GB2066907B - Methods of and arrangements for plugging threaded bores in flanges of reactor pressure vessels - Google Patents

Methods of and arrangements for plugging threaded bores in flanges of reactor pressure vessels

Info

Publication number
GB2066907B
GB2066907B GB8038244A GB8038244A GB2066907B GB 2066907 B GB2066907 B GB 2066907B GB 8038244 A GB8038244 A GB 8038244A GB 8038244 A GB8038244 A GB 8038244A GB 2066907 B GB2066907 B GB 2066907B
Authority
GB
United Kingdom
Prior art keywords
reactor pressure
tool
flanges
arrangements
methods
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8038244A
Other versions
GB2066907A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Reaktor GmbH
Original Assignee
Babcock Brown Boveri Reaktor GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Babcock Brown Boveri Reaktor GmbH filed Critical Babcock Brown Boveri Reaktor GmbH
Publication of GB2066907A publication Critical patent/GB2066907A/en
Application granted granted Critical
Publication of GB2066907B publication Critical patent/GB2066907B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0028—Tools for removing or installing seals
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C13/00—Pressure vessels; Containment vessels; Containment in general
    • G21C13/02—Details
    • G21C13/028—Seals, e.g. for pressure vessels or containment vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A threaded bore in a flange (4) of a reactor pressure vessel (1) can be plugged or sealed by means of a sealing or plugging element (6) and a tool (8) with the reactor pressure vessel cover (2) in place. In order to obtain a tight seal, the plugging element (6) is joined in a detachable manner to the tool (8) and has a shoulder (11) thereof set down on the upper face (4a) of the flange (4). An O-ring (15) borne by the plugging element (6) is compressed between two relatively movable parts 12, 13 of the tool and is thereby pressed radially outwardly against the peripheral surface of a free turn (7) of the threaded bore. The relative movement of the two parts 12, 13 is effected by rotation of a nut 20. <IMAGE>
GB8038244A 1979-12-04 1980-11-28 Methods of and arrangements for plugging threaded bores in flanges of reactor pressure vessels Expired GB2066907B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2948663A DE2948663C2 (en) 1979-12-04 1979-12-04 Method for closing a threaded hole made in the flange of a reactor pressure vessel and device for carrying out the method

Publications (2)

Publication Number Publication Date
GB2066907A GB2066907A (en) 1981-07-15
GB2066907B true GB2066907B (en) 1983-08-24

Family

ID=6087530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8038244A Expired GB2066907B (en) 1979-12-04 1980-11-28 Methods of and arrangements for plugging threaded bores in flanges of reactor pressure vessels

Country Status (6)

Country Link
EP (1) EP0029956B1 (en)
JP (1) JPS56128494A (en)
AT (1) ATE10552T1 (en)
DE (1) DE2948663C2 (en)
ES (1) ES498218A0 (en)
GB (1) GB2066907B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644925B1 (en) * 1989-03-22 1994-04-01 Framatome WATERPROOF PLUG FOR TAP HOLE AND TOOLS AND METHOD OF FITTING SUCH PLUG
FR2718818B1 (en) * 1994-04-14 1996-07-12 Electricite De France Improved shutter for tapped orifice.
FR2915619B1 (en) * 2007-04-24 2009-08-21 Areva Np Sas DEVICE AND METHOD FOR CAPTURING AN ORIFICE OF A BEAM ENVELOPE OF A STEAM GENERATOR OF A PRESSURIZED WATER NUCLEAR REACTOR
JP6532422B2 (en) * 2016-03-28 2019-06-19 三菱重工業株式会社 Lid bolt storage plug for radioactive material storage container and radioactive material storage method
CN113211372A (en) * 2021-03-26 2021-08-06 海洋石油工程股份有限公司 Be applied to sealing washer change instrument of horizontal connector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175727A (en) * 1963-03-22 1965-03-30 Piel Tillie Margaret Closure for core holes
CH447403A (en) * 1967-04-19 1967-11-30 Sulzer Ag Closure for pressure pipes of nuclear reactors
GB2008710A (en) * 1977-06-27 1979-06-06 British Gas Corp Plugging Holes in Pipes or Vessels
JPS54145850A (en) * 1978-05-04 1979-11-14 Mitsui Eng & Shipbuild Co Ltd Device for sealing tube

Also Published As

Publication number Publication date
ES8204211A1 (en) 1982-05-01
DE2948663A1 (en) 1981-06-11
ES498218A0 (en) 1982-05-01
DE2948663C2 (en) 1983-01-13
GB2066907A (en) 1981-07-15
EP0029956A1 (en) 1981-06-10
ATE10552T1 (en) 1984-12-15
EP0029956B1 (en) 1984-11-28
JPS56128494A (en) 1981-10-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee