China Professional KWB Double Acting Hydraulics Cylinder with End Plug Hole with Free Design Custom

KWB Double Acting Hydraulics Cylinder with End Plug Hole

Product Description

The ultimate guide to hydraulic cylinders
Hydraulic cylinders, also known as ‘hydraulic rams,’ get power from pressurized hydraulic fluid, normally hydraulic oil.
The hydraulic cylinder consists of a cylinder barrel, in which a piston connected to a piston rod moves back and forth. The barrel is closed on each end by the cylinder bottom – also called the cap end – and by the cylinder head where the piston rod comes out of the cylinder. The piston has sliding rings and seals. The piston divides the inside of the cylinder in 2 chambers, the bottom chamber, the cap end, and the piston rod side chamber, ‘rod end’. The hydraulic pressure acts on the piston to do linear work and motion.
Flanges, trunnions, and/or clevises are mounted to the cylinder body. The piston rod also has mounting attachments to connect the hydraulic cylinder to the object or machine component that it is pushing.
A hydraulic cylinder is an actuator or ‘motor’ side of the system. The ‘generator’ side of the hydraulic system is the hydraulic pump which brings in a fixed or regulated flow of oil to the bottom side of the hydraulic cylinder, to move the piston rod upwards. The piston pushes the hydraulic oil in the other chamber back to the reservoir. If we assume that the oil pressure in the piston rod chamber is approximately zero, the force on the piston rod equals the pressure in the hydraulic cylinder times the piston area (F=PA).
The piston moves downwards if oil is pumped into the piston rod side chamber and the hydraulic oil from the piston area flows back to the reservoir without pressure. The pressure in the piston rod area chamber is (Pull Force) / (Piston Area – Piston Rod Area).


Company Information

EVER-POWER., founded in 2002, is located in Hangzhou City, 1 of the main manufacturers and exporters of hydraulic cylinders in China. With high-quality products and services, we have won a trustworthy reputation with customers all over the world based on mutual benefit. We firmly believe that reputation and customers are our top priorities. Through 16 years of efforts, we have won customers’ trust at home and abroad. At present, Jinwei hydraulic components have been exported to more than 30 countries and regions such as the United States, Canada, Russia, Poland, Germany, Italy, France, Austria, Brazil, and Colombia. Jinwei hydraulic cylinder has reliable quality, stable performance, and durability. It is completely interchangeable with the original parts. At the same time, through our own product designers, we can provide customized products and accept OEM orders. We will continue to develop new products and improve our services. If you are interested in any of our products or need any similar products, please contact us or visit our website for more details. We look forward to the opportunity to become your supplier shortly


Our specialized staff is at your disposalfor technical consultancy relating your project and the best type of materials touse based on your application . We mostly work on drawing , preparing personalized projects according to customer needs

Once the project is defined , we produce our technical drawing by CAD 2D-3D systems and supply it to our customer for approval

Raw Materials

An accurate raw materials and seal selection bring to save costs and allow to produce high quality and powerful cylinders. For that reason, in the choice of the material, we consider the application field of our cylinder and the environment where it will work. Specifically for chromed bars and tubes,we work only with producers or reliable suppliers

Cylinders Production

We produce about 120.000 cylinders per year, and the whole process develops in our factory: cutting of raw materials, turning and milling machining, components and accessories welding, cylinders mounting, and final testing.

All the above steps are made with the latest generation CNC machines, welding robotized stations, and specially made equipment.