These 2-way aluminum body valves meet the safety standards for commercial industrial and institutional kitchens set by the National Fire protection Association. Paragraph 1023 in booklet NFPA #96 - Ventilation of Cooking Equipment states, The operation of an extinguishing system shall automatically shut off all sources of fuel and heat to gas pilots. A manual operation shall be required to reestablish the fuel supply or heat supply..
3/4 pipe size
2-Way normally closed
Cable controlled