Page 49 - 2025 HuFriedyGroup Digital Catalog

Mains and branches in piping systems shall be not less Outlet Stations
than 1/2'' nominal size.
O2 Pipeline
6 1/2'' MEDICAL GAS CONTROL VALVES Option 1 Copper
CLOSE IN EMERGENCY ONLY ZONE VALVE
FOR USE WITH 1/2" O.D. To Vac.
Automatic Manifold System
Oxygen
O 2 (PSI)
Nitrous Pipeline
Oxide
(PSI)
ZONE VALVE #
PULL RING FOR ACCESS Copper Control
N 2 O 1/2" O.D. Module
N2O Pipeline Copper
Wall Mount Cat 6 cable to 3/8" O.D. with
Bracket
Office Alarm Panel Zone Valve (100') Zone Valve Option 2 N2O O2 VAC
Outlet Requirements: N2O O2 VAC
Each outlet station for medical
gas with threaded (DISS) or
non-interchangeable quick Dual and Triple Micro Outlets are perfect companions
Copper to copper joints shall be braised using connect coupler shall be gas for flowmeter systems that are mounted in a cabinet,
copper-phosphorus or copper phosphorus-silver
Cat 6 cable brazing filler metal (B cup series) without flux with specific and shall consist of a like the Digital Ultra™ Flushmount Flowmeters and
to Office at least 1000˚ F. melting point. While being primary and secondary valve. the Ultra PC™ % Cabinet Mount Flowmeters. The
Alarm Panel brazed, joints shall be continually purged with Micros can rest on a shelf or the floor of a base
(100') oil-free dry nitrogen. The flow of purge gas shall cabinet and offer flexibility that is not always possible
be maintained until the joint is cool to touch. with a permanently mounted outlet station.
Dental Office Area Treatment Area
Cylinder Storage Area (Central System Manifold Room)
Medical Gas systems must be installed by a licensed General Piping Requirements:
medical gas installer (i.e. ASSE 6010) and be verified by a Tubes, valves, fittings, outlet stations and other piping
Cat 6 to licensed medical gas verifier (i.e. ASSE 6030) and must be components in medical gas systems shall have been cleaned
Alarm Panel installed in compliance with NFPA 99 requirements. for oxygen service prior to installation. Piping shall be hard-

Cat 6 to 110 volt Cylinder Storage Room Requirements: drawn seamless medical gas tube, type K or L (ASTM B819),
Zone Valve outlet within 6’ and bear one of the following markings: OXY, MED, OXY/
No more than 3000 cubic feet of gas connected and in
Optional Source Valves storage at one time (excluding nitrogen). Cylinders should MED. ACR/OXY or ACR/MED. Piping for non-flammable
be stored in a locked room or cabinet. medical gas systems shall be suitable for oxygen service.
Each length of tube shall be permanently labeled and delivered
• A separate regulator for each gas cylinder plugged and capped. Fittings, valves and other devices
• A pressure relief valve set at 75 psi shall be sealed and marked. The installer shall furnish
• A check valve down stream of each regulator documentation certifying that all installed piping materials
Pressure Relief Valve (N2O) Pressure Relief Valve (O2) • System line pressure set at 50 psi comply with the requirements and that the plumber has the
N2O DISS Hose O2 DISS Hose (3 feet) • When the supply system is remote, the switchover shall appropriate medical gas license.
(3 feet) O2 Regulator
be automatic
Testing Requirements:
Flexible tubing must not go through wall(s) or partition(s)
N2O Regulator 5’ (60”) AFF and have a minimum burst pressure of 1000 psi. When Piping Integrity and System Verification Final Testing include:
(Above
Finished nonflammable gas supply (N O-O ) cylinders are located • Initial Pressure Test
Nitrous Nitrous Floor) Oxygen Oxygen 2 2
Oxide Oxide inside building, they should be in a separate room or • Blow Down
enclosure, and separated from the rest of the building by not • Piping Purge
Cylinder Restraints
less than one-hour fire-resistant construction. Two vents of • Static Pressure Test
not less than 72 square inches in area should be included. • Pressure Relief Test
One vent within 6 inches of the floor and one vent within 6 • Cross Connection Test
inches of the ceiling. • Alarm Testing for Gas System
Exception: When an exterior wall cannot be provided see Refer to NFPA 99. The responsible facility authority will
Nitrous Oxide Supply Oxygen Supply code for requirements. Openings between room or enclosure review all inspection and testing prior to the use of all systems

and interior shall be self-closing smoke and draft control, covered by this requirement.
having a fire protection rating of not less than one hour.

Note: At the time of this printing, NFPA 2005, 2012, 2015, and 2018 are in use in North America.
It is important to consult with your local municipality to confirm which codes(s) they have currently adapted.
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