Mac-Weld Machining has redefined precision engineering through a legacy of excellence. As a North American leader in thermowells and instrumentation hardware, Mac-Weld specializes in delivering cutting-edge machining solutions that consistently push the boundaries of innovation while upholding the highest quality standards. Mac-Weld products are trusted by a global clientele from various sectors.

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Product Overview

Manifolds & Valves

Manifold Valves
  • Flange x Flange Manifolds
  • Low Profile Instrument Manifolds
Double Block and Bleed
Needle Valves

Accessory Products

Orifice Plates
Bleed & Flush Rings



MacWeld Manifold Valves Catalog