Less leakage results in reduced product loss, increased efficiency, and improved energy management. Figure 1. This control valve is subjected to EPA’s Method 21 “sniff ” test to determine the fugitive ...

For the last two to three years, offshore valves have been coming into the U.S. for as little as 15 cents in the case of a standard 572 truck tire valve stem. (Fleets pay 40-70 cents each for these.) ...