Product Application                                                               

Tianjin Tanggu Water-seal Valve Co., Ltd was established in 1997. Our main products include Center line butterfly valve, flanged butterfly valve, metal butterfly valve, check valve, ball valve, muti-functions pump, gate valve, hydraulic control valve and their series products. They are widely used in water supply and drainage, electric power, petrol chemical, metallurgical and other industry.

Characteristic of product                                                                            

1) Small in size, light in weight, compact in sturcture, easy in maintenance.

2) Two torsion springs are added to each of the pair valve plates, which close the plates quickly and automatically.

3) The Quick cloth action preventsthe medium from flowing back.

4)Short face to face and good rigidity.

5) Easy installation, it can be installed on both horizontal and vertival direction pipelines.

6)This valve is tighly sealed, without leakage under the water pressure test.

7)Safe and reliable in operation, High interference-resistance.

Series of the check valve                                                             

Technical Specifications                                                              

Structure of the Check valve                                                       

Material of the Main parts                                                          

 Certification