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AirTAC SGC Series · Large-Bore ISO 15552 Cylinder

Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S

The AirTAC Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S is a genuine double acting, adjustable stroke ISO 15552 (orig. ISO 6431) tie-rod air cylinder with a Ø125mm bore and 1000mm stroke, G1/2 air ports and adjustable end cushioning. Its large-bore tie-rod build delivers high thrust and drops into standardized ISO 15552 mounting on heavy automation.

  • BoreØ125 mm
  • Stroke1000 mm
  • Port sizeG1/2
  • Acting typeDouble acting, adjustable stroke
  • Rod threadM27×2.0
  • CushionAdjustable, 40 mm
$508.77 $516.27Save 1% Made to order — confirm lead time
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About the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S

Delivering 6136 N of push force at 0.5 MPa, this large-bore ISO 15552 tie-rod cylinder features a 125 mm bore and a 1000 mm stroke. Four steel tie rods clamp the aluminum barrel to the covers for high structural rigidity, and the genuine ISO 15552 mounting interface guarantees dimensional interchangeability with standard large-bore fixtures. The -75 code means an external adjuster can shorten the extend stroke on site by up to 75 mm, yielding a usable extend range of 925 to 1000 mm while the retract end remains fixed. This lets you fine-tune the end position without physically swapping the cylinder.

The integrated -S magnet supports CMSG, DMSG, and EMSG position switches for electronic or reed sensing. It uses a G1/2 air port, an M27x2.0 rod thread, and 40 mm adjustable air cushions at both ends. In practical terms, it handles a safe working load of about 3682 N, which translates to lifting roughly 313 kg vertically with a 2:1 safety margin. Standard TPU seals offer long life, though a Viton H option extends the operating temperature range up to 150 C. Note that the cushion only decelerates the piston; a plain cylinder drifts on air loss, so fit an external rod lock or pilot-operated check valve if you need to hold a load.

Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S Technical Specifications

ModelAirtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S
SeriesSGC ISO 15552 tie-rod cylinder
Bore sizeØ125 mm
Stroke1000 mm
Acting typeDouble acting, adjustable stroke
Port sizeG1/2
Rod threadM27×2.0
FluidAir (filtered by 40µm element)
Operating pressure0.15 – 1.0 MPa
Proof pressure1.5 MPa
Temperature-20 to +70 °C
Speed range30 – 500 mm/s
CushionAdjustable, 40 mm
Max standard strokeUp to 1500 mm

Specifications follow the official AirTAC SGC datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Thread options: PT (blank) / G. TPU seals are not available for the Ø250 bore (NBR / Viton only).

Theoretical Output Force (Ø125mm)

PressurePush forcePull force
0.5 MPa6136 N5734 N
0.7 MPa8590 N
Max (@1.0 MPa)1251 kgf

Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.

Model Code: Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S

SGCJISO 15552 tie-rod cylinder (adjustable-stroke type).
125Bore size in mm (125 / 160 / 200 / 250).
×1000Stroke length in mm.
-SOptional built-in magnet for CMSG / DMSG / EMSG sensors.

SGC-family variants: SGC (double acting), SGCD (double rod), SGCJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / FTC / TCM1 / TCM2. Seals: TPU (blank) / Viton H / NBR N.

Where the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S Is Used

conveyor_belt

Stopper Gate Adjustment

Trimming the extend stroke by up to 75 mm on-site allows precise calibration of a heavy conveyor stopper gate without changing the physical cylinder mounting.

warehouse

Pallet Positioning Pusher

Fine-tune the end position of a pallet pusher over a 925 to 1000 mm window to accommodate varying pallet widths while maintaining 6136 N of thrust.

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Long-Stroke Press Lowering

Safely lowering heavy platens using adjustable 40 mm cushions, with the external adjuster allowing exact bottom-dead-center calibration for the press operation.

Is the Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S the Right Cylinder?

When sizing this 125 mm bore unit, stepping down is not an option as it is the smallest in the SGCJ family, but stepping up to the 160 mm bore increases the 0.5 MPa push force to 10053 N. The adjustable stroke is highly beneficial for sharing a single spare cylinder across multiple stroke variants or for final on-site end-position tuning. Mounting choices include Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets. Because this unit has a 1000 mm stroke, you must provide external guide support to prevent rod bending and excessive side loading. The -S suffix confirms the piston magnet is present for CMSG, DMSG, or EMSG sensors.

Quick checklist

  • ✓ Required force at your working pressure
  • ✓ Stroke and mounting space
  • ✓ Port/thread type (PT / G / NPT)
  • ✓ Magnet (-S) for sensors?
  • ✓ Long-stroke side load — support the rod end
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Installation & Maintenance Notes

  • check Use clean air filtered to 40µm or finer.
  • check Keep within 0.15 – 1.0 MPa operating pressure.
  • check Avoid side load; support long strokes at the rod end.
  • check Set cushions to minimum, then release gradually.
  • check Use correct mounting accessory (LB/FA/FB/CA/CB/CR/TC).
  • check Installation by qualified personnel per AirTAC docs.

Airtac SGCJ125~160 Adjustable Cylinder SGCJ125X1000-75S FAQ

This 125 mm bore cylinder uses a G1/2 air port. It generates 6136 N push and 5734 N pull at 0.5 MPa, 8590 N push and 8028 N pull at 0.7 MPa, with a theoretical maximum force of 1251 kgf at 1.0 MPa.

The external adjuster lets you shorten the extend stroke on-site by up to 75 mm from the 1000 mm nominal maximum, giving a usable extend range of 925 to 1000 mm. The retract end is fixed, and this mechanism sets the end position rather than acting as a load lock.

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Large-bore cylinders built to order — confirm lead time.

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