Plugs and caps in malleable cast iron for closing off threaded openings in low-pressure pipelines - male plugs for female threads, female caps for pipe ends and nipples. Used to blank spare ports, terminate runs and seal test points in water, air and oil service. Select by thread size and finish; seal tapered threads with PTFE tape or thread sealant.
Cast Iron Plugs and Caps — 22 products available online.