Title:
FLANGELESS SAFETY VALVE AND PARTIALLY FABRICATED ITEM FOR SAFETY VALVE
Document Type and Number:
Japanese Patent JP2002235862
Kind Code:
A
Abstract:
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.
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.
Inventors:
MIYAZAKI HARUHIKO
Application Number:
JP2001035277A
Publication Date:
August 23, 2002
Filing Date:
February 13, 2001
Export Citation:
Assignee:
MIHANA SEISAKUSHO KK
International Classes:
F16K27/02; F16K17/04; (IPC1-7): F16K17/04; F16K27/02
Domestic Patent References:
| JPH09511816A | 1997-11-25 | |||
| JPH02140079U | 1990-11-22 | |||
| JPS443436Y1 | 1969-02-07 |
Attorney, Agent or Firm:
Aoyama Ryo (2 outside people)