Water and Wastewater Terms Beginning P
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
packing ring
A ring made of asbestos or metal, which may be lubricated with Teflon or graphite, that forms a seal between the pump shaft and its casing.
OWP will be closed from 4:00 pm on Friday, December 20, 2024, until 8:00 am on Thursday, January 2, 2025, for Winter Break.
(All times are PST.)
| If exams are submitted: | Course certificates will be mailed: |
|---|---|
| By December 13th | By December 20th |
| After December 20th | Early January |
Please note: Postmark dates will not be honored.
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
A ring made of asbestos or metal, which may be lubricated with Teflon or graphite, that forms a seal between the pump shaft and its casing.
