Norgren RA/8320/M/320 ISO Tie Rod Cylinder - ISO 15552
Part Number: RA/8320/M/320
Quick Summary
Norgren RA/8320/M/320 is an ISO tie rod double-acting cylinder designed for precise linear actuation in manufacturing automation. In demanding environments, engineers often grapple with mounting flexibility and reliability, which can erode line throughput and increase maintenance costs. This cylinder conforms to ISO 15552, ISO 6431, VDMA 24562 and NFE 49-003-1, delivering standardised interchangeability and predictable performance. With a rugged anodised aluminium barrel, a stainless steel piston rod, and adjustable cushioning, it supports longer service life and reduced downtime, while a wide range of mountings simplifies installation across multiple cells.
Product Information
Extended Description
RA/8320/M/320 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
320 mm
Stroke Length
320 mm
Operation
Double acting
Cushioning
Adjustable cushioning
Magnetic/Non-magnetic
Magnetic
Theoretical Force
48228 N
Materials - Barrel
Anodised aluminium
Materials - Piston Rod
Stainless steel (martensitic)
Range
RA/8000/M
Series
ISO/VDMA Actuator
Brand
IMI Norgren
QM/8320/35
A - Front or Rear Stud Mounting 320mm bore
QM/8320/25
F - Piston Rod Clevis Mounting 320mm bore
QM/31/320/22
Switch mounting brackets, 320mm bore
QM/8320/33
UR - Universal Rear Eye Mounting 320mm bore
QM/8320/21
C - Foot Mounting 320mm bore
M/P19447
Wide hinge style SW, 320mm bore
QM/8320/23
D - Rear Clevis Mounting 320mm bore
QM/8320/28
H - Trunnion Mounting 320mm bore
QM/8320/22
BG - Front / Rear Flange Mounting 320mm bore
QM/8320/32
UF - Universal Piston Rod Mounting 320mm bore
QA/8320/00
Service kits for PRA/802, RA/802, PRA/182, RA/182, or RA/8000, 320mm diameter
QM/32/5
QM/32 magnetically operated reed switch, 5m cable
Feature: ISO/VDMA compliant design with a 320 mm bore; Business Impact: standardised interchangeability across facilities reduces spare parts variety and simplifies procurement; Application: automotive assembly lines and packaging systems where fast changeovers are common. Feature: Double-acting operation with adjustable cushioning; Business Impact: smooth starts and stops, minimized impact forces, extended seal life; Application: high-cycle indexing and precise positioning in material handling. Feature: Magnetic piston with stainless steel (martensitic) rod and anodised aluminium barrel; Business Impact: reliable position sensing compatibility and corrosion resistance for long service life; Application: demanding industrial environments with frequent switch integration. Feature: Theoretical force up to 48,228 N at rated pressure; Business Impact: enables high-force actuation without oversized cylinders, reducing system complexity; Application: heavy-load positioning and clamp mechanisms. Feature: Wide range of mountings (QM series) including front/rear stud, clevis, eye, flange and special brackets; Business Impact: installation flexibility lowers engineering effort and spare parts stock; Application: multi-point installations in conveyors and pick-and-place cells. Feature: Operating pressure 1–10 bar and temperature range -10 to 80 °C; Business Impact: broad process compatibility and consistent performance in varied plant conditions; Application: general-purpose automation across industries. Feature: Magnetic/Non-magnetic option with standard switches such as QM/32 reed switch; Business Impact: simple integration with control systems and reduced wiring complexity; Application: automated sensing in safety-critical sequences. Feature: Serviceability including compatible QA/8320/00 service kits; Business Impact: predictable maintenance and extended uptime through targeted parts replacement; Application: long-running production lines with scheduled maintenance windows.
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FAQs
The RA/8320/M/320 supports multiple QM mounting configurations designed for 320 mm bore cylinders, including front or rear stud mounting (QM/8320/35), piston rod clevis (QM/8320/25), switch brackets (QM/31/320/22), rear eye (QM/8320/33), foot mounting (QM/8320/21), and other variants like wide hinge and rear clevis. This provides flexible, quick-fit installation across machines and cells with minimal adaptor hardware.
Operating pressure is 1 to 10 bar (15 to 145 psi), enabling robust performance across standard pneumatic systems. The operating temperature range is -10 to 80 °C (14 to 176 °F), covering common plant conditions from cool automation rooms to modestly heated environments, ensuring stable actuation without external cooling or heating.
Yes. The cylinder is designed to ISO 15552 specifications, ensuring interchangeability with other ISO/VDMA actuators and compatible mounting kits. This standard compatibility simplifies stock management, reduces lead times for replacements, and accelerates machine rebuilds or line upgrades.
The barrel is made from anodised aluminium for corrosion resistance and light weight, while the piston rod is stainless steel (martensitic) for strength and wear resistance. The magnetic piston aids sensing without compromising performance, and the overall design supports long service life with adjustable cushioning to absorb shock in high-cycle operations.
Service and spare parts are supported through dedicated kits such as QA/8320/00, which cover service needs for PRA/802, RA/802, PRA/182, RA/182, and RA/8000 series cylinders. Additionally, a broad range of mounting and switch options (including QM/32 reed switches) simplifies retrofits and ongoing maintenance, helping to maximize uptime and minimize lifecycle costs.