miter valve

miter valve

[′mīd·ər ‚valv]
(design engineering)
A valve in which a disk fits in a seat making a 45° angle with the axis of the valve.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

miter valve

A valve having a disk that fits in a seat at a 45° angle to the axis of the valve.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.