Watts 53 User Manual
For Commercial and Residential Applications
ES-53
Job Name
Job Location
Engineer
Approval
–––––––––––––––––––––––––––––––––––––––––––
–––––––––––––––––––––––––––––––––––––––––
–––––––––––––––––––––––––––––––––––––––––––––
–––––––––––––––––––––––––––––––––––––––––––––
Series 53
Pressure Relief Valves
Sizes: 53: 1⁄2" or 3⁄4" (15-20mm)
Watts Series 53 Pressure Relief Valves are spring operated
bronze relief valves designed to be used only as protection
from the build up of excessive pressure in systems containing water, oil or air. These valves are not ASME approved
safety relief valves and should not be used in system applications with this requirement. They feature all bronze construction with stainless steel springs. Series 53 have standard pressure settings of 75, 125, and 150psi (5.2, 8.6 and
10.3 bar). They are also specially available at 50psi (3.4 bar)
setting. Pressure range is 75-175psi (5.2-12.1 bar).
Features
• Rugged bronze body
• Stainless steel springs
• Protects against buildup of excessive pressure
• For use in systems containing water, oil, and air
Contractor
Approval
Contractor’s P.O. No.
Representative
––––––––––––––––––––––––––––––––––––––––––––
–––––––––––––––––––––––––––––––––––––––––––––
––––––––––––––––––––––––––––––––––––––––
––––––––––––––––––––––––––––––––––
53
Models
53 - Pressure relief valve
Materials
Body: Bronze
Springs: Stainless steel
Disc: Buna-N
Pressure
53 Pressure Range: 75-175psi (5.2-12.1 bar)
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts
reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications
on Watts products previously or subsequently sold.
Dimensions-Weights
Model Size (dN) HeigHt WidtH WeigHt
in mm in mm in mm lbs. gms.
53 1⁄2 or 3⁄4 15 or 20 27⁄8 73 13⁄4 44 1⁄2 227
The Watts products shown on this page are small type relief valves.
Construction of these products does not meet the (ANSI Z21.22)
nationally recognized applicable standard.
IMPORTANT: INQUIRE WITH GOVERNING AUTHORITIES
FOR LOCAL INSTALLATION REQUIREMENTS
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
ES-53 1010 © 2010 Watts
A Watts Water Technologies Company
Loading...