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IT952569B - IMPROVEMENT IN MALE VALVES SUITABLE IN PARTICULAR FOR PIPES FOR THE TRANSPORT OF ABRASIVE MATERIALS - Google Patents

IMPROVEMENT IN MALE VALVES SUITABLE IN PARTICULAR FOR PIPES FOR THE TRANSPORT OF ABRASIVE MATERIALS

Info

Publication number
IT952569B
IT952569B IT4948472A IT4948472A IT952569B IT 952569 B IT952569 B IT 952569B IT 4948472 A IT4948472 A IT 4948472A IT 4948472 A IT4948472 A IT 4948472A IT 952569 B IT952569 B IT 952569B
Authority
IT
Italy
Prior art keywords
pipes
transport
improvement
abrasive materials
valves suitable
Prior art date
Application number
IT4948472A
Other languages
Italian (it)
Original Assignee
Rockwell Mfg Co
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 Rockwell Mfg Co filed Critical Rockwell Mfg Co
Application granted granted Critical
Publication of IT952569B publication Critical patent/IT952569B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/22—Features relating to lubrication
    • F16K5/222—Features relating to lubrication for plugs with conical surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Taps Or Cocks (AREA)
IT4948472A 1971-04-09 1972-04-08 IMPROVEMENT IN MALE VALVES SUITABLE IN PARTICULAR FOR PIPES FOR THE TRANSPORT OF ABRASIVE MATERIALS IT952569B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13276771A 1971-04-09 1971-04-09

Publications (1)

Publication Number Publication Date
IT952569B true IT952569B (en) 1973-07-30

Family

ID=22455503

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4948472A IT952569B (en) 1971-04-09 1972-04-08 IMPROVEMENT IN MALE VALVES SUITABLE IN PARTICULAR FOR PIPES FOR THE TRANSPORT OF ABRASIVE MATERIALS

Country Status (5)

Country Link
CA (1) CA981239A (en)
DE (1) DE2217028A1 (en)
FR (1) FR2136273A5 (en)
GB (1) GB1369885A (en)
IT (1) IT952569B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9207576D0 (en) * 1992-04-07 1992-05-20 Btr Plc Tapered plug valve
GB2292993B (en) * 1994-09-07 1996-10-30 Btr Plc Tapered plug valve
US6296016B1 (en) 1997-11-12 2001-10-02 Btr Plc Double obturator valve
US6182696B1 (en) 1998-10-27 2001-02-06 Nordstrom Valves, Inc. Dual isolation valve with rectangular flow passageways
US8070130B2 (en) * 2008-01-22 2011-12-06 Fisher Controls International, Llc Apparatus to bias valve closure members
CN105276218B (en) * 2015-10-27 2017-07-28 步志俊 A kind of ceramic plug valve
CN106763856B (en) * 2017-02-22 2018-09-07 李祥庆 It is a kind of to seal plug valve without abrasion
DE102020133047A1 (en) 2020-12-10 2022-06-15 Röchling Automotive Se & Co.Kg Injection molded plastic valve assembly for a motor vehicle

Also Published As

Publication number Publication date
CA981239A (en) 1976-01-06
FR2136273A5 (en) 1972-12-22
GB1369885A (en) 1974-10-09
DE2217028A1 (en) 1972-10-19

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