1/2" thread holder square

Female valve 1/2" elbow. NT valve and Series 200 (female thread). Adjustment valve for bitubular installation. Direct connection to iron pipe and for copper, plastic, or multilayer pipe using an adapter and the corresponding compression fitting. Model available in elbow and straight 3/8, 1/2, and 3/4". The thread of the fitting incorporates a special gasket that allows direct mounting to the emitter without the need for hemp or Teflon. Valve (solder). Adjustment valve for bitubular installation. Direct soldered connection to copper pipe. Model available in elbow of 3/8 and 1/2 for copper pipes of 10-12, 12-14, 13-15, and 14-16. Union fitting to the radiator is plastic-coated.