【product manual】

Z11H, Z11Y internal thread valve (steel thread wedge gate valve) fluid resistance is small, open and close the required torque is small, can be used in the media to the two-way flow of the ring network, also said medium flow is not restricted. Full open, the sealing surface by the erosion of the working medium than the cut-off valve is small. Shape and structure is relatively simple, better manufacturing process, the structure is relatively short length.

【Product performance standards】

Design and manufacture: JB / T 7746

Thread end size: GB 7306

Structure length: JB / T 7746

Pressure to temperature: GB / T 9131

Inspection and testing: JB / T 9092