H42H cast steel vertical check valve

The product is designed and
manufactured strictly according to GB12235 standard, the valve disc is positioned along the center for lifting movement, the bushing is made of special materials with good wear resistance and small friction coefficient, and the action is flexible and reliable. Excellent sealing performance. The products are widely used in petroleum, chemical, pharmaceutical, electric power industry and other working conditions of the pipeline.
Second, the main performance specifications

Three, the implementation of standard
design and manufacturing: GB12235
Structure length: GB12221
connection flange: JB/T79-1994
Test and inspection: JB/T9092-1999
Four, the main connection size