The AirTAC AirTAC SDA63X50H Compact Cylinder | 63mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø63mm bore and 50mm stroke, PT1/4 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA63X50H is a double-acting, single-rod compact cylinder featuring a 63mm bore and 50mm stroke. It generates 1558.6 N of push force and 1401.5 N of pull force at 0.5 MPa. This H-suffix variant utilizes a fluororubber (FKM) seal for enhanced thermal and oil resistance. The riveted unibody design integrates the barrel, rear cover, piston, and rod to drastically reduce axial mounting depth where a larger round-body unit would fail to fit.
A 20mm piston rod couples to loads via an M10x1.5 female thread, with a PT1/4 port managing air supply. End-stopping relies on a fixed NBR bumper that decelerates the piston near stroke termination; it is not an adjustable air cushion. Because this specific SKU lacks the S option, it has no piston magnet and cannot support position sensing.
| Model | AirTAC SDA63X50H Compact Cylinder | 63mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø63 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Secures heavy cast iron engine blocks during machining operations, utilizing the 1558.6 N extend force to maintain rigid positioning against cutting forces.
Indexes empty wooden pallets into high-speed filling lines, where the compact riveted body saves valuable axial space within tight conveyor framing.
Raises and lowers material handling gates, safely managing vertical loads up to 79.4 kg with a 2:1 margin while benefiting from FKM seals in heated environments.
When sizing this unit, stepping down to the SDA50 yields 981.7 N of push at 0.5 MPa, while stepping up to the SDA80 provides 2513.3 N. For the SDA63X50H, the computed safe working load is approximately 935 N (about 60% of the 1558.6 N figure at 0.5 MPa), translating to a vertical lift capacity of roughly 79.4 kg with a 2:1 safety margin. Confirm your ordering essentials: 63mm bore, 50mm stroke, PT1/4 port, female rod thread, and FKM seals.
Note that a standard compact actuator will not hold a load if air pressure drops or the valve is centered. The piston will drift, as the fixed bumper only decelerates near the stroke end rather than acting as a locking brake. To suspend a load safely without live pressure, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
Quick checklist
This double-acting cylinder outputs 1558.6 N push and 1401.5 N pull at 0.5 MPa. At 0.7 MPa, push increases to 2182.1 N and pull to 1962.2 N. The theoretical maximum push is 318 kgf at 1.0 MPa. Operating pressure ranges from 0.15-1.0 MPa, with a speed of 30-500 mm/s.
No, this specific SKU lacks the S option, meaning it has no piston magnet and cannot trigger AirTAC reed or electronic switches. You would need the SDA63X50HS variant for position sensing. Additionally, end stopping uses a fixed NBR bumper, not an adjustable cushion.
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