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HON 503 Gas Regulator

HON 503 is a pilot-operated gas pressure regulator with incorporated safety shut off valve. It is ideal for regulating non-aggressive gases at transfer stations in gas transport networks for power plants and industrial facilities. ​

HON 503 Gas Regulator
Honeywell regulators/Gas Pressure Regulators up to ANSI 600 and Main Valves with Electric Actuation

Features include:

-Wide inlet pressure range
-Outlet DN double as inlet DN
-Fewer parts, easy to maintain, quiet operation
-Grid plate for noise reduction
-Also available with metal foam for additional noise reduction
-Version with Safety Shut-off Valve (SSV), actuators K 1a, K 2a/1, K 2a/2, K 10a, K 11a/1, K 11a/2, K 16, K 17, K 18, K 19
-Suitable for non-aggressive gases, other gases on enquiry
-CE registration according to PED
-Max. admissible pressure PS: 100 bar
-Max. inlet pressure pu max: up to 100 bar
-Outlet pressure range Wd: 0.3 bar to 90 bar
-Minimum pressure drop: 1.5 bar (4 bar for DN 25/25), others on enquiry
-Max. pressure drop: 90 bar
-Class of lock-up pressure zone: SZ 2.5
SSV setting range
-For overpressure: Wdo 50 mbar to 90 bar
-For underpressure: Wdu 10 mbar up to 90 bar

-DIN flange PN 40 and Class 150 according to ANSI 16.5 for DN 25/25
-Flange Class 300, Class 600 according to ANSI 16.5
-With pipe sizes inlet/outlet - DN 25/25, DN 25/50, DN 50/100, DN 80/150, DN 100/200, DN 150/300

All mechanical components of this device are without potential ignition sources and/ or hot faces. They are not subject to ATEX 95 (94/9/EC). All electronic accessories, on the other hand, meet ATEX requirements.


Honeywell announced it has completed its acquisition of the Elster division of Melrose Industries plc, a leading provider of thermal gas solutions for commercial, industrial, and residential heating systems and gas, water, and electricity meters, including smart meters and software and data analytics solutions. Elster also manufactures gas metering and pressure control devices, as well as total solutions for the gas transmission and distribution industry. After the acquisition, Honeywell secured it's position as world's leading company in providing solutions and products in oil & gas industry. According to Fortune ranking, it is one of the 100 largest companies in the world. Immense portfolio, high quality products and competative prices highlight Honeywell above it's competition.

Honeywell Process Solutions (HPS) is a global leader with over 40 years of experience delivering process automation and control solutions that help industrial customers run their operations safely, reliably, efficiently and sustainably through innovative technologies, services and domain expertise. With more than 12,000 employees around the world, HPS serves customers in more than 125 countries in the oil & gas, refining, petrochemicals, pulp & paper, specialty chemicals, pharmaceuticals, industrial power, and mining & minerals industries.

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