These couplings are extensively used on fire sprinkler and hydrant systems installed on commercial buildings and in factories, warehouses and other areas where water outlets are required.
Used for hot and potable water transfer but not hydrocarbons such as petroleum, kerosene and diesel.
The heavy duty ribbed construction allows controlled angular, linear and rotational movement at the joint and accommodates vibration, expansion and contraction associated with piping installations at higher working pressures.