The H-J Family of Companies maintains a large inventory of Drain Valves and Accessories and can provide a variety of custom-manufactured valves for transformer & switchgear applications. Valves can be ordered with "custom" installed pipe plugs, nipples, and flanges. 

In addition, H-J can furnish various pre-applied thread sealers and thread lockers on the valves, plugs, and nipples. Among these products are Vibra-Seal 516 from Loctite Corporation, SAF-T-LOK S90 from SAF-T-LOK Chemical Corporation, and others.