BS4504

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Product Description:

1)BS4504 101  105  103 112  113  111,

2)the material can be S235JR,A105,P250GH,P245GH.

3)the dimension will be from DN15-DN2000

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Q:Flanges of different sizes
Variable diameter flange, also known as Reducing Flange, and its inner diameter and the standard flange diameter, there are some differences.In engineering, when the standard flange can not match the fittings and pipes, the reducing flange is used.China's national standards flange standard (GB) and chemical industry standard (HG) two categories, the new chemical industry standard HG/T20592 ~ 206352009 flange is used to the EN as the representative of the European standard pipe flanges (nominal pressure expressed by PN) and the United States as the representative of the American ASME system (nominal pipe flange the pressure expressed by Class), between them the nominal size of the feature size is different; moreover, our country pipeline diameter series is also divided and metric Inch series series, there are differences in the nominal size; in addition, when there are special requirements, such as flange instrument joints, when the glass lined the characteristics of some special requirements (give it a separate "glass lining of different diameter flange" HG/T2140-2009 standard). Therefore, the inevitable mixing in the project, the use of reducing the flange diameter of the method is the simplest and most effective solution, thus the emergence of non-standard variable flange.
Q:In the heat exchanger calculation, the actual bolt section area of the cylinder flange is smaller than the required cross-sectional area. What's the matter?
Bolt strength shortage, improvement method:1, check the matching of bolts and gaskets... Do not use low strength bolts with metal gaskets or gaskets.. Unreasonable。
Q:Mechanical flange problems,
The 6 holes of M12 are evenly distributed on one flange, the drilling depth of the screw hole is 24mm, and the depth of the wire tapping is 23mm.
Q:How many bolt holes and how big bolts are there in all sizes of 16 kg flanges?
You said this decision can be empty and bolt by bolt much, because the flange 16 kilograms he represents not only much, such as to the decision of the 59 flange bolts and how much air is generally 59 bolts, flange 4 bolt space using 14 bolts, 59. All 4 bolts empty more than 59 is still some 4 empty, there is 8 according to the size of the flange bolt empty it is not the same, and the use of bolts are based on flange to determine the size of the bolt can also use a smaller, bolt general equipment use 4.8 hardness the special equipment used is 8.8 bolt hardness, 16 pound flange generally use 4.8 hardness
Q:Magic Baby, where is the entrance to the North Garden of flange city?
Find the coordinates of the flowers you want, then collect them.
Q:Do I need flanges for rubber joints?
Rubber soft fittings can not be used without flanges. There are two carbon steel flanges at both ends of the product,Some customers also need counter flanges. In this case, 4 flanges are required for a productGongyi Kin Kun water supply equipment factory produces rubber soft joints all year round
Q:About flange 5
Should mark "DN", is the nominal diameter of the code.Is the nominal diameter size after the roundness of the numerical repair to the mantissa, in order to simplify the mark.Germany, China ISO, nominal diameter are DN.
Q:CF, ICF, is the flange the same?
The ICF flange (ConFlat Flange) has a raised sharp edge inside it. It is made of all metal sealing parts by squeezing the copper gasket to deform it to achieve the purpose of sealing vacuum. Widely used in ultra high vacuum field equipment.
Q:What are the advantages of a flanged plunger valve?
The structure characteristics of the plunger valve is composed of a stainless steel plunger, two elastic sealing ring and a metal frame, the sealing effect by the plunger and the seal ring is closely fitted to the plunger, inserted in the two sealing ring, the sealing area is far greater than the ordinary valve; switch plunger valve, the piston moves slowly in the the sealing ring, the contact surface is almost not wear off, the plunger is inserted into the lower sealing ring, truncated channel; open, although from the plunger seal, but still hiding in the ring, remain isolated from the outside, not to leak.The sealing ring is a science and technology product. It is the key component of the plunger valve. It consists of polytetrafluoroethylene, graphite and high elastic rubber. It can provide good sealing performance after millions of times of reciprocating movement test. Meanwhile, the valve has small opening moment, large sealing area, wide application medium, high temperature adaptability, reliable sealing, long service life, convenient maintenance and the like. Widely used in petroleum, chemical, power, pharmaceutical, food, textile, printing and dyeing, boilers, machinery and other industries.
Q:Can you have a more general idea?
Is the distance from the lens mount flange from to the photosensitive element between the interchangeable lens camera. In the design at the beginning of the fixed bayonet flange from each lens, for later design can be achieved after installation to bayonet infinity focus.

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