SigmaHLR Information

Engineered Reliability Under Pressure. SigmaHLR manufactures hydraulic and pneumatic safety-control valves and instrumentation for demanding oil and gas applications worldwide. We help customers address a critical requirement: selecting the control components that support dependable operation and the required response when process conditions change. Our product portfolio includes: • Hydraulic interface valves and three-way hydraulic control valves • Pneumatic pressure sensors and controller units • Quick exhaust valves and pressure regulators • Manual and automatic reset relays • Emergency shutdown control valves and fusible devices • Sand probes and sand-probe relays • Check valves, velocity checks and accumulators For panel builders, EPC teams, valve integrators, service companies, resellers and operators, the starting point is the application: operating pressure, control medium, required function, connections and installation environment. Whether specifying components for a new control panel or reviewing a replacement requirement, bring those details to SigmaHLR. With a product heritage spanning more than five decades, SigmaHLR combines established hydraulic and pneumatic control expertise with an ISO 9001:2015-certified quality management system. We are a Sturrock & Robson USA Services, Inc. company. Explore products and technical specifications at sigmahlr.com. Have an application or quotation request? Contact sales@sigmahlr.com with your model number, operating requirements, quantity and required delivery date.