Emerson Automation Solutions Share: Valves Emerson Automation Solutions Visit Website 3950 Greenbriar Stafford, TX 77477 (281) 274-4400 (281) 240-1800 (fax) About Map About AGCO for over pressure SRV, hand valve and manifold instrumentation. What's Nearby? Distance: 5 10 15 20 25 50 mi.