Female Adapter 3/8 x 1/4 (NPTF Thread)

John Guest female adapter 3/8" × 1/4 NPTF

Fitting to connect 3/8" (9.5 mm) tube to a component with a 1/4 NPTF thread. It enables a direct transition between push-fit tubing and threaded connection.

Compatibility

The tube must be 3/8" and the component must use a 1/4 NPTF thread. Check the equipment identification before assembly.

Application

It can be used in compatible dispense systems, including setups where it is necessary to adapt a tube line to an NPTF connection.

Installation

Work with no pressure in the line, cut the tube square, insert it fully and assemble the thread without cross-threading. Check for leaks before putting into service.

Frequently asked questions

Is it suitable for 3/8" tube?
Yes, 9.5 mm outside diameter.

Is it BSP?
No, the spec sheet refers to NPTF.

Does it need a clamp on the push-fit side?
The tube connection is made using the fitting’s push-fit system.

What should I check if the tube won’t go in?
Actual outside diameter, cut of the end, and absence of deformation.