---
title: Medical Gas and Vacuum Systems
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### This standard does not cover the following, which are specified elsewhere: {note}
−- Laboratory specialty gases not serving patient care, covered by [[syncs/laboratory-gas-systems]]
−- Natural gas and fuel gas piping, covered by [[syncs/fuel-gas-piping]]
−- General-purpose compressed air for shop and pneumatic tools, covered by [[syncs/compressed-air-systems]]
+- Laboratory specialty gases not serving patient care, covered by [[sync/laboratory-gas-systems]]
+- Natural gas and fuel gas piping, covered by [[sync/fuel-gas-piping]]
+- General-purpose compressed air for shop and pneumatic tools, covered by [[sync/compressed-air-systems]]
- HVAC and building exhaust systems, except where they serve a passive WAGD termination coordinated under this standard
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### Consistent labeling prevents a maintenance worker from cutting into the wrong line and prevents an accidental cross-connection during future renovation. {note}
−### Valves, zones, and station outlets shall be labeled in accordance with [[syncs/equipment-labeling]].
+### Valves, zones, and station outlets shall be labeled in accordance with [[sync/equipment-labeling]].
−### Piping insulation, where required, shall comply with [[syncs/plumbing-insulation]].
+### Piping insulation, where required, shall comply with [[sync/plumbing-insulation]].
# Valves {toc}
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### Dielectric separation shall be provided where copper medical gas tube contacts dissimilar metal supports.
−### Medical gas piping shall be coordinated with other plumbing systems in accordance with [[syncs/domestic-water-piping]] and [[syncs/plumbing-specialties]].
+### Medical gas piping shall be coordinated with other plumbing systems in accordance with [[sync/domestic-water-piping]] and [[sync/plumbing-specialties]].
### Penetrations through fire-rated assemblies shall be firestopped to maintain the rating of the assembly.
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- Source equipment filters and dryer media
```