Title:
GATE VALVE
Document Type and Number:
Japanese Patent JPS61252972
Kind Code:
A
Abstract:
A gate valve includes a body (12) with a valve chamber (18) therein. An inlet passage (28) extends through the body (12) into the valve chamber (18), and an outlet passage (32) extends through the body (12) into the valve chamber (18). A gate (16) is positioned within the chamber and has an opening therethrough. A body sealing surface (36) surrounds the openings of each of the inlet and outlet passages within the passages within the chamber. A seat ring (42, 44) is positioned between the gate (16) and each of the body sealing surfaces (36, 40), and means (46) are provided for urging the seat rings (42, 44) against their body sealing surfaces (36,40). The valve includes resilient seals (104, 106) between each seat ring and its body sealing surface. The means urging the seat rings (42, 44) against their body sealing surfaces (36, 40) in one form includes wedges (88) positioned at the side of the gate engaged between the two seat rings.
Inventors:
TEIRAA ERU JIYOONZU
POORU DEII BANCHI
RATSUSERU II SUTEIIBUNSU
POORU DEII BANCHI
RATSUSERU II SUTEIIBUNSU
Application Number:
JP4013186A
Publication Date:
November 10, 1986
Filing Date:
February 25, 1986
Export Citation:
Assignee:
CAMERON IRON WORKS INC
International Classes:
F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K25/00; (IPC1-7): F16K3/02
Domestic Patent References:
| JPS523730A | 1977-01-12 | |||
| JPS5016918A | 1975-02-22 |
Attorney, Agent or Firm:
Kyozo Yuasa