About Us

Yongjia Deli Electromechanical Hydraulic Industry Co.

Yongjia Deli Electromechanical Hydraulic Industry Co., established in 1994, specializes in developing, manufacturing and exporting all kinds of valve test benches, valve grinding machines and ball grinding machines. Our valve test benches are mainly used to perform valve pressure test (valve shell and seat pressure tests) with both water and air and valve open-close torque (valve open-close lifespan) test on all kinds of valves, according to international valve testing standards of API598, 6A, 6D etc. The max. water test pressure can be 210MPa, the max. gas (air) test pressure can be up to Class4500(76MPa), the max. test valve open-close torque can be up to 100000N.M
Our products are widely applied for valve testing and repairing in the industries, such as oil fields, gas projects, petrochemical industry, power stations, water supply system etc. Welcome to learn about and select our products for use!

NEWS & CASES

Intelligent and combined type butterfly valve test bench of model YFS-DL350/800(combined type) was delivered.
14Oct
Intelligent and combined type butterfly valve test bench of model YFS-DL350/800(combined type) was delivered.

The intelligent and combined type butterfly valve test bench of model YFS-DL350/800(combined type) that our company specially designed and manufactured for China national navy user has passed rigorous acceptance inspection by the user's technical representatives, and has been loaded and delivered to the national naval valve testing center. This machine was specially designed and manufactured in combined type, that is, one control station controls one small and one big workbenches, and equipped with special valve-semi-opened type top and bottom sealing plates, and can be used for testing both marine and ordinary butterfly valve test bench with nominal size range DN50-DN800 and nominal pressure PN6-PN64.

Big valve test bench successfully passed Brazilian customer’s inspection and was shipped to Brazil
28Sep
Big valve test bench successfully passed Brazilian customer’s inspection and was shipped to Brazil

Our big valve test bench has successfully passed our long-term cooperative Brazilian customer’s rigorous inspection and received great praise from them. And recently it has been packed, loaded and shipped to Brazil well.

Valve test bench was packed, loaded and shipped to Spain
03Aug
Valve test bench was packed, loaded and shipped to Spain

The high quality valve test bench(with both working tables turnable by 90 degrees) was packed, loaded and shipped to Spain. The machine can be used for testing DN80-300(3”-12”) straight type 2-way flange end valves(ball, gate, globe and check valves). Both sides of working tables of the machine can be turned by 90 degrees, which is easier for the operators to watch both sides valve seat pressure test. And the machine was specially manufactured and certified according to CE standard.

Quality valve test bench and ball grinding machine are loaded and shipped to Brazil
29Jun
Quality valve test bench and ball grinding machine are loaded and shipped to Brazil

Intelligent type valve test bench(for testing DN80-400 flange end valves with water pressure up to 70MPa and air pressure up to 20MPa) and single-headed type ball grinding machine(for grinding balls of ball valves with size range DN80-200) are delivered and exported to Brazil.