Coupling, Malleable Iron, Class Class 150, For Pipe Schedule 40, 3 in, Female, NPT, 3 in, Female, NPT, 300 psi @ 150 Degrees F Maximum Operating Pressure

This 3" FNPT malleable iron coupling is designed for use with Class 150 fittings. It meets UL and FM standards and is approved by ASME B16.3. The coupling has a maximum pressure rating of 300 psi at 150 degrees F and a saturated steam pressure rating of 150 psi at 350 degrees F. It is made of malleable iron and suitable for temperatures between -20 degrees to 350 degrees F.