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  1. Safety Shut-Off Valves - Honeywell

  2. Shutdown valve - Wikipedia

  3. ASCO 040 (8040) Gas Safety Shut Off Solenoid Valves - Emerson

  4. Safety Shut-Off Valves (SSOV) - Combustion 911

  5. Safety Shutdown Valve (SSV) Control System - SLB

  6. ESD VALVES/Safety Shut Off Valves - Sarom Global

  7. Honeywell V5055 Safety Shutoff Gas Valves - Marshall W …