Metal protective helix for cable and HPH
Urduga SM - metal protection system is one of the most commonly used protection options for high-pressure hoses and brake hoses in Russia driven by the high quality of our materials and traditional background.
Currently, we use two main types of wire to make a protective spiral:
- Galvanized wire
- Stainless steel wire
A wire type is selected based on operation conditions of a metal protective spiral for HPH and the budget planned for protected HPH manufacturing.
A metal spiral is applied directly to a high-pressure hose in process of manufacturing. It is also advised to use metal spiral completed with OSS textile protection.
How to choose a spiral for HPH?
There are several criteria for choosing a protective spiral for cable and high pressure hose:
- If hose or cable are used under normal conditions, choose the protection with internal diameter at least 2 mm larger than the nominal diameter of the cable.
- The length of protective spiral should be not less than the length of protected hose. Give an allowance for crimping sleeves.
- The spiral pitch should be not more than 5-7 diameters of the wire.
- The spiral should be installed on hose that is press-fitted on one end.
Note that installation of protective spiral should be carried out only by qualified personnel using specialized certified equipment.