EMERSON Industrial Air Natural Gas Regulator Fisher Type 627 Commercial Series Direct-operated Pressure Reducing Regulator

The Fisher 627 Pressure Regulator is a dependable, direct-operated device engineered for low-pressure gas regulation in residential and commercial settings. With a compact design and internal relief option, it ensures stable outlet pressure for appliances like furnaces and water heaters. Available in sizes from 3/4" to 2", the 627 handles inlet pressures up to 20 psi while maintaining outlet pressures from 3 to 20 inches water column. Its simplicity and reliability make it a trusted choice for natural gas distribution, minimizing pressure fluctuations and enhancing system safety.

• Direct-Operated Design: Responds quickly to pressure changes without pilots.
• Internal Relief Option: Vents excess pressure for added safety.
• Compact and Lightweight: Easy installation in tight spaces.
• Wide Outlet Range: 3 to 20 inches w.c. for versatile applications.
• Corrosion-Resistant: Cast iron body for durability.
• Low Maintenance: Simple construction reduces servicing needs.
• NPT Connections: Standard 3/4" to 2" sizes.
• Proven Reliability: Over 50 years of field performance.

The Fisher 627 Pressure Regulator is suited for low-pressure gas control in various settings:

• Residential Appliances: Furnaces, water heaters, and cooktops.
• Commercial Heating: Space heaters and unit heaters.
• Natural Gas Distribution: Meter outlet regulation.
• Light Industrial: Small burners and pilot lines.
• Propane Systems: Low-pressure propane delivery.

20 psi for safe low-pressure operation.

Yes, optional for overpressure protection.

Yes, NPT connections and lightweight design simplify setup.

Natural gas, propane, and manufactured gas.

Minimal; annual diaphragm check recommended.

For more information about the Fisher 627 Pressure Regulator, pricing, or to request a demo, contact our team:

• Email: ekko.lee@gongboshi.com
• Phone:

  +8613032169970

• Fisher 627H: High-pressure variant.
• Fisher 627R: Relief regulator option.
• Fisher CS400: Commercial regulator series.
• Emerson Regulator Services: Maintenance support.