Norgren RM/91040/M/35 Pneumatic Cylinder - Magnetic Piston
Part Number: RM/91040/M/35
Quick Summary
Norgren RM/91040/M/35 pneumatic cylinder is a compact single-acting actuator ideal for confined automation tasks. Engineers often wrestle with space constraints and wear in traditional cylinders, making it difficult to fit actuators into tight layouts. Although certification specifics aren’t listed here, this unit’s rugged, non-corrodible materials and magnetic piston align with common industry expectations for CE marking, IP ratings, and SIL safety features when integrated into compliant machines. Its one-third length versus ISO/VDMA equivalents supports high-density layouts, while 2–10 bar operation and 687 N thrust enable reliable performance. The design also emphasizes installation efficiency, low maintenance, and predictable lifecycle—key value drivers for cost-conscious manufacturing environments.
Product Information
Extended Description
RM/91040/M/35 Norgren: One third the basic length of a corresponding ISO/VDMA model | Low friction, long life seal design | Fully non-corrodible specification | Standard magnetic piston
Medium
Compressed air
Operating Temperature
-5 ... 80 °C, 23 ... 176 °F
Operating Pressure
2 ... 10 bar, 29 ... 145 psi
Port Size
G1/8
Cylinder diameter
40 mm
Stroke Length
35 mm
Operation
Single acting
Cushioning
No cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
687 N
Materials - Barrel
Anodised aluminium alloy
Materials - Piston Rod
Stainless steel (austenitic)
Range
RM/91000/M
Brand
IMI Norgren
Feature: Compact footprint with one-third the basic length of ISO/VDMA models. Business Impact: Frees valuable machine space and enables tighter packaging of automated cells, increasing throughput without expanding the line footprint. Application: Ideal for pick-and-place heads, clamping fixtures, and compact transfer lines where space is at a premium. Feature: 40 mm cylinder diameter and 35 mm stroke delivering 687 N theoretical force. Business Impact: Provides robust actuation for reliable cycle times and repeatable positioning in constrained spaces. Application: Suitable for high-speed clamping and indexing in small-scale automation projects. Feature: Magnetic piston and stainless steel rod with anodised aluminium barrel. Business Impact: Enables straightforward sensor integration and long-term corrosion resistance, reducing maintenance and downtime. Application: Sensor-ready setups on conveyors and machine tools. Feature: G1/8 port and operating range 2–10 bar. Business Impact: Broad compatibility with standard pneumatic systems, easy retrofits, and predictable control of acceleration/deceleration. Application: Direct compatibility with common manifolds and air valves. Feature: No cushioning and full non-corrodible specification. Business Impact: Minimizes rebound effects and wear, extending service life in harsh environments. Application: Continuous-duty production lines with frequent cycling. Feature: Range RM/91000/M and magnetic design. Business Impact: Simplifies integration with position sensing for automated control loops. Application: Robotics, automated inspection equipment, and pick-and-place stations.
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FAQs
The RM/91040/M/35 uses a standard G1/8 port and a compact mounting envelope designed for space-constrained installations. It supports typical pneumatic manifolds and mounting accessories used in automation cells. With a magnetic piston for sensor-ready feedback, installation teams can integrate position sensing without custom hardware. Verify your fixture compatibility with the bore, stroke, and mounting pattern in your system drawings.
This model operates at 2 to 10 bar (29 to 145 psi) and delivers 687 N of theoretical force with a 40 mm bore and 35 mm stroke. Its single-acting design suits push or pull configurations depending on the end-of-stroke setup, while the lack of cushioning supports faster cycles in applications where speed is prioritized. Consider duty cycle and cycle life when specifying for high-throughput lines.
Yes, its compact length and 40 mm bore enable precise linear actuation in tight packaging environments. The magnetic piston supports sensor integration for position feedback, aiding accuracy in pick-and-place cycles. The 2–10 bar range accommodates variable air supply without compromising repeatability, making it well-suited for end-of-line pick-and-place heads and small gripper actuation.
Specific certifications are not listed in the provided data. For strict regulatory alignment, consult the Norgren datasheet and your internal standards team to confirm CE marking, IP ratings, SIL safety classifications, and any customer-specific compliance requirements. The datasheet referenced by the product page should provide definitive certification details.
The RM/91040/M/35 uses a low-friction, long-life seal design and non-corrodible construction, reducing lubrication needs and maintenance downtime. The anodised aluminium barrel and stainless steel rod resist wear in demanding environments, improving cycle life and return on investment. Sensor-friendly magnetic piston also lowers total cost of ownership by simplifying diagnostics and control integration.