///New HP tubes do not seal after making them
HP tubing, fittings & swivels

New HP tubes do not seal after making them

Self-made tubes must have a correct cone and thread.

Safety first: Switch off the pump, release all pressure (open the on/off valve or bleed-down valve) and lock out before you open any high-pressure part. Never put a hand or tool near a running jet.
1Check the causes, most likely first 0 of 2 checked
01Poor cone angle or finish Most likely

A rough or wrong cone leaks.

How to check: Use sharp coning tools.

PhotoArt. no.DescriptionReplaces OEMExcl. VAT
10376 Vee Block Cradle, 20484961
KMT, BFT, WSI
KMT 20484961 · BFT 1100037 € 126.00
10873 Threading Die 1/4", 05108899
ToolKMT, BFT, Flow, H2O
05108899 € 118.80
10874 Threading Die 3/8"
ToolKMT, BFT, H2O, Bystronic
— € 118.80
10875 Threading Die 9/16"
ToolKMT, BFT, Flow, H2O
KMT 10078301 € 118.80
11045 Tube Vise, 1/4", 05108782
TubeKMT, BFT, Flow, H2O
KMT 05108782 · KMT 05108782 Ask for availability € 138.00

02Damaged thread Possible

A bad thread loosens the collar.

How to check: Use a good threading die.

Related problems

General advice based on manufacturer manuals and service practice. Always follow the manual of your machine. Not sure? .