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NINGBO WELCOME’s New LSQ-FF Line of Flat Faced (ISO 16028) Couplings

After more than one year’s design and testing, our new Flat Face coupling finally accepted by our customers.
New valve design. it cans resistance damage from high flow and the pressure of impulse that providing advanced performance. After we redesign them and our normal testing, and also We buy a punching machine to testing them and there is no leak.(because some of the customers give us the feedback, some of the our old Flat face hydraulic couplings, it used in horrid environment, it may result leakage). Now many our old customer introduce our NEW Flat face hydraulic couplings to their customers and there is no any leakage or any other problems.
New surface treatment. It can resist the salty spray testing for 200 hours to white rust and 400 hours to red rust.

About Ningbo Welcome
Ningbo Welcome is a worldwide provider of hydraulic quick disconnects and hydraulic components and also pneumatic fittings. With more than 28 years in the industry, Ningbo Welcome specializes in ISO standard coupling, flat face couplings and offers an exclusive one-year warranty against leakage. A complete catalog of products is listed online at, or For more information contact Holmbury at