Naisi Metalworks (Zhejiang) Co., Ltd. was founded in 2010 and is located in Wenzhou, Zhejiang, the birthplace of small and medium-sized enterprises; The company is a professional manufacturer of valve...

1. Casting method: This is a traditional processing method that requires a complete set of melting, pouring and other equipment, as well as a large factory building and a large number of workers. It...

1. Remove the protective covers on both sides of the flange end and flush and clean it with the valve fully open.2. Before installation, the entire machine should be tested according to the specified ...

Flat gate valves have the advantages of good sealing performance, long service life, small opening torque, and short structural length. Therefore, they have been widely used in petroleum, chemical,...

Valve accessories are a collective term for the combination of various indispensable components in valve products. Including (main parts): valve body, valve cover, valve stem, valve core, valve seat, ...

Spinning method for forming stainless steel spheres: Metal spinning method is an advanced and chip free processing method, belonging to a new branch of pressure processing. It combines the...