{"id":"control-valve","version":"0.1.0","classification":{"uniformat":"D3060"},"names":["Control valve with actuator"],"aliases":["CV","2-way valve","3-way valve","zone valve"],"pm_tasks":[{"task":"Check actuator and linkage open and close fully without binding; adjust","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":127,"checklist":"CTRL-END-01-01Y End Devices (pneumatic)"},{"task":"Stroke through full range with a squeeze bulb and gauge","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":127,"checklist":"CTRL-END-01-01Y End Devices (pneumatic)"},{"task":"Pneumatic: listen and feel for air leaks at tubing joints","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":127,"checklist":"CTRL-END-01-01Y End Devices (pneumatic)"},{"task":"Check diaphragm actuators and other primary elements for condition and action","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":127,"checklist":"CTRL-END-01-01Y End Devices (pneumatic)"},{"task":"Check electrically controlled valves and dampers respond","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":127,"checklist":"CTRL-END-01-01Y End Devices (pneumatic)"},{"task":"Electronic: command through its range; check the equipment responds","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":128,"checklist":"CTRL-END-01-01Y End Devices (electronic)"},{"task":"Electronic: compare BAS status with what the device actually does","frequency":"P1Y","reference":"Public Buildings Service Preventive Maintenance Guide (Public Buildings Maintenance Standards)","url":"https://web.archive.org/web/20231003141600/https://origin-www.gsa.gov/system/files/GSA%20PBS%20Preventive%20Maintenance%20Guide%202022-01302023_0.pdf","page":128,"checklist":"CTRL-END-01-01Y End Devices (electronic)"}],"open_questions":["No service life yet: no published source that meets the sourcing policy states one. The maintenance tasks are sourced.","Written for GSA contracted O&M in US federal buildings; job plans are generic and defer to manufacturer instructions, and the fire extinguisher plans only point to NFPA 10."],"contributors":["unfinished.one editors"],"last_reviewed":"2026-10-22","canonical_url":"https://unfinished.one/c/control-valve","versioned_url":"https://unfinished.one/c/control-valve/v/0.1.0","licence":"CC-BY-4.0","citation":"unfinished.one (2026). Control valve with actuator, v0.1.0. https://unfinished.one/c/control-valve/v/0.1.0"}