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
Prussian blue
A blue paste or liquid (often on a paper like carbon paper) used to show a contact area. Used to determine if gate valve seats fit properly.
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 blue paste or liquid (often on a paper like carbon paper) used to show a contact area. Used to determine if gate valve seats fit properly.