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Thermowells

Our thermowells are manufactured to accept standard
or custom made thermometers, thermocouples, bulbs and RTDs.

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Flush Rings/Bleed Rings

The Flush Ring is a unique integral adaptor that allows you to have two different ANSI flange sizes/rating on either side, being approximately 2” thick it also allows you to tap at the top & bottom.

Bleed Rings

The Bleed Ring being a simple spacer that allows for drainage or sampling comes 1-1/2" thick with one 1/2” NPT outlet or 2” thick with an Instrument Valve.

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Orifice Plates

Precision bored from one piece. Mac-Weld orifice plates are primary element differential products for rate of flow measurement. Orifice plates are also used as a flow restriction device replacing valves to reduce or control flow.

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Gauge Siphons

Our gauge siphon is a cost effective way to maximize gauge life. It is made from solid bar to produce a rigid mount and easy installation. This device can act as a thermal barrier or reduce gauge shock.

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Seal Pot

Mac-Weld seal pots are used to provide a constant liquid head on each side of a flow meter involving steam or other condensable vapours. They also isolate the instrument from the process with a sealing liquid.

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Level Chamber

Mac-Weld Machining's range of high quality chambers which allow external mounting of Radar level measurement on process vessels.

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Specialty Machining and Welding

Made to order custom parts and fittings. Certified welding procedures for numerous exotic metals and specialized work.

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Our products are used world wide and find themselves in environments where intense pressure and high temperatures are the norm, making it extremely important that the correctly specified code materials are used and manufactured using processes and procedures to ensure these products are all to the highest standards and quality.