couplings
1.certicated ISO9001
2.locked by ball and mechanism
3.precision design ensures parts matching
4.quick release

couplings 

1.locked ball valve

2.machined from the material of carbon steel, brass, stainless steel,they are the solid bar to ensure

   the durability.

3.the size is range of 1/8 to 2'' ,

4.and both female threaded in the ends.

5.Be applicated for industry, agriculture, forestry, and other hydraulic demanding applications.