Kunkle Valve Model 537 Safety Relief Valves

Safety Relief Valve,A safety relief valve that meet ASME section IV, ‘HV’, for low pressure hot water boilers and is National Board certified.

FEATURES:
• Extra heavy construction helps provide
long life.
• Top guided disc assembly incorporates
resilient seal in seating area.
• Isolating diaphragm protects working parts
from corrosion caused by discharged liquid.
• Pivot between disc and spring designed to
correct misalignment and compensates for
spring side thrust.
• Heavy duty lift lever.
• Tested and inspected for pressure setting
and leakage.

General application:
The 756 is ideally suited to applications on
steam boilers and pipelines where blowdown
tolerances are critical.

Technical data:
Material: Carbon steel
Sizes: 1” to 3” (DN 25 to 80)
Connections: Flanged
Pressure range: 5 to 348 psig (0.35 to 24 barg)
Temperature
range: -20°F to 572°F (-29°C to 300°C)