Products in Sigma HLR

Sigma HLR

Sigma Valves began producing stainless steel pneumatic and hydraulic control valves dedicated specifically for the oil and gas industry over forty years ago. Sigma Valves originated as a company dedicated to valves specifically designed for safety system automation in offshore environments, not industrial valves converted for use in the oil/gas industry. These valves offer more robust design features and dependability than those found in smaller industrial-type valves.

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Products available in Sigma HLR

Pressure Sensors

Quick Exhaust Valve

Auto Relays

Check Valves



Sand Probes


Control Units

Emergency Shutdown Devices

Manual Relays

Vent Caps

Address :

Barwa Commercial Avenue,
Sayer 15, Industrial Area, Doha, Qatar

Phone Numbers :

+974 4035 0350
+974 4460 0044

Opening Hours :

8am - 6pm
Sunday - Thursday