Do you know how to seal of double ferrule fitting?

Hikelok double ferrule fitting series has passed ASTM F1387 test and ABS certification. The products have excellent sealing performance and are widely used.

1. Sealing principle

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(1) Insert the tube into the bottom of the fitting body, and mark the position line after the nut is tightened by hand;

(2) Tighten by hand to 1 / 4 turn, the front of the rear ferrule displaces along the rear oblique direction of the front ferrule towards the radial direction of the tube fitting, contacts with the tube fitting, and the front of the front ferrule displaces along the sealing direction of the fitting body towards the radial direction of the tube fitting;

(3) 1 / 4 turn to 1 / 2 turn, the front and rear ferrules are pushed forward, which interact with the tube fittings, and the surface of the tubing is slightly deformed;

(4) 1 / 2 to 3 / 4 turns, the ferrule advances, and the surface of the tubing is deformed. When the front of the front ferrule is in close contact with the tubing, the surface of the tubing will be polished to help realize sealing;

(5) 3 / 4 turn to 1 turn, the rear ferrule continues to be embedded into the tubing, and the interaction force between the sealing surface of the fitting body and the tubing continues to increase;

(6) 1 to 1-1 / 4 turns, the rear ferrule catches the tubing, and firmly fixes the ferrule at the sealing position to realize fastening and sealing.

Note: for 1 / 16, 1 / 8, and 3 / 16 foot, 2, 3, and 4 mm tube fittings, only 3 / 4 turn the nut during installation.

2. Hikelok double ferrule fittings features:

(1) Stainless steel, brass, carbon steel, aluminum, nickel copper alloy, Hastelloy, Inconel alloy and other materials are available.

(2) Sizes from 1 / 16 to 2in, 2mm to 50mm are optional

(3) Reliable sealing is often used in high pressure, vacuum and vibration occasions

(4) It is with detectability, and it is recommended to purchase it together with Hikelok gap detection gauge

(5) Meet the industry requirements, and the Hikelok double ferrule connector can be interchanged with Swagelok and Parker.

Note: When ordering, please be sure to confirm the working condition information such as material, medium and working pressure, so that Hikelok can provide you with safe and reliable fittings.

3.  Company display

Hikelok factory has more than 10 years of technology accumulation and rich application experience in various industries. It has obtained 5 national invention patents, 23 utility model patents and 13 factory qualification certificates. The products are sold in Asia, Europe, Africa, America and Oceania. It has sold well for many years and has been trusted by customers.

4. Personalized customization

If the product you need has special requirements on structure and installation, don't worry!  Hikelok will start personalized customization for you. From design, production, shipment to installation, professionals will provide you with exclusive services to meet your requirements.

5. After sales service

If you encounter any problems during use, please feel free to contact the after-sales personnel of Hikelok. We will learn the details at the first time, provide solutions within 24 hours, and follow up at any time until the problems are perfectly solved.

We guarantee that every product of Hikelok will reach you in the best state. Please feel free to buy!

For more ordering details, please refer to the selection manual on official website. If you have any selection questions, please contact 24-hour online professional sales personnel.


Post time: Feb-23-2022