Submittal Sheet
a company
®
®
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. A
Date: 3/12
Document No. BF-350XL
Patent No. 7,434,593, 7,784,483, & 7,905,250
Product No. Model 350XL
Model 350XL
Double Check Valve Assembly
Page 1 of 2
Options
(Suffixes can be combined)
c
- with full port QT ball valves (standard)
c
L - less ball valves, male pipe thread
c
S - with Model SXL lead-free bronze "Y" type strainer
c
SH - with stainless steel handles
c FT - with integral male 45° flare SAE test fitting
c BOF - with blow out / flush fitting
Accessories
c Repair kit
c Thermal expansion tank (Model XT)
c QT-SET Quick Test Fitting Set
c Test Cock Lock (Model TCL24)
c Winterizing Blow out/Flush fitting (RK34-350BOF,
RK1-350BOF or RK114-350-375BOF)
B
G
A
E
F
C
D
WILKINS
XL
WILKINS 350XL
DC
G
A
H
E
F
C
D
350 DC
175 PSIG 180 F
2
WILKINS
XL
OPTIONAL LEAD-FREE STRAINER
(MODEL SXL)
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. / 0 1 2 3 3 1 4 5 6 7 / 8 3 6 8 3 4 / 8 0 8 . . / 0 5 7 . 4 6 3 3 / 0 . 1 3 7 3 / 8 . 8 0 3 3 4 / 3 6 1 5 3 1 ( . 3 ( 2 0 ( . 1 ( 2
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3 9 3 / 0 . 1 3 0 4 / 8 . 4 8 3 0 . / 8 . 6 4 . . / 8 8 6 6 . / 0 3 4 3 . . / 0 5 7 1 3 / 0 7 4 1 2 3 / 1 7 1 3 3 8 3 / 1 0 4 2 3 4 ( 1 4 ( 8 3 5 8 ( 6
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Dimensions & Weights (do not include pkg.)
(3/4" - 1")
(1-1/4" - 2")
Application
Ideal for use where Lead-Free* valves are required. Designed
for installation on potable water lines to protect against both
backsiphonage and backpressure of polluted water into the
water supply. Assembly shall provide protection where a
potential health hazard does not exist.
Standards Compliance
(Horizontal & Vertical)
• ASSE® Listed 1015
• IAPMO® Listed
• CSA® Certified B64.5
• AWWA Compliant C510
• Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
• NSF® Listed - Standard 61, Annex G
• UL® Classified (less shut-off valves only)
• C-UL® Classified (less shut-off valves only)
LEAD PLUMBING LAW COMPLIANCE
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
• Lead Plumbing Law Certified by IAPMO R&T
• Annex G Certified by NSF International
Materials
Main valve body Cast Bronze, ASTM B 584 (3/4-1")
Housing Reinforced Nylon
Fasteners Stainless Steel, 300 Series
Elastomers Silicone (FDA Approved)
Buna Nitrile (FDA Approved)
Internals Delrin, NSF Listed
Springs Stainless Steel, 300 series
Ball Valves Cast Bronze, ASTM B 584
Struts Forged Brass ASTM B 124
Features
Sizes: 3/4", 1", 1-1/4", 1-1/2", 2"
Maximum working water pressure 175 PSI
Maximum working water temperature 180°F
Hydrostatic test pressure 350 PSI
End connections Threaded ANSI B1.20.1