Series 560/570, ASME Section I (V Stamp) & Section VIII (UV Stamp) High-Capacity Safety Valves

Product Summary

Description:

Aquatrol's Series 560/570 valve line is a high-capacity safety valve used for boilers, piping lines and vessel protection. The valves are designed and engineered for heavy-duty industrial use. They are ASME approved and National Board flow rated for capacity.

Note: use V and UV Code Stamp logos

Features:

• Designed for durability
• 6 orifices – 12 sizes of piping options
• Top-guided seating and discharge
• Full nozzle; high-capacity levels
• Excellent reseating characteristics with pivoting ball-post design
• Short, tuned blowdown; can be adjusted with double ring to meet specific requirements
• Heavy-duty hood and lever mechanism
• Standard 17-7 stainless steel springs

Applications:

• 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. Protects or relieves air, gas and steam pressure.

Sizes: ¼” to 2¼”

Pressure and Temperature Limits:

• National Board rated to 250#
• Temperatures to 406 degrees F°

Options:

• 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