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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £34.99 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £34.99 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £8.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £34.99 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £24.99 | 7 to 10 working days |
Product Number: AC21EF-PK5
This pack contains five identical PCL AC21EF couplings, supplied together to fit out several airline outlets or keep spares on the shelf in one order.
Incompatible or worn airline fittings cause pressure loss and slow down workshop productivity. The PCL AC21EF is a quick-release coupling in the Airflow series, female thread, Rp 3/8, manufactured in Sheffield and part of a design lineage dating back to 1938.
The Airflow range delivers a 4.8 mm bore with a rated flow of 43 cfm at 100 psi, making it well suited to high-demand compressed-air applications where consistent flow matters. Maximum working pressure is 14 bar (200 psi), and the operating temperature range spans -40°C to 100°C, covering most workshop and industrial environments. The coupling is interchangeable with Cejn 295 and Rectus 19 series fittings, which broadens its compatibility across mixed-brand airline systems.
The female Rp 3/8 thread designation means the AC21EF accepts a male Rp 3/8 threaded fitting or adaptor. As part of the Airflow series, this coupling is offered alongside male-thread and hose-tail variants in multiple thread sizes, allowing a consistent and leak-resistant airline system to be assembled from a single product family.
Manufactured in Sheffield, UK, by PCL — part of HORNGROUP — since 1938. No box contents or warranty terms are specified in the available source data.
Product Features :
Female quick-release coupling, Rp 3/8 thread
Airflow series bore: 4.8 mm
Rated flow: 43 cfm at 100 psi
Maximum working pressure: 14 bar (200 psi)
| Pack Contents | 5 x PCL AC21EF Airflow Coupling Female Thread Rp 3/8 |
|---|---|
| Pack Quantity | 5 |
| Brand | PCL |
| Number | AC21EF |
| Thread Type | Female |
| Thread Size | Rp 3/8 |
| Nominal Bore | 4.8 mm |
| Flow Rate | 43 cfm @ 100 psi |
| Maximum Working Pressure | 14 bar (200 psi) |
| Temperature Range | -40°C to 100°C |
| Interchange | Cejn 295 / Rectus 19 |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £8.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 05517 | 23200 | 23201 | 23202 | 25832 | 25790 | 25793 | 25814 | 25815 | 37828 | 37829 | 37830 | 37831 | 37832 | 37833 |
| Type | Coupling | Coupling Adaptor | Coupling Adaptor | Coupling Adaptor | Coupling | Coupling | Coupling Adaptor | Spare Part | Spare Part | Coupling | Coupling | Coupling | Coupling | Coupling | Coupling |
| Size | 25mm | 50mm | 75mm | ||||||||||||
| Drive | 3/8" | 1" | 1/4" | 1/4" | 3/8" | 1/2" | 1/2" | 1/4" | 3/8" | 3/8" | 1/2" | 1/2" | 1/4" | ||
| Family | PCL | PCL | PCL | PCL Airflow | PCL Airflow | PCL Airflow | PCL Airflow | PCL Airflow | PCL Airflow | ||||||
| Pack Qty | 5 | ||||||||||||||
| Size Range | 11-25mm | 26-50mm | 51-100mm | ||||||||||||
| Thread | 3/8" | 1/4" | 1/4" | 3/8" | 1/2" | 1/2" | 1/4" | 3/8" | 3/8" | 1/2" | 1/2" | 1/4" | |||
| Show More | |||||||||||||||
A. Five identical PCL AC21EF couplings, supplied together in one order.
A. The AC21EF is the PCL Airflow Coupling Female Thread Rp 3/8. The PCL AC21EF is a quick-release coupling in the Airflow series, female thread, Rp 3/8, manufactured in Sheffield and part of a design lineage dating back to 1938.
A. 4.8 mm.
A. Every product comes with a different guarantee and warranty. Warranty details are shown in the product's tech specs or datasheet where available.
A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase. Before returning an item, please contact us at [email protected] to obtain a Return Merchandise Number (RMN).
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