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

Quality ball grinding machines are packed and shipped to Australia
10Oct
Quality ball grinding machines are packed and shipped to Australia

The three ball grinding machines of Model QTMJ-150, Model QTMJ-300 and QTMJ-500(Single-headed type with adjustable grinding speed by frequency converters and displayed with digital meters) are specially designed and manufactured for grinding the customer’s balls of ball valves with size range DN50-150, DN200-300 and DN350-500.

Three special and vertical type valve test benches are loaded and shipped to Taiwan
31Mar
Three special and vertical type valve test benches are loaded and shipped to Taiwan

The three special and vertical type hydraulic valve test benches of model YFS-D80, model YFS-L300 and model YFS-L600 are specially designed and manufactured for testing the Taiwan customer’s flange and weld end valves(ball, gate, globe and check valves) with nominal size range DN15-600(1/2”-24”) and nominal pressure range PN25-PN250(Class150-Class1500).

Intelligent type big valve test bench is shipped to Taiwan
31Oct
Intelligent type big valve test bench is shipped to Taiwan

The intelligent type hydraulic valve test bench of model YFS-D600(Horizontal and big type) is specially designed and manufactured for testing the customer’s big size flange and weld end valves(ball, gate, globe and check valves) with nominal size range DN150-600(6”-24”) and nominal pressure range PN25-PN420(Class150-Class2500). The machine has the maximum clamping force(reaction force) 950 Tons.

Big Test Bench Working in Taiwan
24Mar
Big Test Bench Working in Taiwan

Hydraulic Valve Test Bench of Model YFS-D750(Horizontal and large type):
The test bench is specially designed and manufactured for Taiwan customer for testing both flange and weld end high pressure valves(ball, gate, globe and check valves) with valve size range DN200-750(8”-30”) and nominal pressure range Class150-2500(PN25-PN420).