
Left and Right Swing Valve Cylinder
Supplier Details
Hubei Jiaheng Technology Co., Ltd.
Free Member (2026)
[ Shiyan, HU,China ]
Business Type: Manufacturer
Supplier has 5 products
Product Description
The swing valve cylinder of the pump truck also known as the S-valve swing cylinder, directional cylinder, or distribution valve cylinder is a key hydraulic actuator that controls the left and right switching of the concrete distribution valve usually the S-valve or gate valve. Its function is to accurately, quickly, and reliably drive the swing of the distribution valve, so that the outlet of the concrete conveying cylinder alternately connects with the conveying pipeline, achieving continuous pumping of concrete.
Specification Parameters
Function
Drive the distribution valve swing accurately, quickly, and reliably
Cylinder Diameter
180mm -280mm
Stroke
2000mm -2300mm
Thrust
300 kN -800 kN
Rod Diameter
110mm -180mm
Working Pressure
28 MPa -35 MPa
Main Features
Double acting oil cylinder: alternate oil inlet/outlet on both sides of the piston, driving the piston rod to reciprocate extend/retract, corresponding to the left and right swing of the S valve, respectively.
Short stroke, high-frequency commutation: The stroke is short usually 200-300mm, but the commutation frequency is extremely high up to ten or even dozens of times per minute, requiring fast response speed, smooth commutation, and no impact.
Accurate position control: It is necessary to accurately stop at the end positions at both ends left and right swing positions, ensuring that the S valve port is completely aligned with the outlet of the conveying cylinder to avoid leakage or jamming. Mechanical limit or hydraulic buffering is often used.
Excellent sealing performance: Dynamic sealing piston rod sealing is crucial, as it must be able to withstand high pressure, high-frequency motion, and have minimal leakage. Internal leakage can cause slow and weak valve switching, while external leakage can pollute the environment and waste hydraulic oil.
Compact structure: usually installed near the valve group of the pumping system, with limited space, requiring a compact structure.
Connection method: The cylinder bottom and rod end are usually connected to the valve group swing arm or drive mechanism through earrings, forks, or pin shafts.
Our construction machinery hydraulic cylinder is a heavy-duty actuator designed to convert hydraulic energy into linear motion and force, powering the essential movements of construction equipment. These cylinders are widely used in machinery such as excavators, loaders, bulldozers, cranes, and concrete trucks to perform functions like lifting, pushing, steering, and digging. Built to withstand high pressure, heavy loads, and harsh working environments, construction machinery hydraulic cylinders are manufactured with robust materials, precision seals, and advanced surface treatments to ensure strength, durability, and long service life. They play a critical role in ensuring efficiency, safety, and reliability in construction operations.
Basic Information
About Us
Established in April 2001 and based in Shiyan, Hubei, HUBEI JIAHENG TECHNOLOGY CO., LTD. is a leading unlisted stock-limited company specializing in RD, production and manufacturing of various hydraulic cylinders, including special hydraulic cylinders, pump truck cylinders and truck-mounted crane cylinders.
With a plant area of 176,900 square meters and 820 employees including 82 RD engineers, it boasts strong comprehensive strength.
A national high-tech enterprise, it leads domestic technology with ISO/TS16949 certification, 47 utility model patents, 1 invention patent, and RD collaborations with universities and vehicle manufacturers.
It has an annual production capacity of 210,000 hydraulic cylinders, holds over 30% of the domestic market share for years, and has long-term partnerships with over 80 major companies like Zoomlion.
Honored as National Employment Advanced Enterprise and Outstanding Private Enterprise of Hubei Province, it is a well-known and influential hydraulic cylinder manufacturer in the industry.
