Sigma Valves | Address: 1100 Valwood Parkway, Suite 112, Carrollton, Texas 75006, USA 
www.sigma-valves.com | Send Inquiry | Phone: +1-(972)-446-8250
Sigma Valves is a manufacturer of specialty valves. We produce pneumatic, hydraulic, fusible devices & pressure sensing pilots equip safety & environmentally conscious automation systems in the oilfie more...