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Technical Specification
PRODUCT NUMBER AC21EMAC51EMAC71EMAS71EMAC71EFACH62PBS21EMACH64AC91EF
Type CouplingCouplingCouplingCouplingCouplingCouplingCouplingCouplingCoupling
Drive 3/8"3/8"
Family PCL AirflowInstantAirPCL XF-EuroPCL XF-EuroPCL XF-EuroPCLVertex
Thread 3/8"3/8"3/8"3/8"3/8"3/8"3/8"3/8"3/8"

Q 1. What is the AC91EM?

A. The AC91EM is the PCL Vertex Coupling Male Thread R 3/8. The PCL AC91EM is a male-thread Vertex series quick-release coupling with an R 3/8 (BSPT) thread, manufactured in Sheffield to PCL's standards established since 1938 and supplied as part of the HORNGROUP range.

Q 2. What thread type is it?

A. Male.

Q 3. What thread size does it use?

A. R 3/8.

Q 4. What is the nominal bore?

A. 4.8 mm.

Q 5. What flow rate does it deliver?

A. 43 cfm @ 100 psi.

Q 6. What is the maximum working pressure?

A. 14 bar (200 psi).

Q 7. What temperature range can it operate in?

A. -40°C to 100°C.

Q 8. What coupling standards does it interchange with?

A. Cejn 295 / Rectus 19.

Q 9. What is it used for or with?

A. suitable for demanding workshop and industrial compressed-air applications where consistent flow and pressure integrity are required.

Q 10. Who manufactures it?

A. PCL (Pneumatic Components Ltd), the Sheffield, UK based world leader in tyre inflation and compressed air products, part of HORNGROUP.

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