[FLUXLOK] Lok Fitting - Female Connector NPT
HIFLUX Lok Fitting (FLUXLOK) can be applied for various industries such as chemical, petrol chemical, waterjet , fliud research industries, gas and oil industries.


ㅡ (Straight) Type connection for one tubing with male NPT.
Double ferrule design NPT Male connector.
Designed based on ANSI B31.1, 31.3 standard.
Available to use for low temp to high temp.
Fitting components provide exceptional dimensional, metallurgical, and mechanical uniformity that allow predictable, repeatable installation.
Meet NPT (National pipe thread) threads standard.
Possible to measure consistent with the first installation.
Used ASTM A479 Stainless steel 316 for straight type of fittings.
Used ASTM A182 forged Stainless steel 316 for elbow, tee and cross type of fittings.

(unit:mm)

Lok Fitting - Lok Fitting - Female Connector NPT
As all sizes are for reference, they can be changed without any notification.
Please contact us for details or send to online inquiry, we will give you respond as soon as possible.


The two ferrules separate sealing and tube gripping functions : each ferrule is optimized for its function.
The front ferrule creates a seal : against the fitting body, on the tubing outside diameter.
As the nut is turned, the back ferrule : axially advances the front ferrule, radially applies an effective tube grip.
1. Fully insert the tube into the fitting and against the shoulder; rotate the nut finger-tight.
2. Mark the nut at the 6 o’clock position.
3. While holding the fitting body steady, tighten the nut one and one-quarter turns to the 9 o’clock position.
FLUXLOK is brand for Lok fitting of HIFLUX Co., Ltd.
Suitable for chemical, oil refining, research, oil and gas companies, this product is used for various pressures.
Has not torque transition for tubing in installation.
Can be checked and inspected easily during the first installation.

for the most effective fitting, we recommend you to use HIFLUX Fitting Accessory and Tubing.