... T21635,DL/T695,SY/T0510, DIN2617Pipe cap: A type of pipe fitting, usually liquid or gas tight, which covers the ... to provide for a future connection point, several inches of pipe must be left before the cap. This is because ... cap is cut off for the future connection, enough pipe must remain to allow a new fitting to be glued ... square, rectangular, U-shaped, I-shaped and have a round hand grip or a flat ...