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Weldolet Sockolet Threadolet

Weldolet

Standard

ASTM A234, MSS SP-75, ASTM A403

Run Pipe OD

1/2” to 48”

Branch Pipe OD

1/2'', 3/4'', 1'', 1 1/2'', 2''

Thickness

SCH STD, SCH XS, SCH 160, SCH XXS

Sockolet and Threadolet

Standard

ASTM A105, ASTM A182, ASTM A403

Main Pipe OD

up to 48”

Branch Pipe OD

 1/2'', 3/4'', 1'', 1 1/2'', 2''

Pressure Ratings

3000#, 6000#


Weldolet is the most common of all branch connections, and is welded onto the outlet pipe. The ends are beveled to facilitate this process.

Sockolet have a socket into which a plain end. branch pipe is inserted, then fillet welded together. It is a type of self-reinforced branch fitting.

Threadolet is one type of forged threaded fittings which to screw the connecting pipe or fittings to the branch connection.

 

Advantages:

Weldolet: Compatible with higher pressure and simple connection, cost lower. Thickness in SCH STD, SCH XS, SCH 160 to SCH XXS.

Sockolet: Compatible with higher pressure but cost is higher. Pressure ratings in 3000#, 6000#.

Threadolet: Easy to replace and maintain, cost is higher. Pressure ratings in 3000#, 6000#.