1.1 This specification covers the design, construction, testing, and operating requirements for hand operated, quick-change cartridge trim, in-line body and angle-body, globe style valves for use in gas (except oxygen gas), and hydraulic systems. These valves may be used for on-off, and/or throttling applications.

1.2 The values stated in this specification in inch-pounds units are to be regarded as the standard. The SI equivalent shown in parenthesis are provided for information only.