Specification
Zurn Industries, LLC | Wilkins
1747 Commerce Way, Paso Robles, CA U.S.A. 93446 Ph. 855-663-9876, Fax 805-238-5766
In Canada | Zurn Industries Limited
3544 Nashua Drive, Mississauga, Ontario L4V 1L2 Ph. 905-405-8272, Fax 905-405-1292
www.zurn.com
Rev. B
Date: 1/14
Document No. BF-720A
Product No. Model 720A
Model 720A
Pressure Vacuum Breaker Assembly
Page 1 of 2
Application
Designed for installation on irrigation water lines to protect
against backsiphonage of contaminated water into the po-
table water supply. Assembly shall provide protection where
a potential health hazard exists.
Standards Compliance
• ASSE® Listed 1020
• IAPMO® Listed
• CSA ® Certified
• Approved by the Foundation for Cross-Connection Control
and Hydraulic Research at the University of Southern
California
Materials
Main valve body Cast Bronze ASTM B584
Fasteners Stainless Steel, 300 Series
Elastomers Silicone (FDA approved)
Buna Nitrile (FDA approved)
Polymers Polypropylene (FDA approved)
Delrin® (FDA approved)
Springs Stainless Steel, 300 series
Features
Sizes: 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"
Maximum working water pressure 150 PSI
Maximum working water temperature 110°F
Hydrostatic test pressure 300 PSI
End connections threaded ANSI B1.20.1
Dimensions & Weights (do not include pkg.)
Options
(Suffixes can be combined)
c - with full port QT ball valves (standard)
Accessories
c Repair kit (complete)
c Water Hammer Arrester (Model 1250XL)
c QT-SET Quick Test Fitting Set
! " ! "
# $ % # & ' # $ ( # ( # ) # $ # * # + , ) # $ ) # + ( % # $ ) & ' ) # ( * % '
, $ ) % + ' , $ # * # ( , ) & $ # * # # + ) & $ # * # # + % , $ ( * + ) # ( * % '
# % & ' , $ ) # - ' ) & $ ( # # ' ) , $ ) # % # % & $ ( * ' ) # ( ( , *
# # $ ) , % # # % ' - ' ' $ # * # ( - ' ' $ # * # ( - , # $ ( ' - # ) * ) % + -
# # $ % ) + # + # $ % % * ' ' # ' ( ' # ' ( , # $ ( ' - # ) * ) % + -
% & + # # # $ # * % ( # ' - $ # * # - % ' # # $ # * # - & , # $ ( ' - # ) * ) % * # + )
D
B
C
A