relief valve tester

  • 1Reduced pressure zone device — A Reduced Pressure Zone Device (RPZD, RPZ or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. An RPZD is considered suitable for high hazard applications, that is, where the consequence of… …

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  • 2Maxaret — The Jensen FF, which Sports Illustrated called the safest car in the world. Dunlop s Maxaret was the first anti lock braking system (ABS) to be widely used. Introduced in the early 1950s, Maxaret was rapidly taken up in the aviation world, after… …

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  • 3GLaDOS — GLaDOS, as she appears in Portal 2 Series Portal First game Portal (2007) Created by Erik Wolpaw Kim Swift …

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  • 4Programme Surveyor — Maquette terrestre d une sonde Surveyor Caractéristiques Organisation …

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  • 5Art, Antiques, and Collections — ▪ 2003 Introduction       In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting …

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  • 6Doug Hele — Born 13 July 1919 Birmingham Died 2 November 2001 Hagley Residence Worcestershire, England, U.K. Nationality British …

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