DESIGN DESCRIPTION:
* LIFT TYPE;
* BOLTED COVER;
* OPTIONAL: WELD COVER;
* SPRING LOADED DISC OR PISTON DISC;
* CONNECTRION: THREADED END, SOCKETED END
* THREAD TYPE(NPT, BSPT, DIN SERIAL ENDS)
* MATERIAL:
A105, F304, F316, F11, F22, F304L, F316L