Norgren RA/8250/M/400 ISO tie-rod cylinder - ISO 15552
Part Number: RA/8250/M/400
Quick Summary
Norgren RA/8250/M/400 is an ISO tie-rod cylinder for high-load, precise linear actuation in automated production. Manufacturing teams often battle inconsistent stroke performance and downtime from inadequate cushioning and mounting options. Conforming to ISO 15552, ISO 6431, VDMA 24562 and NFE 49-003-1 supports interchangeability and safety in demanding lines. Used alongside wide mounting options, magnetized components and service kits, it reduces maintenance cost and downtime, boosting productivity. For engineers, it facilitates seamless integration with existing control systems and standardized mounting patterns. Procurement benefits from a rugged design and predictable lifecycle costs, supporting lean manufacturing and uptime targets. Its adjustable cushioning adapts to dynamic loads, reducing impact and vibration across cycling operations.
Product Information
Extended Description
RA/8250/M/400 Norgren: Conforms to ISO 15552, ISO 6431, VDMA 24562 and NFE 49-003-1 | High performance, ruggedness and reliability | Extensive range of mountings
Medium
Compressed air
Operating Temperature
-10 ... 80 °C, 14 ... 176 °F
Operating Pressure
1 ... 10 bar, 15 ... 145 psi
Standard
ISO 15552
Port Size
G1
Cylinder diameter
250 mm
Stroke Length
400 mm
Operation
Double acting
Cushioning
Adjustable cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
29436 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Range
RA/8000/M
Series
ISO/VDMA Actuator
Brand
IMI Norgren
M/P19446
Wide hinge style SW, 250mm bore
QM/8250/25
F - Piston Rod Clevis Mounting 250mm bore
QM/31/250/22
Switch mounting brackets, 250mm bore
QM/8250/33
UR - Universal Rear Eye Mounting 250mm bore
QM/8250/21
C - Foot Mounting 250mm bore
QM/8250/23
D - Rear Clevis Mounting 250mm bore
QM/8250/28
H - Trunnion Mounting 250mm bore
QM/8250/35
A - Front or Rear Stud Mounting 250mm/320mm bore
QM/8250/22
BG - Front / Rear Flange Mounting 250mm bore
QM/8250/32
UF - Universal Piston Rod Mounting 250mm bore
QA/8250/00
Service kits for PRA/802, RA/802, PRA/182, RA/182, or RA/8000, 250mm
QM/32/5
QM/32 magnetically operated reed switch, 5m cable
Feature: 250 mm bore with a 400 mm stroke and a stainless steel martensitic piston rod housed in an anodised aluminium barrel delivers high-force, repeatable actuation in demanding lines. Business Impact: Provides reliable performance under continuous cycling, reducing wear and improving cycle times. Application: Ideal for material handling, clamping and pick-and-place tasks in automated assembly. Feature: Adjustable cushioning and magnetic piston enable controlled deceleration and enhanced monitoring. Business Impact: Minimizes vibration, extends seal life and reduces mechanical stress on adjacent equipment. Application: Suited for precise stopping and predictable end-of-stroke behavior in robotic grippers and clamping stations. Feature: ISO/VDMA compatibility including ISO 15552 standard, standard port size G1, and a broad mounting range. Business Impact: Simplifies retrofit, reduces integration risk and enables standardized maintenance. Application: Works with common mounting patterns and control panels in packaging lines. Feature: Wide mounting options including M/P19446, QM series brackets, and rear eye or foot mounting. Business Impact: Maximizes installation flexibility and minimizes custom fabrication. Application: Quick adaptation to machine frames and tooling fixtures. Feature: Theoretical force of 29436 N supports heavy-duty strokes and high-load cycles. Business Impact: Increases throughput and reduces cycle time on high-force tasks. Application: Pressing, stamping and clamping operations in metalworking and material handling. Feature: Service kits QA/8250/00 and magnetic switch options provide easy maintenance and reliable sensing. Business Impact: Lowers lifecycle costs and enables faster diagnostics. Application: OEM maintenance programs and aftermarket support.
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FAQs
The RA/8250/M/400 ships with multiple mounting options including wide hinge style, piston rod clevis, rear eye, foot, and flange styles. Installation begins with selecting a compatible mounting pattern for the 250 mm bore, then aligning the cylinder along a straight-line axis and securing it with the appropriate brackets. Ensure porting is G1 and that cushions are adjusted to the load profile to minimize impact on adjacent components.
Key specifications include a 250 mm bore, 400 mm stroke, 1–10 bar operating pressure, and a theoretical force of 29436 N. The cylinder uses a magnetic piston and martensitic stainless steel rod within an anodised aluminium barrel, with adjustable cushioning. Port size is G1, and standard compliance is ISO 15552 with ISO 6431 and VDMA 24562 alignment.
Yes. The 250 mm bore and 29436 N force rating support high-load cycling, while adjustable cushioning reduces wear and vibration during end-of-stroke actions. The wide range of mountings and ISO/VDMA conformity simplify integration with existing packaging line frames and control systems, delivering reliable repeatability in pick-and-place tasks.
RA/8250/M/400 conforms to ISO 15552, ISO 6431, VDMA 24562 and NFE 49-003-1, ensuring interchangeability with other ISO/VDMA actuators and broad supplier compatibility. These standards support safe, predictable maintenance and easier retrofit across OEMs, even if your equipment fleet includes multiple manufacturers. Note: there is no SIL or CE certification listed in this specification.
Service kits QA/8250/00 provide components for PRA/802, RA/802, PRA/182, RA/182, or RA/8000 series cylinders, helping to minimize downtime during preventive maintenance. Combined with a magnetic reed switch option for sensing, these features reduce unexpected failures and extend service intervals, delivering lower lifecycle costs and higher uptime in automated lines.