Esfour Engineering Works manufactures Caps Welded Fittings. The Caps Welded Fittings are used like a plug, except that the pipe cap screws on the male thread of a pipe or nipple. These fittings are used to provide for a future connection point, it must be left several inches of pipe before the cap [as when the cap is cut off for the future connection, there will need to be enough pipe present to glue a new fitting onto].
Esfour Engineering Works is supplying pipe & pipe fittings, elbow pipe fittings, tee pipe fittings, reducers, caps welded fittings, etc. A pipe cap is a fitting with a female [inside] thread. The Caps Welded Fittings are available in a wide range of sizes, caps can be made from Aluminum, Delrin, Ethyl Vinyl Acetate Monel, Nylon, Polyetheretherketon [PEEK],Polyethylene [PE], Polypropylene [PP], Silicrub Styrene Butadiene, Steel Stainless steel etc. The industrial caps can be round; square; rectangular; "U" shaped; "I" shaped and has Round Hand Grip or Flat Hand Grip.
Different types of Caps Welded Fittings are: