Welder welder
Pipe Fittings and Flanges
BLUE Fabrication works within all pipe specifications and guidelines. Our pipe, fittings and flanges guide provides a quick reference to information on most sizes, walls and weights. You can also find specifics on allowable pipe spans and weldolet dimension. Click on the following links for charts and information.

Tables and Specs:
Pipe Table 1/8" - 6"
Pipe Table 8" - 16"
Pipe Table 18" - 26"
Pipe Table 30" - 42"
Allowable Pipe Spans
Elbows Inches
Elbows Metric
Reducing Tees Inches
Reducing Tees Metric
150# Flanges
300# Flanges
400# Flanges
600# Flanges
900# Flanges
1500# Flanges
150# & 300# Flange Weights
400# & 600# Flange Weights
900# & 1500# Flange Weights
2500# Flange Weights
Screwed Fittings

Elbow - A pipe fitting installed between two lengths of pipe or tube allowing a change of direction, usually 90° or 45°. When the two ends differ in size, it is called a reducing or reducer elbow.
Flanges - A flange is a ring or collar, usually provided with holes for bolts, and screwed or welded over the end of a tube or pipe to permit other objects to be attached to it. The flange faces are made to standardized dimensions and are typically "flat face", "raised face", "tongue and groove", or "ring joint" styles, although other obscure styles are possible. Flange designs are available as "welding neck", "slip-on", "boss", "lap joint", "socket weld", "threaded", and also "blind".
Tees - A "T" used to either combine or split a fluid flow. Most common are tees with the same inlet and outlet sizes, but 'reducing' tees are available as well.
Weldolet - Weldolet is basically a self reinforced fitting and is used for Butt weld branch connections where a standard tee is not available due to size restrictions and the piping is of critical/high pressure service.
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