Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002BD
The AirTAC Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002BD 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 PTL1002BD
The PTL1002BD is a push-lock universal speed controller with a Dia 10 mm tube outlet and a 1/4 in PT thread inlet, finished in black (the D suffix in the code). It sets actuator speed by restricting air in one direction while letting it run freely the other way. This is the B, meter-in version: flow from the thread port into the tube is free, and flow in the reverse direction is throttled. That makes it the right choice for a single-acting cylinder, where the return spring, not back-pressure, does the work and smooth filling is what prevents jumpy starts. AirTAC's own guidance still ranks meter-out as the default for double-acting cylinders, so reserve this B code for single-acting duties.
The universal body swivels 360 degrees on its thread, so the tube can approach from any angle without twisting the hose. Adjustment is a push-lock cap instead of a knurled knob: press, turn to the setting you want, release, and the cap is held against vibration. AirTAC publishes a cap tightening torque of 0.16 N.m for the 1/4 in push-lock size, the only torque figure in this range.
Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002BD Technical Specifications
| Model | Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002BD |
|---|---|
| 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 PTL1002BD
| 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 PTL1002BD Is Used
Carton sealer clamp cylinder
A single-acting spring-return clamp on a packaging carton sealer closes gently onto the flap when the meter-in fill is throttled, avoiding crushed board on light stock.
Bench-top press with air bellows
On a small pneumatic bellows press used for inserting bushings, the PTL1002BD slows the extend stroke so the operator can see seating begin before full force arrives.
Lifting gate on a paint line conveyor
A single-acting lift gate on a powder-coat conveyor drops on a spring; meter-in control of the raise stroke keeps the gate from snapping up and disturbing hanging parts.
Is the Airtac PTL Exhaust Throttle Type Speed Control Valve PTL1002BD the Right Part?
This code sits at the top of the PTL Dia 10 ladder for a 1/4 in port: the only smaller tube on the same 1/4 in thread is Dia 8, which suits lighter loads on shorter lines, while Dia 12 needs a step up to a 3/8 in PTL body. Stepping down the bore lowers the throttled volume and sharpens response; stepping to 3/8 in buys capacity for long tubing runs or bigger actuators.
Choose push-lock over a knob where the setting must survive vibration or a passing operator - the cap cannot be knocked out of adjustment. Choose the universal (swivel) body over the fixed PTL shape when the valve port is not aligned with your hose route. Fit the controller directly at the cylinder port so only the small volume between valve and actuator is throttled and response stays crisp. Threads are PT throughout this range.
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 PTL1002BD FAQ
The PTL1002BD is a Dia 10 mm push-lock universal speed controller with a 1/4 in PT thread, in black. Working pressure is 0-1.0 MPa (0-10 kgf/cm2), it tolerates negative pressure to -750 mmHg (10 Torr), proof pressure is 1.5 MPa, and the temperature range is -20 to +70 C. It is a B (meter-in) code: flow from thread to tube is free, flow from tube to thread is throttled. Applicable tubing is soft nylon or polyurethane.
Push the cap in, turn it to the desired restriction, and release so the lock engages; AirTAC specifies a cap torque of 0.16 N.m for the 1/4 in size, the only published torque in the PTL range. Unlike a fully closed speed controller, remember this part is not a shut-off valve - it can weep slightly when closed by design, so isolate the circuit elsewhere.
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