Assurance Of Quality

The main materials are stainless steel, cast steel, Teflon, polyethylene, graphite and imported PFA precision casting. The chemical elements and mechanical properties meet the national standard requirements.

Advanced technology manufacturing, accurate forming of pump valve tube and graphite equipment,fine grinding of outer circle after quenching and tempering,and smooth surface; The appearance shall be neat and beautiful,without defects such as scar knot,crack,oxide skin and keyhole.

The model and size meet the requirements of national standards,and the parts are matched and interchangeable.

Zero leakage in sealing test and guaranteed service life.

Each pump valve tube and graphite equipment shall be subject to secondary strict test and inspection(gas before water pressure)before leaving the factory.

Before assembly,strictly check whether there are casting defects affecting product quality such as pores and trachoma,and spray clean them with anti rust oil and explosive oil.The inner cavity meets the requirements of national standards.