ASME Section I and VIII - NB Certified
for Air, Gas and Steam applications. V and UV Rated
SIZES FROM 1/2” TO 2 1/2” NB
RATED TO 250# TEMPERATURES TO 406º |
Aquatrol's 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.
 Usages:
• 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.
Features:
• 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
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
Ordering:
• Specify series (560/570), special seating options,
piping size,
set pressure PSI , capacity requirements when ordering
• See opposite page for details
 PARTS
IDENTIFICATION & MATERIALS
ORDERING
AND & TRIMMING INFORMATION
SERIES
560-570 DIMENSION CHART • AIR/GAS/STEAM
SERIES
560 CAPACITIES STEAM
SERIES
570 CAPACITIES AIR/GAS
SERIES
570 CAPACITIES STEAM
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