Norgren M/31082 Air Bellow - 8" Diameter, 175 mm Stroke
Part Number: M/31082
Quick Summary
Norgren M/31082 Air Bellow is a frictionless, single-acting pneumatic actuator designed for high-force, short-stroke applications. Engineers often struggle with maintenance-heavy actuators and inconsistent force in tight travel; this model minimizes lubrication needs while delivering repeatable performance. While explicit CE or IP certifications aren’t listed in the provided data, Norgren products typically align with industry standards; please verify certification coverage with the supplier. The non-magnetic construction, combined with a compact footprint and simple installation, supports reduced maintenance costs and faster line upgrades. This combination of rugged capability and straightforward integration makes it well-suited for automated fixtures, vibration-sensitive tooling, and high-cycle manufacturing environments. Primary keywords: air bellow, pneumatic actuator, vibration isolation.
Product Information
Extended Description
M/31082 Norgren: Frictionless operation | No maintenance or lubrication | Ideal for short stroke, high-force applications | High vibration isolation level | Simple to install
Medium
Compressed air
Operating Temperature
-40 ... 70 °C, -40 ... 158 °F
Operating Pressure
0 ... 8 bar, 0 ... 116 psi
Port Size
G1/2
Nominal Diameter
8"
Number Of Convolutions
2
Stroke Length
175 mm
Operation
Single acting
Magnetic/Non-magnetic
Non-magnetic
Theoretical Force
17650 N
Dimensions - Height
300 mm
Dimensions - Length
230 mm
Dimensions - Width
230 mm
Weight
4.1 kg
Country of Origin
France
Range
M/31000
Brand
IMI Norgren
Feature Frictionless operation → Business Impact Reduced wear and maintenance costs; no lubrication required → Application High-cycle automation and cleanroom environments where lubrication is undesirable. Feature Wide operating temperature range and pressure tolerance → Business Impact Expanded deployment across outdoor and mixed-temperature facilities; fewer system outages → Application Cold- and hot-environment assembly lines needing robust performance. Feature 8 inch nominal diameter with 175 mm stroke and 2 convolutions → Business Impact High-force, short-stroke capability enabling compact but powerful actuation, improving cycle times → Application Clamping, fixture transfer, and quick-positioning tasks. Feature G1/2 port size compatibility with standard pneumatic fittings → Business Impact Seamless integration with existing plant air systems reduces installation time and parts variety → Application Retrofit projects and OEM equipment upgrades. Feature Non-magnetic construction → Business Impact Safe operation around sensitive electronics and control systems, preserving signal integrity → Application Robotics, CNC tooling, and precision assembly where magnetic interference must be avoided. Feature Theoretical force of 17650 N → Business Impact High return on investment through reliable, repeatable force over the stroke → Application Pressing, stamping, forming, and high-load lifting tasks. Feature Weight 4.1 kg and dimensions 230 x 230 x 300 mm → Business Impact Predictable mounting footprint and straightforward installation planning → Application System design and space-constrained automation. More industry context: adopting this air bellow can improve downtime metrics and support lean manufacturing goals by reducing lubrication cycles and maintenance windows.
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FAQs
The M/31082 uses a standard G1/2 port, enabling straightforward hookup to common compressed air lines and fittings. When installing, ensure clean, dry air supply, use appropriate anti-retraction fittings, and mount the device on a rigid, vibration-damped base. Confirm alignment with the 230 mm width and 300 mm height to avoid interference with moving components. Proper fixation plus a short trial run verify smooth, frictionless operation.
Operating pressure is 0 to 8 bar (0 to 116 psi), with a nominal diameter of 8 inches and a stroke of 175 mm. Theoretical force is 17650 N, delivering robust, repeatable actuation in short-stroke applications. This combination supports demanding clamping, lifting, or transfer operations while maintaining precise control within the specified pressure window.
Yes. The M/31082 is designed for high-force, short-stroke use with strong vibration isolation characteristics. Its non-magnetic construction and frictionless operation reduce susceptibility to wear and misalignment in vibrating lines. For best results, mount on a rigid base with vibration damping and plan for minimal lubrication requirements to preserve performance in harsh environments.
The unit is described as frictionless with no maintenance or lubrication required for optimal operation. This reduces downtime and maintenance costs in automated lines. Nevertheless, routine system checks—air quality, cleanliness, and mechanical inspection—are recommended to sustain peak performance over time.
Confirm any region-specific certifications (CE, IP ratings, SIL) with the supplier, as explicit certifications are not listed in the provided data. Verify compatibility with your control system and safety interlocks, ensure clean air supply, and check that the non-magnetic construction aligns with nearby electronics. Consider using standard safety margins and proper guards for pinch points in automation cells.