A versatile design for flow control, offering a wide range of options to meet various needs and applications.
Restriction orifice unions feature a single-piece metal orifice plate that fits directly into the union seat, eliminating the need for a gasket. Commonly used in fire pump systems, these unions can handle higher pressure levels while maintaining a compact pipe size. This design also makes them ideal for small bore applications, offering both durability and efficiency in a smaller footprint.
Unions are available in A105 carbon steel or 316 stainless steel, along with other materials
Available in pipe sizes ranging from 1/8” – 2”
Available with pressure ratings of 3000 and 6000 psig.
Threaded and socket-weld connections available
Material Options: A105 carbon steel or 316 stainless steel
Industries: Any industry that requires flow restriction, including coolants, gases, steam and water.
American Thermowell Orifice Plates and More Catalogue
Available in a variety of styles, sizes and materials, see our catalogue for more details.