- Tyco-Fire
- Products and Solutions
- Valves, Devices, and Components
- Air Maintenance Devices
- AMD-3 - Nitrogen Maintenance Device
AMD-3 - Nitrogen Maintenance Device
Control nitrogen pressure
The AMD-3 unit is used in conjunction with a cylinder of high-pressure nitrogen to control the pressure in a dry or pre-action sprinkler system.
- UL and C-UL Listed, FM Approved, NYC Approved under MEA 206-02-E
- Used in conjunction with a cylinder of high pressure nitrogen
- Helps control the nitrogen pressure in a sprinkler system or a dry pilot line detection for deluge systems
Automatic and Field Adjustable
![Automatic and Field Adjustable](https://tyco.widen.net/content/u5lxue5qnq/jpeg/bts_imageleftcontentright_amd_3_nitrogen_maintenance_device_iStock-182408547.jpeg?position=c&color=ffffffff&quality=80&u=ncoxvb)
Features
- UL and C-UL Listed, FM Approved, NYC Approved under MEA 206-02-E
- Field-adjustable outlet pressure range: 4 to 60 psi (0,4 to 4,1 bar)
- Outlet gauge range: 4 to 100 psi (30 to 700 kPa)
- Maximum inlet nitrogen supply pressure: 3000 psi (200 bar)
- Inlet gauge range: 200 to 4000 psi (1000 to 28000 kPa)
- Re-designation for the Gem Model F328
Benefits
![Industry-Leading Warranty](https://tyco.widen.net/content/gqohbfls4p/jpeg/bts_icon_benefit_icons_industry_leading_warranty.jpeg?position=c&color=ffffffff&quality=80&u=ncoxvb)
Johnson Controls stands behind its products with a unique warranty. See our Terms and Conditions for details.
![Trusted Performance](https://tyco.widen.net/content/7yqvbb4gek/jpeg/bts_icon_benefit_icon_trusted_performance.jpeg?position=c&color=ffffffff&quality=80&u=ncoxvb)
Tyco® products have helped to protect spaces for more than 130 years.
![Broad Portfolio](https://tyco.widen.net/content/s9uq0vtlps/jpeg/bts_icon_benefit_icons_broad_portfolio.jpeg?position=c&color=ffffffff&quality=80&u=ncoxvb)
Tyco® products are part of a time-tested, broad portfolio of fire protection solutions, including fire grooved, sprinklers, valves, water mist, foam concentrates and hardware, and much more.
Technical Resources
Back
Next
Related Products
![A laptop on a desk with a finger pointing at a screen](/-/media/project/jci-global/fire-suppression/tyco-fire/tyco-fire/pdps/promobar/bts_promobar_tyco-fire.png?h=534&w=800&la=en&hash=9AA14576C30E7444DB9C826506B3CCF2)
SprinkCAD Software Suite
Save time and ensure quality with the SprinkCAD software suite. Developed to offer fire sprinkler system designers a powerful set of digital tools to create precise solutions.
Learn about our all-in-one software package