Armstrong model 981 cast steel inverted bucket trap with a 1/2" NPT connection, and in-line horizontal piping configuration for service up to 20 psi. Armstrong 980 Series bucket traps feature a unique free-floating leverage system that multiples the force provided by the bucket to open the valve again system pressure. This trap offers automatic air and CO2 venting, continuous drainage, and water hammer resistance.
Armstrong is a global company, spanning five generations of family ownership, which manufactures and sells intelligent system solutions for steam, air, and hot water applications across dozens of industry categories such as health care, education, industrial manufacturing, and more. Armstrong offers steam trapping and steam tracing equipment, steam system testing and monitoring products, pressure and temperature controls, water temperature controls, water heating products, hot water process controls, heating and cooling coils, strainers, radiator products, air/gas vents, and more. Armstrong is committed to sustaining the needs of future generations by conserving and saving energy and implements this throughout its product line.