Weld Neck Flange carbon steel ASME B16.5
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Specification
A weld neck flange (also known as a high-hub flange and tapered hub flange
) is a type of flange. Weld Neck Flange is easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting.
There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant. A weld neck flange consists of a circular fitting with a protruding rim around the circumference. Generally machined from a forging, these flanges are typically butt welded to a pipe. The rim has a series of drilled holes that permit the flange to be affixed to another flange with bolts.
Such flanges are suitable for use in hostile environments that have extremes of temperature, pressure or other sources of stress. The resilience of this type of flange is achieved by sharing the environmental stress with the pipe with which it is welded. This type of flange has been used successfully at pressures up to 5,000 psi.
These flanges are bored to match the inside diameter of the mating pipe or fitting so there will be no restriction of product flow. This prevents turbulence at the joint and reduces erosion. They also provide excellent stress distribution through the tapered hub and are easily radio-graphed for flaw detection.
Weld neck flange will be welded to a pipe or fitting with a single full penetration, V weld (Butt-weld).
Flange Type | Welding Neck flange, Slip-On; Socket Welding, Blind, Thread, Lap-joint; Long Welding Neck; Orifice; All flanges in Raised Face, Flat face and RTJ; |
Material | ASTM A105; A350 LF2; A694 F42, F46, F52, F56, |
Size | 1/2”~60”, as the clients’ requests; |
Pressure | Class: 150 300 400 600 900 1500 2500; PN6,PN10,PN16,PN25,PN40;5K,10K,16K,20K,30K |
Standard | ASME B16.5, ASME B16.47, MSS SP43, EN1092，DIN, JIS; |
- Q: What's the flange size?
- Gaskets for gaskets between flanges.Brushless DC servo motor, such as round flange, size refers to the diameter; such as square flange size refers to the length of the side;The bolts of the four internal fixed motors on the flange have been fixed, and the other four holes have not been fixed themselves. They are ready to fix the motor on the frame. The square with holes is the flange
- Q: How to calculate the flange quote formula?
- Well, I come with you to analyze the existing problems of the calculation formula, this formula is not actually a few written, there are certain to me now to analysis:The first formula is as long as the steel industry in the people to see that, this algorithm is certainly a problem, the problem in 0.616, 10 mm per metre weighs 0.616 kg, and (diameter * outer diameter - diameter - * * * aperture aperture hole number) * actual volume = flange thickness. The latter 0.00001 CM is the calculation of the results into g. such a calculation method, I temporarily ignore how he results, first of all, there is a theoretical error, ask the volume of *0.616= weight?The theory cost and actual operation cost cost, the general foreign trade company own calculated price bargain with us, so the price is called the theory of price, and we are holding the actual cost of operation between manufacturers, often makes us uncomfortable is the theory cost and actual cost gap.Let's analyze some of the most widely used formulas for calculating flange weight on the web:(outer diameter * outer diameter * inner diameter * bore bore diameter * hole diameter * hole number * thickness *0.616*0.0001 unit cmExternal diameter * outer diameter * inner diameter * bore bore diameter * bore bore * thickness *7.93*0.0001 unit cmOutside diameter * outside diameter *1234*, thickness inner diameter * inner diameter *1234*, thickness *0.00001
- Q: Flange, flange, blind plate, the name of such a table, what exactly contains what I do not understand.
- It includes flange plate, clamp, gasket, connecting bolt, nut and joint.
- Q: SB 1379-NP15 which flange standard is the flange diameter, pitch, thickness, screw hole number and diameter?
- 2, international pipe flange standards of several systems1) European flange system: German DIN (including the Soviet Union), British standard BS, standard NF, Italian standard UNIA, nominal pressure: 0.1, 0.25, 0.6, 1, 1.6, 2.5, 4, 6.4, 10,, 16, 25,, 32, 40B, probable path: 15~4000mm (maximum diameter change and selected flange specifications and different flange pressure rating surface)C structure: flat plate, flange, welding ring sleeve type, crimping sleeve type, welding crimping sleeve type, welding ring sleeve type, welded, threaded neck, and integral flange coverD, flange sealing surface: flat surface, concave surface, concave convex surface, mortise and tenon surface, rubber ring joint surface, lens surface and diaphragm welding surfaceE, the Soviet Union in the 1980 release of OCT with standard pipe flanges recorded similar to the German DIN standard, no traces2) American flange system: American ANSI B16.5, steel pipe flanges and flange fittings, ANSI B16.47A/B, big diameter steel flanges, B16.36 orifice flanges, B16.48 characters, flanges, etc..
- Q: Which flange is the front pipe case flange and the cylinder flange?
- The front pipe case flange is the tube part, which is connected with the tube plate.A cylinder flange is a flange that is connected with a shell on the shell side, and no flange is used on the ordinary heat exchanger.
- Q: How much is a bottle of Ma Falan produced in Switzerland?
- Melphalan not produced in Switzerland, is a British GlaxoSmithKline Co (GlaxoSmithKline), referred to as GSK production, currently in the Hongkong market sales from Germany, Turkey India Taiwan (wake tumor) prices are more than HK $1000
- Q: Our factory production of wind tower is to use forged flange (and specification is written in the continuous casting slab is not allowed), incoming raw materials warranty flange is written in continuous delivery, that is not the flange casting forging? Are you in a hurry to accept the goods?! I have less money, thanks in spirit, please knowledgeable people teach in, with little to say, it is best to have some basis for what? Thanks a million!
- Forged flanges and cast flanges use different levels of stress, and forged flanges can be used in high and low pressure pipelines,Casting flanges can only be used for non pressure lines, otherwise leakage is very easy.Hebei bend flange, my name is Liu Jiangong.Flange production using continuous casting does not mean that the flange is casting, can only say that raw materials are not up to standard. Let's pay for the goods. High pressure pipe, as far as possible the use of round steel material.
- Q: Now in chemical, flange pn2.
- Nominal pressure PN (=2.5MPa):Reference value relating to the pressure resistance of piping system componentsWorking pressure is the maximum continuous running pressure acting on the inner wall of a pipe under normal working conditions.
- Q: RJ what flange is the sealing surface?
- RJ is the flange ring connection surface.Flange sealing surface type:Full plane FFProjection RFConvex MConcave FTenon face TGroove surface GRing joint surface RJGeneral concave convex MFTongue and groove face TG
- Q: PROE flat sheet metal design whole wall and the flange wall what is the difference?
- Very simple. The flat wall is the front face, and the flange wall is the side.Is not to say that the sheet metal is a relatively thick iron sheet, can be divided into surface and thickness, smooth surface from the surface is positive to see the past, is Affirmative or trapezoidal, and flange wall is in the thickness direction, is folded into a L shape or Z shape.
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Weld Neck Flange carbon steel ASME B16.5
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 pc
- Supply Capability:
- 5000 pc/month
OKorder Service Pledge
OKorder Financial Service
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