The Pro Valve is cycle tested at the Sherwood factory 5,000 times to exceed-all-real-time world applications assuring the user the highest in quality and dependability. The valve is engineered with High-Flow characteristics to maximize regulator performance. A positive hand wheel grip for easy identification of on/off direction and the valve is designed with proven and readily available replacement valve parts. The valve has a DOT approved burst disc assembly uses integrated-disc and plug design. Sherwood Pro DIN/Yoke Valve is manufactured from durable corrosion resistant marine grade chrome plated brass. Valve is standard (3/4"- 14 NPSM) threaded cylinder to valve inlet and has a high-capacity dip tube that prevents contaminants from reaching the air stream. the valve is covered by a 24 month limited warranty; The Pro Valve is cycle tested at the Sherwood factory 5,000 times to exceed-all-real-time world applications assuring the user the highest in quality and dependability. The valve is engineered with High-Flow characteristics to maximize regulator performance. A positive hand wheel grip for easy identification of on/off direction and the valve is designed with proven and readily available replacement valve parts. The valve has a DOT approved burst disc assembly uses integrated-disc and plug design. Sherwood Pro DIN/Yoke Valve is manufactured from durable corrosion resistant marine grade chrome plated brass. Valve is standard (3/4"- 14 NPSM) threaded cylinder to valve inlet and has a high-capacity dip tube that prevents contaminants from reaching the air stream. the valve is covered by a 24 month limited warranty