Flange Plate Connection

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FAQ

What's the flange cover BL20-100FM?
BL is built by 20 DN 100 is referred to as the flange pressure is the pressure of 100 kg PN10.0MPA FM is referred to as the sealing surface is concave and convex with
Why is there only one gasket between the two flanges?
Plus two, there's a gap. The phenomenon of leakage is easy to produce. Flange is a sealed pipe fittings. Having rubber, asbestos, or metal.
The difference between flange and flange B
1, the difference is that the pressure range, temperature range, medium toxicity range, optional gaskets are also different;2, welded flange, welded flange flange ring only, usually made of steel, forging and rolling can be used when necessary. In connection, it is directly welded with the cylinder or head. The whole flange ring and the cylinder head or connection, small stiffness and joint strength of welded flange, it applies only to a relatively low temperature and pressure. In the current industry, welded flange has 4 pressure levels (PN0.25, 0.6, 1, 1.6MPa), the scope of the nominal diameter is smaller (DN3002000mm), the working temperature range of 300 from-20 DEG C.Hepatitis B: the difference between flange flange to flange welded flange is the main ring with a short. Flange rings are usually made of steel plates or made of forgings. In connection with the short tube or head butt welding, the flange type B good integrity, its strength and stiffness than the welded flange. In the current industry, the pressure range of B flange is large, there are a total of 6 pressure levels (PN0.25, 0.6, 1, 1.6, 2.5, 4.0MPa). The nominal diameter scope is: DN3003000mm, suitable temperature: from-20 DEG C - 350.
What's the meaning of duct flange specification L20*4?
Angle steel classification and specifications: mainly divided into equilateral angle steel and unequal angle steel two categories, in which unequal angle steel can be divided into non equilateral, thick and unequal, unequal thickness of two kinds. The specification is expressed by length and angle of edge thickness size. At present, the domestic angle specifications for 2 - 20 cm, to length number number, the same horn steel often have 2 - 7 different edge thickness. Imported steel angles indicate the actual sizes and edges of both sides and indicate the relevant standards. Generally, the length of 12.5cm is larger than that of angle steel, and between 12.5cm and 5cm is medium angle steel. The angle of 5cm is smaller than that of angle steel. Inlet and outlet angle steel orders to use commonly required in the specification, the steel is carbon steel steel corresponding. That is, angles, apart from specification numbers, do not have specific components and performance sets. The delivery length of angle iron is divided into two kinds: the length and the ruler, and the length of the fixed angle of the made angle iron is four to 3, 9m, 4 - 12M, 4 - 19m and 6 - 19m. The length of Japanese steel angle is chosen from 6 to 15m.Wind pipe flange specification L20*4 is equal angle steel 20x20x4 flangeThe habit of writing equal angles is L*X*, L20*4 is 20x20x4 equal angles, and 4 is the thickness of the angle flanges,See the GB/T9787 angle standard
How many holes are there in the DN1200 flange?
2.5KG32 6KG is 32 10KG32.I'm familiar with your name. Are you from Wenzhou?. I know Sean Shao Xiaomin. I don't know what it's like to be with you.
Must the flange height go along with the standard?
This is certain, everyone valve is standard, and if you flange is not standard, how to bolt holes on the valve ah?
CAXA2011 machine version, the big flange bolt hole evenly distributed, how to give the centerline?
Draw the main body first, then confirm the center line of the bolt, draw the inner hole, draw the height, and distribute the cloth evenly
Flange blind plate production and installation should be fixed what quota ah?
Use installation quota sixth book "process piping installation project", the implementation of flange installation project, apply to "sub -" as a unit of the quota, and then multiplied by factor 0.61.