With the continuous development of science and technology, the domestic valve market also develops towards high-tech content, high-parameter, strong corrosion-resistant and long lifespan. According to the analysis of valve technologies and valve market demand at home and abroad, the valves used in various industries as well as the high-tech development trend and investment direction of valve industry are as follows:
1. Valves for oil and natural gas well portal units
Valves for oil and natural gas well portal units mainly include single-gate or double-gate valves, forged steel parallel gate valves with or without diversion holes, mud valves angle throttle valves (CHOKE valves), pilot safety valves and check valves in accordance with U.S. standards API
2. Valves for oil and natural gas long-distance pipelines
Valves for oil and natural gas long-distance pipelines mainly include single-gate or double-gate valves, forged steel parallel gate valves; forged-steel or cast-steel three-body type, upper-installed type or full-welding type fixed ball valves; oil-sealed or pressure-balanced plug valves; swing or butterfly check valves, through-ball check valves; and pipe cleaning valves, etc., in accordance with U.S. standards API
