Unique 29+ Natural Gas Valve Types
Unique 29+ Natural Gas Valve Types. Gate valves gate valves have a significant feature of having less flow obstruction and lower turbulence within the valve creating only a small pressure drop across the valve. The different types of gas valves used over the years and how they work is explained by ravenheat's technical servicing and training manager, john wilson. Angle valves admit gases at an angle and allow for maximum flow.