Our mission is to design and manufacture the highest
quality stainless steel control valves appropriate for harsh environments
in the oilfield, aerospace, and pharmaceutical industries; Sigma is
dedicated to providing our customers with innovative products,
timely delivery, and unmatched reliability.
New Products
Pressure Sensors...........................................Download
Series 380 Exhaust Port Indicator..................Download
11LV100 Manual Reset Pneumatic Relay.......Download
Solenoid Relay Valve 100...............................Download
Solenoid Relay Valve 200...............................Download
Please contact us with any questions:
Phone: 972-355-3453
Fax: 972-446-8642
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