Norgren B52G-3AD-AC1-FMK Filter/Regulator - Relieving
Part Number: B52G-3AD-AC1-FMK
Quick Summary
The Norgren B52G-3AD-AC1-FMK filter/regulator cleans and regulates compressed air for harsh marine and oil-and-gas environments. Industrial air systems often suffer corrosion, clogging, and unpredictable pressure, leading to downtime and higher operating costs. Designed with stainless steel bodies and MR-01-75 compliant parts, it resists corrosive environments while providing reliable 0.5–10 bar output. This combination delivers longer service life and lower maintenance, while the compact B52G footprint supports retrofit and scalable automation projects.
Product Information
Extended Description
B52G-3AD-AC1-FMK Norgren: Designed for use in corrosive enviroments | Metallic parts meet NACE Standard MR-01-75 | Applications include marine enviroments, oil and gas production
Medium
Compressed air
Operating Temperature
-20 ... 80 °C, -4 ... 176 °F
Port Size
3/8" NPT
Drain Type
Automatic drain
Gauge Port
1/4" NPT
Filter Element
5 μm
Adjustment
Adjusting screw
Maximum Inlet Pressure
17 bar
Outlet Pressure Adjustment
0.5 ... 10 bar, 7 ... 145 psi
Relieving / Non Relieving
Relieving
Flow
40 dm3/sec, 84 scfm
Materials - Adjusting Knob
Stainless steel
Materials - Body
Stainless steel
Materials - Bonnet
Stainless steel
Materials - Bowl
Stainless steel
Materials - Elastomers
FPM
Materials - Filter Element
Stainless steel
Range
B52G
Series
Stainless Steel
Brand
IMI Norgren
Stainless steel construction across the adjusting knob, body, bonnet, and bowl delivers excellent corrosion resistance in challenging offshore and chemical environments, reducing replacement cycles and maintenance costs while maintaining performance. The 5 μm filter element paired with an automatic drain enhances air quality and minimizes manual intervention, translating to predictable production uptime and lower lifecycle costs. With a 3/8" NPT port and a 1/4" gauge port, installation compatibility is straightforward, enabling faster upgrades in existing lines and smoother integration with standard pneumatic hardware. The unit supports a maximum inlet pressure of 17 bar and an adjustable outlet range of 0.5–10 bar, providing safe, reliable pressure management that protects downstream equipment and supports compliant automation. Stainless steel components throughout plus FPM elastomers deliver durable seals and long service life in corrosive settings, while the relieving design helps prevent pressure build-up during maintenance.
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FAQs
For retrofit projects, connect the 3/8" NPT port to the main feed using compatible pneumatic fittings. Ensure the gauge port is left unused if a gauge is not required, and verify the automatic drain line is unobstructed. Mount the unit in a clean, dry area and orient it to allow gravity-assisted drainage. Check clearances for service access and replace the filter element per maintenance schedules.
Key specs include a 5 μm filter element to remove fine particulates, a relieving design for safe pressure relief, an adjustable outlet from 0.5 to 10 bar, and a maximum inlet of 17 bar. The 3/8" port size supports standard interfaces, and a 1/4" gauge port offers optional monitoring. Together these deliver stable pressure and cleaner air downstream.
Yes. The B52G-3AD-AC1-FMK uses stainless steel for the body, bonnet, bowl, and adjusting knob, with FPM elastomers, aligning with corrosion resistance needs found in marine and offshore oil & gas applications. It’s designed to operate in temperatures from -20 to 80 °C and complies with MR-01-75 standards for metallic parts, supporting long-term reliability in harsh environments.
Plan for periodic drain inspection and filter element replacement to sustain performance. The automatic drain minimizes manual maintenance, while stainless steel components resist corrosion, extending service life. Regular checks of the gauge port (if fitted) and seals in the bonnet and bowl help prevent leaks, ensuring consistent pressure and air quality over time.
Expect reduced maintenance labor due to automatic drainage and longer service intervals from corrosion-resistant stainless steel. The stable 0.5–10 bar output minimizes downstream pressure fluctuations, protecting downstream actuators and reducing premature wear. Overall, you gain higher system reliability, lower replacement costs, and improved process uptime, especially in demanding offshore or marine operations.