Specification

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Zurn Industries, LLC | Wilkins
1747 Commerce Way, Paso Robles, CA U.S.A. 93446 Ph. 855-663-9876, Fax [phone]
In Canada | Zurn Industries Limited
3544 Nashua Drive, Mississauga, Ontario L4V 1L2 Ph. 905-405-8272, Fax [phone]
www.zurn.com
Rev. D
Date: 3/18
Document No. BF-760
Product No. Model BF-760
Model 760
Dual Check Valve Assembly with Intermediate Atmospheric Vent
Application
Designed for installation on boiler fill water lines to protect
against both backsiphonage and backpressure of polluted
water into the potable water supply. Assembly shall provide
protection where a potential health hazard does not exist.
Standards Compliance
• CSA® Certified B64.3
• ASSE® Listed 1012
• SAI Global Watermark (DRBS)
Materials
Main valve body Forged Brass
Elastomers EPDM (FDA approved)
Buna Nitrile (FDA approved)
Springs Stainless Steel, 300 Series
Features
Sizes: 1/2", 3/4"
Maximum working water pressure 175 PSI
Maximum working water temperature 210°F
Emergency back pressure temperature 250°F
Threaded connections ANSI B1.20.1
Copper connections ANSI B16.22
Internationally Manufactured
MODEL
SIZE
DIMENSIONS (approximate)
WEIGHT
A B C D E
F
in. mm in. mm in. mm in. mm in. mm in. mm lbs. kg
1/2 10 1 7/8 48 4 1/8 105 2 1/2 64 1 9/16 40 1 11/16 43 1/2" FNPT 1.3 0.6
3/4 15 1 7/8 48 4 1/8 105 2 1/2 64 1 9/16 40 1 11/16 43 1/2" FNPT 1.3 0.6
A
F
D
B
E
C
Options
 - with FNPT (female) threaded union inlet
and outlet connection (standard)
 C - with FC (female) copper sweat union
inlet and outlet connection
 DRBS - with dezincification resistant brass,
unthreaded vent and British straight
thread tailpieces
 Accessories
 80CI - Fast fill regulator
 HXT - Hydronic Expansion Tank
 TP1100A - Temperature and pressure relief valve
 P1000AXL - Pressure relief valve
 876CI - Combination 80CI and 760
WATERMARK
AS/NZS 2845.
1
LIC. 1379
Dimensions & Weights (do not include pkg.)