Norgren RA/192125/M/25 Pneumatic Cylinder - ISO 21287
Part Number: RA/192125/M/25
Quick Summary
Norgren RA/192125/M/25 is a compact pneumatic cylinder delivering precise linear actuation for automation lines. Manufacturers often battle space constraints and premature wear from high-friction seals; this model addresses those pains with a robust, long-life design. It adheres to the ISO 21287 standard and features a magnetic piston as standard, enabling reliable switch mounting, while offering flush-switch compatibility for tight control panels. With a 125 mm bore and 25 mm stroke, it combines compact form with strong actuation capability, supported by standard G1/4 porting and multiple mounting options to streamline integration in high-throughput environments.
Product Information
Extended Description
RA/192125/M/25 Norgren: Conforms to ISO 21287 | Magnetic piston as standard | Low friction, long life seals | Switches can be mounted flush with the profile
Medium
Compressed air
Operating Temperature
-5 ... 80 °C, 23 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Standard
ISO 21287
Port Size
G1/4
Cylinder diameter
125 mm
Stroke Length
25 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
7363 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Country of Origin
Germany
Range
RA/192000/M
Series
ISO Compact
Brand
IMI Norgren
C0K510828
Pneufit C Push-in fitting, Banjo flow control, regulating out, 8mm, G1/4
C02470828
Pneufit C Push-in fitting, Adaptor, 90° Swivel elbow, 8mm, G1/4
C02250828
Pneufit C Push-in fitting, Adaptor, Straight, External/Internal hex, 8mm, G1/4
QA/8125/42
D2 - Rear Clevis Mounting 125mm bore
M/P19499
Wide hinge style SW, 125mm bore
QA/8100/41
S - Swivel Bearing 100mm bore
QA/192125/55
Assembly kit (For Compact Cylinders) 125mm bore
QM/8125/22
BG - Front / Rear Flange Mounting 125mm bore
QM/8125/21
C - Foot Mounting 125mm bore
QA/8125/34
FH - Detachable Trunnion Mounting 125mm bore
QM/8125/33
UR - Universal Rear Eye Mounting 125mm bore
M/P71355
Swivel hinge style US, 125mm bore
QM/8125/27
R - Rear Eye Mounting 125mm bore
QM/8125/23
D - Rear Clevis Mounting 125mm bore
QM/8125/35
A - Front or Rear Stud Mounting 125mm bore
PQA/182125/40
Adjustable centre trunion style UH, 125mm bore
QM/192125/00
Service kits for RA/192000, 125mm
M/50/LSU/5V
M/50 magnetically operated reed switch, 5m cable
PA2-0008025C
Polyamide tube, Natural, 25m, 8mm/6mm
PA2-0008100
Polyamide tube, Natural, 100m, 8mm/6mm
M/3314
Tube cutter
Feature is ISO 21287 compliant with magnetic piston is directly linked to improved interchangeability and easier switch mounting, driving faster installation and reduced engineering effort in new or retrofit projects. Business impact: faster time-to-line and less downtime when replacing cylinders, with predictable performance in repetitive tasks. Application: pick-and-place, packaging, and assembly lines requiring repeatable, compact actuation with safe, flush-mounted sensing. Feature low-friction, long-life seals reduces maintenance cycles and total cost of ownership by minimizing replacement intervals and unexpected failures. Application: long-run conveyors and automated handling where uptime is critical. Feature buffer cushioning provides controlled deceleration and reduced impact, extending cylinder life and protecting delicate components in end-of-line packaging. Application: high-speed conveying and carton sealing where gentle return and precise positioning matter. Feature magnetic/Non-magnetic option enables compatible switches and sensors to simplify control wiring and diagnostics, increasing fault detection speed. Application: integrated automation systems with compact control panels and inline monitoring. Feature 125 mm bore and 25 mm stroke deliver substantial theoretical force (7363 N) for robust actuation, even at the upper end of the cycle, supporting heavy pick-and-place tasks. Application: press-fit operations and clamping in automation cells. Feature anodised aluminium barrel and stainless steel piston rod offer corrosion resistance and durability in harsh factory environments. Application: food & beverage, pharmaceutical, and general manufacturing. Feature G1/4 port size and Pneufit C compatibility streamline tubing and fittings, reducing installation time and leakage risk. Application: compact pneumatic circuits with quick-connect requirements. Feature comprehensive mounting options including rear clevis, front/rear flanges, and trunnion styles ensure flexible geometry to suit existing frames. Application: retrofit projects and new builds requiring adaptable mechanical interfaces.
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FAQs
The RA/192125/M/25 uses a G1/4 port and is compatible with Pneufit C fittings such as 8 mm tubing and 90° elbow adapters. This simplifies on-site assembly and reduces potential leakage points. When selecting fittings, ensure compatibility with the magnetic switch option to maintain flush sensor integration and reliable feedback signals.
Operating temperature ranges from -5 to 80 °C (23 to 176 °F) and operating pressure spans 1 to 10 bar (15 to 145 psi). These ranges support diverse industrial environments, from standard production lines to harsher climates, while preserving precision and repeatability in double-acting actuation.
RA/192125/M/25 supports a wide array of mountings including rear clevis, front/rear flange, foot mounting, swivel bearing, detachable trunnion, universal rear eye, and various hinge styles. This assortment lets you adapt to existing frames or optimize new layouts, improving installation speed and reducing mechanical clearance concerns.
The cylinder features a 125 mm bore, 25 mm stroke, 7363 N theoretical force, and a magnetic piston rod with an anodised aluminium barrel. The piston rod is stainless steel (martensitic) for durability, and cushioning is provided by buffer systems to minimize impact. These specs support high-cycle, high-load applications with extended service life.
Maintenance is supported by service kits (QM/192125/00) for RA/192000 series and installation accessories (e.g., assembly kit QM/192125/55). Routine service reduces downtime and ensures consistent performance. Availability of spare parts and clear replacement intervals help protect total cost of ownership in continuous production environments.