Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B
The AirTAC Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B is a genuine push-lock speed controller, threaded elbow with push-lock adjusting cap (pom) and fixed tube direction, used to set the speed of a pneumatic cylinder by throttling its air.
- TypePush-lock speed controller, threaded elbow
- SeriesPTL
- Working pressure0 - 1.0 MPa (0 - 10 kgf/cm2)
- Proof pressure1.5 MPa
- AdjustmentPush-lock adjusting cap (POM)
- Temperature-20 to +70 °C
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B
The PTL1002B is a push-lock speed controller that throttles air in one direction and lets it run free in the other, so you set how fast an actuator moves without adding a separate needle valve. The code ends in B, which is meter-in: air flows unthrottled from the 1/4in PT thread port into the Dia 10 tube, while the return path from tube back to thread is the controlled side. AirTAC positions meter-in for single-acting cylinders, where the spring or gravity returns the rod and precise exhaust back-pressure is not needed.
Instead of a rotating knob, this PTL version carries a push-lock adjusting cap: press it in to release the spindle, set the orifice, press again and the cap locks the setting against machine vibration. The body is the PSL form factor, so the 1/4in thread seats into the port and the Dia 10 push-in union is fixed in one direction. It is rated 0-1.0 MPa, -20 to +70 C, and accepts soft nylon or polyurethane tubing. Note that a speed controller is not a shut-off device - even fully closed it weeps slightly by design; use a PHV finger valve where you need positive isolation.
Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B Technical Specifications
| Model | Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B |
|---|---|
| Type | Push-lock speed controller, threaded elbow |
| Series | PTL |
| Adjustment | Push-lock adjusting cap (POM) |
| Orientation | Fixed tube direction |
| Working pressure | 0 - 1.0 MPa (0 - 10 kgf/cm2) |
|---|---|
| Negative pressure | -750 mmHg (10 Torr) |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Applicable tubing | Soft nylon or polyurethane tube |
| Thread standard | PT (Rc tapered) unless the code says otherwise |
POM release button and chuck, aluminium-alloy guide, stainless spring gasket, NBR O-ring; body brass or PBT depending on the part. A speed controller is not a shut-off valve - a small leak past a fully closed needle is normal. Close it before applying air, and turn it open slowly. AirTAC publishes flow as a characteristic curve rather than a single figure, so no L/min value is listed.
Model Code: Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B
| PTL | Push-lock speed controller, threaded elbow. |
|---|---|
| 4 / 6 / 8 / 10 / 12 | Tube outside diameter in mm (3.2 mm exists on the mini series). |
| M5 / 01 / 02 / 03 / 04 | Thread: M5x0.8, 1/8", 1/4", 3/8", 1/2" (M3 on the mini series). |
| A / B | A = meter-out (controls flow from the thread port to the tube). B = meter-in. |
| D | Black. Blank = grey. |
Meter-Out or Meter-In?
- check Meter-out (A) is the default. It throttles the air LEAVING the cylinder, so the piston runs against a back-pressure cushion and moves smoothly.
- check Use meter-out on double-acting cylinders - it is the one AirTAC lists as first priority.
- check Meter-in (B) throttles air ENTERING the cylinder. It suits single-acting cylinders and air motors.
- check Meter-in on a double-acting cylinder tends to give a jerky, stick-slip stroke under varying load.
- check Fit the controller at the cylinder port, not at the valve, so the throttled volume is as small as possible.
Where the Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B Is Used
Single-acting clamp on a furniture press
A spring-return clamp cylinder pressing veneer onto cabinet panels is fed meter-in by the PTL1002B, so the free inlet stroke is fast and only the controlled return needs dialling in.
Carton ejector on a packing line
A Dia 10 single-acting kicker pushing rejected cartons off a conveyor gets its discharge rate trimmed at the port with the push-lock cap locked in place.
Lift assist on a lab bench hood
A counterbalance cylinder easing a glass sash down uses the meter-in throttle on the vent side to cap descent speed without restricting the power stroke.
Is the Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B the Right Part?
Match the control side to the actuator first. Meter-in (this B code) feeds a single-acting cylinder freely and throttles its discharge - correct for spring-return clamps and kickers. If you are driving a double-acting cylinder from a solenoid valve, choose meter-out (A suffix) instead, because throttling the exhaust creates a back-pressure cushion that prevents stick-slip under varying load. On the body, push-lock trades fast hand adjustment for tamper-resistant holding; the knob PSL is quicker to tweak during commissioning but easier to knock off setting.
Sizing within the PTL ladder: on the 1/4in thread, Dia 10 is the top of the range, so the only step down is the PTL0802B on Dia 8 - smaller bore, quicker cushion response, lower capacity. For Dia 10 tube with a larger port, step up the thread instead: PTL1003B (3/8in) or PTL1004B (1/2in). Whichever you pick, install the controller directly at the cylinder port so the throttled air volume stays small and response stays crisp. Tighten the push-lock cap to 0.16 N.m for the 1/4in size.
Quick checklist
- ✓ Tube outside diameter matches exactly
- ✓ Thread size and standard match the port
- ✓ Working pressure within 0 - 1.0 MPa (0 - 10 kgf/cm2)
- ✓ Temperature within -20 to +70 °C
- ✓ Meter-out (A) unless you know you need meter-in
Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B FAQ
Dia 10 mm push-in tube with a 1/4in PT thread, meter-in (B) control. Working pressure 0-1.0 MPa (0-10 kgf/cm2), proof pressure 1.5 MPa, usable vacuum to -750 mmHg (10 Torr), operating temperature -20 to +70 C. For soft nylon or polyurethane tubing. Push-lock cap torque for the 1/4in size is 0.16 N.m.
No. A speed controller is a flow-control device, and even fully closed it leaks slightly by design - it is not an isolation valve. If you need to positively shut off and vent a branch, use an AirTAC PHV finger valve, which is a true manual shut-off; the A version also vents its outlet to atmosphere when closed.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard parts are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC Speed Controllers
Request a Quote for Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002B
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.