Aquatrol Valve Company Aquatrol Safety and Relief Valves


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AIR • GAS • STEAM High Capacity Safety Valve

Series 560 / 570

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ASME Section I and VIII - NB Certified for Air, Gas and Steam applications. V and UV Rated

The Series 560/570 valve line is a high capacity safety valve used for boilers, piping lines and vessel protection. Designed and engineered for heavy-duty industrial use. ASME approved and National Board flow-rated for capacity.
Aquatrol Series 560 / 570 high capacity safety valves
• Series 560 – Use for ASME Section I applications to pressure ratings of 250 PSI. V and NB stamped for fired vessels. Boilers, or most areas where steam safety valves are required.
• Series 570 – Use for ASME Section VIII applications to pressure ratings of 250 PSI. UV and NB stamped for unfired vessel protection. Used for many applications to protect or relieve pressure for Air, Gas and Steam.
• Designed for durability
• 6 orifices – 12 sizes of piping options
• Top guided seating and discharge
• Full nozzle; high capacity levels
• Excellent re-seating characteristics with pivoting ball-post design
• Short, tuned blow-down and can be adjusted with double ring to meet specific requirements
• Heavy duty hood and lever mechanism
• Standard 17-7 stainless steel springs
• Stainless steel whetted trimming package (seat, disk and interiors)
• O-ring seating. (Teflon, EDPM, Viton, or as specified)
• Bubble tight seating options
• Anti vibrating spring for lift lever
• Packed lift lever
• BPT pipe threading
• Specify series (560/570), special seating options, piping size, set pressure PSI, capacity requirements when ordering.



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