Rotolock valve: Difference between revisions
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A '''service valve''' is a [[valve]] used to separate one piece of equipment from another in any system where liquids or gases circulate.<ref name="Thompson2007">{{cite book|last=Thompson|first=John|title=Plumbing Illustrated Dictionary|url=https://books.google.com/books?id=MhdV-JVX7YwC&pg=PA243|accessdate=18 January 2013|year=2007|publisher=Heinemann|isbn=9780435402082|page=243}}</ref> Two types of service valves are marketed: the [[Schrader valve|Schrader-type valve]] and the stem-type service valve.<ref name="KnowlesErjavec2004">{{cite book|last1=Knowles|first1=Don|last2=Erjavec|first2=Jack|title=TechOne: Basic Automotive Service and Maintenance|url=https://books.google.com/books?id=Dp_LUwqIW7sC&pg=PA400|accessdate=18 January 2013|year=2004|publisher=Cengage Learning|isbn=9781401852085|page=400}}</ref> Specialized versions are made for specific purposes, such as the Rotolock valve (a stem-type valve also called a Rotalock valve <ref>{{cite journal|last=American Society of Refrigerating Engineers|title=Rotalock valve|journal=Refrigerating Engineering|year=1958|volume=66-67|issue=2|pages=24|url=https://books.google.com/books?id=VYcTAQAAMAAJ&q=%22Rotalock+valve%22+-inpublisher:icon |
A '''service valve''' is a [[valve]] used to separate one piece of equipment from another in any system where liquids or gases circulate.<ref name="Thompson2007">{{cite book|last=Thompson|first=John|title=Plumbing Illustrated Dictionary|url=https://books.google.com/books?id=MhdV-JVX7YwC&pg=PA243|accessdate=18 January 2013|year=2007|publisher=Heinemann|isbn=9780435402082|page=243}}</ref> Two types of service valves are marketed: the [[Schrader valve|Schrader-type valve]] and the stem-type service valve.<ref name="KnowlesErjavec2004">{{cite book|last1=Knowles|first1=Don|last2=Erjavec|first2=Jack|title=TechOne: Basic Automotive Service and Maintenance|url=https://books.google.com/books?id=Dp_LUwqIW7sC&pg=PA400|accessdate=18 January 2013|year=2004|publisher=Cengage Learning|isbn=9781401852085|page=400}}</ref> Specialized versions are made for specific purposes, such as the Rotolock valve (a stem-type valve also called a Rotalock valve <ref>{{cite journal|last=American Society of Refrigerating Engineers|title=Rotalock valve|journal=Refrigerating Engineering|year=1958|volume=66-67|issue=2|pages=24|url=https://books.google.com/books?id=VYcTAQAAMAAJ&q=%22Rotalock+valve%22+-inpublisher:icon|accessdate=14 January 2013}}</ref>), which is a special [[refrigeration]] valve with a [[teflon]] ring seated against a machined surface enclosed by a threaded fitting; this valve allows the technician to remove all [[refrigerant]] from the compressor without requiring removal of the system charge. |
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==References== |
==References== |
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[[Category:Valves]] |
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Latest revision as of 06:55, 30 November 2020
A service valve is a valve used to separate one piece of equipment from another in any system where liquids or gases circulate.[1] Two types of service valves are marketed: the Schrader-type valve and the stem-type service valve.[2] Specialized versions are made for specific purposes, such as the Rotolock valve (a stem-type valve also called a Rotalock valve [3]), which is a special refrigeration valve with a teflon ring seated against a machined surface enclosed by a threaded fitting; this valve allows the technician to remove all refrigerant from the compressor without requiring removal of the system charge.
References
[edit]- ^ Thompson, John (2007). Plumbing Illustrated Dictionary. Heinemann. p. 243. ISBN 9780435402082. Retrieved 18 January 2013.
- ^ Knowles, Don; Erjavec, Jack (2004). TechOne: Basic Automotive Service and Maintenance. Cengage Learning. p. 400. ISBN 9781401852085. Retrieved 18 January 2013.
- ^ American Society of Refrigerating Engineers (1958). "Rotalock valve". Refrigerating Engineering. 66–67 (2): 24. Retrieved 14 January 2013.
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