Unions are available with line pipe or tubing threads, butt-weld, or nonpressure-thread seal end connections. Weco wing union seals vary according to pressure and application. All wing unions provide positive, pressure-tight sealing.

TechnipFMC Weco® 3” 1505 Wing Unions or Hammer Unions, are pipe and fitting connectors that have been in use since the early 1930s. The primary components are a male sub with a spherical contact surface, a female sub with external ACME threads, and a wing nut with internal ACME threads to hold the components together.

Chiksan® and Weco® products to the revolutionary equipment designs and integrated services of today, TechnipFMC’s flowline family of products and services enables customers to achieve maximum life and value from their flowline systems through a range of applications.

FMC offers the most complete line of standard service and sour gas wing unions with sizes ranging from 1- to 12-inches in diameter with working pressures up to 20,000 psi. Unions are available with line pipe or tubing threads, butt-weld, or nonpressure-thread seal end connections. Weco wing union seals vary according to pressure and application.

Arm-Tex is a proud distributor of Weco® wing unions that were the original hammer or wing union providing quick make up of pipe sections for tight seals.

Wing unions are also often referred to as hammer unions, hammer lug unions or Weco® dependent upon the customer or manufacturer. Whatever name is used, they are the most common quick connection method for joining piping components together in a temporary system.

Hammer Unions, Weco Unions - 175. Hammer Unions are designed as heavy duty, high pressure flow line connectors. They are commonly found in chemical plants, on marine dredging vessels, in strip mines and in the oil industry (depending on model, for sand slurry, oil, water, steam, etc).

Weco wing unions are the most complete line of standard and sour-gas service pipe connectors in the world. Available in 1 to 12-inch nominal pipe sizes with cold working pressures up to 20,000

The hammer lug union, also known as a "WECO" coupling, hammer lug union or hammer lug adaptor, is used for quick connecting flexibles and pipelines. Available in a variety of options, including threaded API line pipe, butt weld and sour gas service.

Weco® wing unions are the most complete line of standard and sour gas service pipe connectors in the world. Available in 1 to 12-inch nominal pipe sizes with cold working pressures up to 20,000 psi, Weco® wing