2026-Zhejiang Duojia Hydraulic Co., Ltd.

Zhejiang Duojia Hydraulic Co., Ltd. is an integrated manufacturer integrating design, development, production and service, specializing in valve inspection equipment, valve test benches, valve testing machines and valve pressure testing machines. Boasting strong technical capacity and professional technical personnel, the company adopts high-tech processing technologies and inspection methods to manufacture various DYFJ series hydraulic valve test benches. All test benches manufactured by Zhejiang Duojia Hydraulic Co., Ltd. are produced in strict accordance with national standard GB/T 13927-92 Pressure Testing of General Purpose Valves and Ministry of Machinery Industry standard ZBJ16006-90 Valve Testing and Inspection. Featuring advanced technology, complete functions, compact structure, easy operation and high automation, the equipment is widely used for strength and water (gas, oil) tightness tests of high, medium and low pressure valves with flange or thread connections (nominal diameter DN15–1000 mm), including ball valves, gate valves, globe valves, butterfly valves, check valves, diaphragm valves, plug valves, throttle valves and pneumatic control valves. The whole testing process is automatically controlled by the hydraulic system. During testing, no extra external force is exerted on the test valve. The equipment greatly improves work efficiency and reduces labor intensity. With sophisticated design and reliable quality, it has earned wide recognition for its excellent performance. Adhering to the corporate tenets of “Technology Comes from Innovation” and “People-Oriented, Customer First”, Zhejiang Duojia Hydraulic Co., Ltd. has established a sales network covering major cities nationwide. We cater to diversified customer demands and provide comprehensive pre-sales and after-sales services. We are ready to cooperate sincerely with partners from all walks of life with premium products and quality services to create a promising future together!