Note:
Flange dimensions to ANSI B16.5.
Dimensions "B" & "D" includes raised face thickness.
Bore (SCH) "C" purchasess to Specity.
Larger outlet sizes are avilable on applications.
ANSI 150# / 300# 2mm Raised Face.
ANSI 600# / 2500# 7mm Raised Face.
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Socket Weld Flanges
Socket welding flange, a popular type of pipe flange, was initially developed for use on small-sized high- pressure piping. The fabrication of this type of flange is similar to that of a slip-on flange. However, the internal pocket of a socket weld flange allows for a smooth bore and better fluid flow. When provided with an internal weld, the static strength of this flange is equal to slip-on flange, but the fatigue strength is 50% greater than double welding slip-on flanges. Smooth bore conditions in such a flange can easily be attained without having to bevel the flange face and, after welding, to re-face the socket weld flange as would be required with slip-on flanges. For this reason, the internally welded flange is popular in chemical process piping. - The counter bore is sightly larger than the Outer Diameter of the matching pipe, allowing the pipe to be inserted. A restriction is built into the bottom of the bore, which acts as a shoulder for the pipe to rest on, and has the same I.D. of matching pipe. The flow is not restricted in any direction.
- Key Features:
- The recess on the inside diameter of the socket weld flange allows for a good fit of the pipe allowing for a smooth flow of liquid.
- Socket welding flanges work well for smaller sizes and higher pressure temperature conditions.
- They are similar to slip-on flanges, but must specify the schedule of the pipe where they will be used for with socket welds.
- Standard facing:
- Raised face, ring - type, flat face, male - female, tongue - groove.welded both inside and out to provide sufficient strength and prevent leakage.They are ideal for low pressure applications.
- Uses of socket weld flanges:
- They are ideal for small diameter applications.
- They are used for high pressure applications.
- Socket weld flanges have an internal recess on the inside diameter which allow for a smoot flow of the process fluid.
- They create a smooth bore with the proper welding and grinding.
- Types of Flanges
- Blind Flange Lap joint flange Orifice flange Reducing flange Slip-on flange Threaded flange Weldneck flange Large-size flange Socket-weld flange Spectacle-blind flange Pipe flange blots Pipe flange gaskets
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