Capabilities

All sizes up to 4” diameter are of our typical manufacture.

Larger sizes may be available upon customer request.

These parts can be made to fit any design and size allowed for in B16.11. Additional sizes can be manufactured to customer design specification.

Material

Parts can be manufactured out of material conforming to ASTM specifications A105, A182, A193, A234 WPB, A403, A434, A479, A516, B564,  F91 or any of their ASME equivalents.

Piping components can be made to customer material specifications and out of most carbon, stainless, or alloy steels as required.

B16.11 coupling

Couplings

B16.11 Full Couplings

B16.11 Half Couplings

B16.11 Caps - threaded and butt-weld

Caps

B16.11 Socket Weld Caps

B16.11 Threaded Caps

B16.11 Plugs - Square head, hex head, round

Plugs

B16.11 Square Head Plugs

B16.11 Hex Head Plugs

B16.11 Round Plugs

B16.11 hex bushings and flush bushings

Bushings

B16.11 Hex Bushings

B16.11 Flush Bushings

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“Great company and super people. Been doing business with Colonial Machine for over 40 years. Very knowledgeable.”

“Overall the customer service is very good.”

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“I have been working with Colonial Machine for the past 13 years and they are a very knowledgeable machine shop that can produce quality parts.”

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“Customer service responds promptly and very courteous to work with.”

Industrial Piping Components for the Nuclear Power and High-Pressure Piping Industries