Water life jackets use the principle of buoyancy to save life, so the material should have a certain weight lifting buoyancy, anti-aging corrosion and have a certain strength. Life jacket floats are: polyethylene, polyvinyl chloride flexible foam, polyvinyl chloride, polystyrene rigid foam, kapok and so on. Divided into:
1, foam life jackets : water rescue and water use. Suitable for coastal, voyage, inland river crew passengers and water transport operations. Polystyrene is not suitable for marine vessels.
2, kapok life jackets : water rescue and anti-dumping use, limited to the inland river crew, passengers and water transport operations.
3, inflatable life jackets : water rescue and anti-dumping use, in addition to the crew outside the passenger ship.
4. Air-floating domestic life jackets : Suitable for water-falling or life-saving use by agricultural workers who weigh less than 65kg.
H Ground Screws also called Screw Piles in some countries and it means Ground Screw Piles with helical blades. There are kinds of Ground Screw piles on our ground screw factory. The first type of Screw Pile is Ground Screw Pile with one helical blade, the second type of screw pile is ground screw pile with two pieces helical blades, the third one is screw piles with three pieces helical blades. But ground screw piles one piece helical blade is very popular with our customers because the friction with the ground is more than other types and many customers like this type of ground screw piles. Ground screw with helical blades can be used to Solar Ground Mounting System, garden decorations, farming fixing and so on.
Ground screw pile made in China and as one of producer of ground screw pile, we will recommend you two types of screw piles as your reference. One is about ground screw pile with one piece helix blade and another is about ground screw pile with two pieces helix blades, which both can be used to solar panel structures. As one type of solar screw piles, is very hot product on Finland and Thailand. It also be installed to the ground by Pile Driver as the support of solar panels or solar mounting systems. Screw piles as the related solar energy products are very hot sale products and they are very stable as supporting.
Some types of ground screw we exported can be used to construction field. Ground Screw with Nuts and Ground Screw with Flange, both types of ground screw will be installed if you want to use ground screw in construction field. We produce diameter 114mm-335mm of ground screw and length 1600-4500mm as your choose if you would like to purchase ground screw using to kinds of buildings. If you need these Ground Screw Anchors , please let us know, we will do some plans for you according to your requirements. In addition, Hot dipped Galvanized Ground Screw can not easy to be rust and it can be keep more than 25 years and the material of construction ground screw is Q235/Q235B/Q345 as your need.
H Ground Screw
H Ground Screws, Helical Screw Piles, Helical Ground Screw Piles, Helix Ground Screw, Ground Screw Pile, Steel Helical Piles, Screw Piles, Screw Pile
Hebei Honde Industrial Trade Imp&Exp Co., Ltd. , https://www.groundscrewpile.com