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Hydraulic Interface Valves Quick Exhaust Valves Pressure Sensors Hydraulic Regulators Manual Reset Relays Automatic Relays Fusible Devices Reservoir Vent/Fill Assemblies ESD Valves and Accessories Relief Valves Check Valves Indicators Accumulators

Sigma Valves
Sigma Valves is a specialty valve manufacturer in business since 1968. Innovative-engineered solutions are the inspiration for our product line. Sigma pneumatic, hydraulic, fusible devices, and pressure sensing pilots equip safety and environmentally conscious automation systems in the oilfield, aerospace and pharmaceutical industries worldwide.

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
Carbon Steel Needle Valve Catalog.................Download
Pneumatic Level Switch.................................Download
Needle Valve Catalog.....................................Download
Solenoid Relay Valve 100...............................Download
Solenoid Relay Valve 200...............................Download

 
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