
- Complete PSL code or an installed-unit photo
- Tube OD and M5/PT thread
- A meter-out or B meter-in adjustment orientation
- Clearance for the adjustment knob
PSL is an L-form push-in speed controller. Confirm tube size, M5/PT thread and A meter-out or B meter-in marking before RFQ.

PSL is the L-form speed-controller family. A identifies the published meter-out orientation and B the meter-in orientation; tube size and thread remain matching fields.
Product matching reference

Start with the installed label, dimensions, port or mounting details, and any current photo. These AirTAC sourcing or replacement push-in fitting...
Yes. These pages are built for direct sourcing, replacement matching, or China-source alternative review when only photos, partial codes, or...
PSL-L
PSL-L Add other models, quantities, photos, drawings, or a BOM. One request can cover several product groups.