IMI Norgren PM/31122 Air Bellow - Single Acting
Part Number: PM/31122
Quick Summary
IMI Norgren PM/31122 Air Bellow delivers high-force, short-stroke actuation with frictionless performance for automated tooling and packaging lines. Engineers often face maintenance-heavy cylinders that trigger downtime; this air bellow minimizes lubrication needs and simplifies installation. CE certification and non-magnetic aluminium construction support reliable operation in European factories, while robust vibration isolation helps protect sensitive equipment. With a compact footprint and compatible porting, it also delivers lower total cost of ownership and easier OEM integration for system integrators and maintenance teams.
Product Information
Extended Description
PM/31122 Norgren: Frictionless operation | No maintenance or lubrication | Ideal for short stroke, high-force applications | High vibration isolation level | Easy, compact installation
Medium
Compressed air
Operating Temperature
-30 ... 50 °C, -22 ... 122 °F
Operating Pressure
0 ... 8 bar, 0 ... 116 psi
Port Size
G3/4
Nominal Diameter
12"
Number Of Convolutions
2
Stroke Length
230 mm
Operation
Single acting
Magnetic/Non-magnetic
Non-magnetic
Theoretical Force
35800 N
Materials - Body
Aluminium
Dimensions - Height
325 mm
Dimensions - Length
75 mm
Dimensions - Width
325 mm
Weight
4.8 kg
Country of Origin
Germany
Range
PM/31000
Brand
IMI Norgren
Feature: 12" nominal diameter and 230 mm stroke enable high-load, short-stroke actuation, reducing cycle times and improving throughput. Business Impact: Higher production efficiency with predictable repeatability in presses and clamping stations; Applications: die forming, automotive assembly, packaging lines. Feature: Operating pressure range 0-8 bar (0-116 psi) provides flexibility across standard plant air systems. Business Impact: Fewer regulators and simpler pneumatics design, lowering setup time and maintenance. Applications: automation cells, pick-and-place fixtures, transfer lines. Feature: Theoretical force of 35800 N and aluminium body offer rugged, high-load performance with light-weight handling. Business Impact: Strong performance with easier handling and installation; Applications: heavy-duty actuators, fixture locking, grinding and deburring. Feature: Single acting and G3/4 port size simplify integration with existing factory air networks. Business Impact: Faster commissioning and retrofits; Applications: OEM machinery, modular automation frames. Feature: Frictionless operation and maintenance-free design minimize lubrication needs and downtime. Business Impact: Lower operating costs, extended service intervals; Applications: continuous production lines, remote installations.
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FAQs
PM/31122 uses a G3/4 port and a 12" diameter bellow with a 230 mm stroke. For retrofits, ensure your manifold supports G3/4 threads and that the installation envelope accommodates a 325 mm height and width footprint. Aluminium body aids mounting rigidity and reduces weight during installation.
The device delivers up to 35800 N of theoretical force, enabling quick, decisive actuation in short-stroke cycles. With frictionless operation and no lubrication requirement, you gain consistent performance and reduced downtime, particularly in tooling or clamping operations where repeatability matters.
Yes, the PM/31122 provides a high vibration isolation level due to its robust aluminium body and mechanical design. The non-magnetic construction also helps prevent interference in sensitive equipment, making it suitable for factory floors with robotic cells and automated handling lines.
The PM/31122 line is CE-compliant, aligning with European market standards. Safety and performance are influenced by system integration; for SIL or exact IP ratings, verify per your specific application and environment specifications and consult the datasheet for installation guidelines.
The frictionless, maintenance-free design eliminates routine lubrication and reduces wear, lowering maintenance labor and downtime. Its compact footprint and simple porting streamline installation and retrofits, delivering faster commissioning and a lower total cost of ownership in continuous production environments.