|
Model 537
ASME Section IV, Low Pressure Hot Water Boilers, 'HV', National Board
Certified
Model Descriptions
Model 537: Bronze for 3/4-inch and 1-inch models, Cast
iron for 1-1/2-inch and 2-inch models.
Pressure and Temperature Limits
15 to 160 psig -20°F to 250°F
Applications
Hot water boiler, heat exchangers and generators.
Options
No Options Available
Features and Benefits
- Extra heavy construction provides long life.
- Top guided disc assembly incorporates resilient
seal in seating area.
- An isolating diaphragm protects working parts
from corrosion caused by discharged liquid
- Pivot between disc and spring corrects for
misalignment and compensates for spring side thrust.
- These safety relief valves serve the dual purpose
of relieving (1) over pressure created by thermal expansion
under normal 'on and off' firing conditions and (2) over pressure in
the form of water or steam created in over-firing
due to failure of electrical or other controls.
|
