In 1947, British H. Morrogh discovered that when cerium is added to hypereutectic gray cast iron, the graphite is spherical when the content is above 0.02wt%. In 1948, the American A. P. Ganganebin...
The width of the groove bottom should be calculated as follows: B=D1+2(b1+b2) Where: B—the width of excavation at the bottom of the pipeline trench (mm) D1—the width of the outer edge of the pip...
Hot iron electric furnace quenching and tempering. Refine low-phosphorus and low-sulfur molten iron and ensure that the content of carbon, phosphorus and sulfur in the molten iron meets the require...
Pipe Connector
The switch of the worm gear operated butterfly valve also needs to be realized manually. Unlike the handle butterfly valve, the worm gear operated butterfly valve is operated by the worm wheel. The...
The switch of the handle butterfly valve needs to be achieved manually by pulling the handle, because the butterfly valve can be used to cut off and can also be used to regulate the flow. A gear is...
As the country increases the construction of infrastructure, the demand for valves is increasing, especially the demand for manual butterfly valves is increasing day by day. The manual butterfly va...
we believe that in order to stand out from the competition, it is essential that we keep offering our customers innovative solutions that can withstand the challenges of the hardest environmental c...
To assist our customers even further and help them track their assets, AVK was promoting the new tracking App ‘AVK ASSIST’.
Australia exhibited at the Australian Water Association tradeshow, Ozwater’21 in Adelaide, South Australia.
