FLANGELESS SAFETY VALVE AND PARTIALLY FABRICATED ITEM FOR SAFETY VALVE

摘要

PROBLEM TO BE SOLVED: To provide a flangeless safety valve in which a mold need not be changed even when flange rating is different, and inventory space and cost are considerably reduced, and to provide a partially fabricated item for the safety valve applicable for a special rating.;SOLUTION: A screw hole 2 is directly formed to a flangeless piping mounting part 1a of a safety valve body 1, an one end 3a of a stud bolt 3 for piping is threadedly engaged to the screw hole, the other end 3b of the stud bolt for piping is made to penetrate inside a through hole 4b of a piping mounting member 4, thereafter, a nut 10 is screwed in the other end, whereby the flangeless piping mounting part is mounted to the piping mounting member.;COPYRIGHT: (C)2002,JPO