IMI Norgren RT/57250/M/50 Roundline Cylinder - 50 mm Stroke

Part Number: RT/57250/M/50
Manufacturer
Norgren
Part number
RT/57250/M/50

Quick Summary

RT/57250/M/50 Roundline cylinder provides reliable double-acting actuation for compact automation tasks. Engineers often contend with tight installation envelopes and wear-prone seals that drive maintenance and downtime. The Roundline family supports CE marking, rugged IP-rated enclosures, and SIL-ready safety configurations to meet European and industrial standards. Its stainless steel construction, magnetic piston, and buffer cushioning translate into longer life and consistent performance in demanding applications, helping you reduce downtime and optimize cycle times in pneumatics and fluid systems.

Product Information

Extended Description

RT/57250/M/50 Norgren: Saves 20% space over the basic length of a corresponding ISO/VDMA cylinder | Low friction, long life seals | High strength, double crimped end cap design | Standard magnetic piston for full control system versatility
Medium
Compressed air
Operating Temperature
-10 ... 80 °C, 14 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Port Size
Rc1/4
Cylinder diameter
50 mm
Stroke Length
50 mm
Operation
Double acting
Cushioning
Buffer cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
1178 N
Materials - Barrel
Stainless steel (austenitic)
Materials - Piston Rod
Stainless steel (martensitic)
Dimensions - Height
52.5 mm
Dimensions - Length
169 mm
Dimensions - Width
52.5 mm
Weight
0.545 kg
Country of Origin
Czechia
Range
RT/57200/M
Series
Roundline
Brand
IMI Norgren
C01250828
Pneufit C Push-in fitting, Adaptor, Straight, External/Internal hex, 8mm, R1/4
C01470828
Pneufit C Push-in fitting, Adaptor, 90° Swivel elbow, 8mm, R1/4
C0TA00828
Pneufit C Push-in fitting, Banjo flow control, Out, 8mm, R1/4
QM/57050/21
C - Foot Mounting 50mm bore
QM/8040/38
AK - Piston Rod Swivel Mounting 40mm/50mm bore
QM/57040/25
F - Piston Rod Clevis Mounting 40mm bore
QM/55240/28
H - Trunnion Mounting 40mm bore
M/P1501/90
Nut Style N
QM/8040/32
UF - Universal Piston Rod Mounting 40mm bore
QM/33/050/22
Switch mounting brackets, 50mm bore
M/50/LSU/5V
M/50 magnetically operated reed switch, 5m cable
M/3314
Tube cutter
PA2-0008025C
Polyamide tube, Natural, 25m, 8mm/6mm
PA2-0008100
Polyamide tube, Natural, 100m, 8mm/6mm
The 50 mm bore and 50 mm stroke deliver a compact footprint that saves valuable space in control panels and automated cells, enabling denser layouts without sacrificing force. This translates to a lower total cost of ownership through reduced equipment footprint and easier integration with ISO/VDMA equivalents in modern machines. With a standard magnetic piston, you gain immediate sensing compatibility for open-close feedback, enabling faster commissioning and more reliable control loops in pick-and-place and clamping applications. Buffer cushioning and low-friction seals cut wear and leakage, delivering longer service intervals and lower maintenance costs in high-cycle environments such as transfer lines and machining centers. The stainless steel barrel and piston rod resist corrosion in challenging environments, boosting durability for washdown or outdoor installations while maintaining tight tolerances. The Rc1/4 port and 1–10 bar operating range provide flexible, plug-and-play compatibility with Pneufit C fittings and common tubing, reducing spare parts diversity and accelerating setup. A broad mountings portfolio—including foot, swivel, clevis, and trunnion options—speeds installation and ensures precise alignment across multiple axes, minimizing misalignment risks and vibration. This makes RT/57250/M/50 ideal for machine tending, clamping, and short-stroke actuations where space, reliability, and sensing are critical.

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FAQs

RT/57250/M/50 supports a wide range of standard mountings, including foot mounting, piston rod swivel, clevis, and trunnion configurations. These options align with the QM mounting catalog (for example QM/57050/21, QM/8040/38, QM/57040/25, QM/55240/28, QM/8040/32) to simplify installation, ensure proper alignment, and reduce setup time in automated cells and machine frames.
Core specs include a 50 mm bore, 50 mm stroke, double-acting operation, Rc1/4 port, operating temperature range from -10 to 80 °C, and a 1–10 bar working pressure range. The unit features a magnetic piston and stainless steel barrel/rod, delivering a theoretical force of 1178 N to support reliable actuation in demanding tasks.
Yes. The cylinder is compatible with Pneufit C push-in fittings such as C01250828, C01470828, and C0TA00828, and supports standard tubing like PA2-0008025C and PA2-0008100. This common fittings ecosystem simplifies procurement, reduces stocking variety, and accelerates installation on new lines or retrofits.
Mounting versatility is key; use the foot, swivel, clevis, or trunnion configurations to ensure robust alignment. For sensing, the available M/50 LSU reed switch with a 5 m cable provides straightforward integration with existing control systems, enabling reliable position feedback and reduced commissioning time in automation projects.
The Roundline design emphasizes low-friction, long-life seals and buffer cushioning, which extend service intervals and reduce replacement costs. Space savings up to 20% compared with longer ISO/VDMA cylinders enable smaller footprints and faster line throughput. Combined with magnetic sensing for easier monitoring, these attributes contribute to lower downtime and improved total cost of ownership in automated manufacturing.