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        • Lifecycle status

          Active / Available from OEM
          Apter Power supplies ASP530F-03-08S for suitable pneumatic circuits while treating machine load-holding safety as a separate design responsibility.

        ASP530F-03-08S

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        SMC ASP530F-03-08S helps control cylinder speed and temporarily hold position from one compact connection at the actuator port.
        In Stock
        Ships by Wednesday, September 30
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for ASP530F-03-08S

        • Manufacturer:
          SMC
        • Part Number:
          ASP530F-03-08S
        • Product Family:
          SMC
        • Product Type:
          ASP Speed Controller with Pilot Check Valve
        • Stock:
          1
        • Series:
          ASP
        • Function:
          Speed controller with pilot check valve
        • Body Size:
          5, 3/8 standard
        • Cylinder Port:
          R3/8
        • Pilot Port:
          Rc1/8
        • Tube O.D.:
          8 mm
        • Lock Nut:
          Hexagon
        • Weight:
          0.107 kg
        • Tariff Code:
          Please confirm the destination before shipping
        • Country of origin:
          Japan
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Circuit Fit Stop Boundary Service Checks Applications

        Features:

        • Combined circuit function: Speed control and pilot check behavior share one actuator-side component.
        • Compact tube connection: The elbow body and one-touch fitting simplify routing near a cylinder port.
        • Explicit holding boundary: Temporary stop capability is separated from safety-rated or long-duration load holding.
        ASP530F-03-08S meters cylinder exhaust while the pilot signal controls release of the check function.

        Residual air and normal leakage mean a stopped actuator can still move; risk assessment must provide independent protection.

        A valid installation proves speed, release and stopping behavior under the most demanding real load.

        Apter Power can help confirm the SMC ASP530F-03-08S ASP Speed Controller with Pilot Check Valve, port configuration and circuit role before quotation.
        SMC ASP530F-03-08S ASP Speed Controller with Pilot Check Valve Manuals,Datasheets,Link
        Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Meter-out role: Confirm the circuit is designed to control exhaust flow rather than supply flow.
        • Pilot source: The release signal must remain available and correctly sequenced in every intended machine state.
        • Port identity: Verify cylinder and pilot threads separately because they perform different functions.
        • Tube match: Use the specified tubing and prove insertion depth, retention and bend clearance.
        • Temporary stop: Treat the check function as process control, not as a personnel-safety restraint.
        • Leakage awareness: Internal or downstream leakage can allow gradual cylinder movement after stopping.
        • Stored energy: Residual pressure may produce unexpected motion when a line or fitting is released.
        • Independent protection: Use mechanical support or approved safety architecture where movement creates a hazard.
        • Drift diagnosis: Isolate cylinder seals, tubing leaks and check-valve leakage before replacing the component.
        • Speed setting: Adjust gradually under production load and verify both travel directions.
        • Pilot test: Confirm the release path reaches the valve when commanded and exhausts as intended.
        • Fitting inspection: Tube damage or poor insertion can imitate valve leakage and unstable motion.
        • Cylinder speed control: Tunes actuator motion close to the port while preserving compact tubing.
        • Process pauses: Supports temporary intermediate stopping when leakage and residual-energy limits are acceptable.
        • Fixture sequencing: Coordinates pneumatic motion with a pilot release signal in automated equipment.
        • Brownfield service: Replaces a documented ASP530F-03-08S after port and safety functions are reconfirmed.
        Description
        Where a cylinder needs both meter-out adjustment and a pilot-released check function, ASP530F-03-08S reduces separate fittings and shortens the local pneumatic path. It is commonly applied when controlled travel and a temporary stop are both needed near the actuator.

        The circuit must deliver and vent pilot pressure correctly for ASP530F-03-08S to release as intended. Verify the port thread, tube route and elbow orientation first, then set speed with the real moving load instead of an unloaded bench stroke.

        A pilot check can limit unintended motion, but ASP530F-03-08S is not a precision brake or a safety-rated holding device. Leakage, trapped pressure and external force remain possible, so safe isolation and stored-energy control must be provided at machine level.
        Alternative Names
        ASP530F0308S
        Technical notes
        Confirm the cylinder port, pilot port, tube size and meter-out circuit before installing ASP530F-03-08S. Exhaust pressure and lockout energy before work. Set speed from a restricted condition, then prove release and temporary stopping under the worst load. Provide separate safety measures where drift or unexpected movement could injure personnel.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        A cylinder using ASP530F-03-08S drifts during a long stop. Does this prove the unit is defective?
        No. Check cylinder seals, tubing and valve leakage; the component is not specified as a long-term holding device.
        Can ASP530F-03-08S alone protect technicians working beneath a raised pneumatic load?
        No. Isolate stored energy and provide approved mechanical or safety measures independent of the pilot check function.
        ASP530F-03-08S restricts motion in the wrong direction after replacement. What should be checked first?
        Confirm the meter-out orientation, cylinder port, pilot port and tube routing against the original circuit.
        The actuator will not restart after ASP530F-03-08S stops it. Which control path requires testing?
        Verify pilot pressure reaches the release port at the correct sequence point and that downstream exhaust is not blocked.
        A tube pulls out of ASP530F-03-08S during cycling. Which installation factors should be reviewed?
        Check tubing specification, cut quality, insertion depth, side load, bend radius and fitting damage before reuse.
        A supplier offers another ASP530F configuration for ASP530F-03-08S. What must match?
        Require the full port code, pilot thread, tube size, lock-nut configuration and intended meter-out circuit role.

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