use of pressure points 0. Two grade 6 mpa and 1 mpa, such as high pressure, uncomfortable or choose diaphragm valve. Diaphragm valve diaphragm is the main unique place of the lower part of the body inner cavity and the upper cover lumen Marine valve open, so can let located above the diaphragm of the stem and disc parts from corrosion medium, such as eliminating the packing tightly closed structure, initiation medium leakage, and do not have the following a few extra unique places: 1, the common diaphragm valve is divided into line with rubber diaphragm valve and fluorine-butterfly diaphragm valve, rubber diaphragm valve ordinary sees fit and use a soft rubber as diaphragm, such as commonly used with nitrile butadiene intersection, three yuan, such as 3-20 its tight sealing ability is better. More than 2, because the diaphragm valve diaphragm made of soft rubber, so getting limit diaphragm valve only at low pressure and temperature is not tall under the conditions of use. Q: the use of diaphragm valve and explain know answer: the diaphragm valve is a kind of special valve has cut off the effectiveness, according to the account, the diaphragm valve used in 20 years or so in 2000 at the earliest. 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 Industrial Valves, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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