Specification

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: 6/14
Document No. BF-975XL2(LG)
Product No. Model 975XL2(LG)
Model 975XL2
Reduced Pressure Principle Assembly
Page 1 of 2
A
B
G
CD
F
E
OPTIONAL LEAD-FREE STRAINER
(MODEL SXL)
975XL2
WILKINS
ZURN
WILKINS
XL
Options
(Suffixes can be combined)
c - with full port QT ball valves (standard)
c MS - with integral relief valve monitor switch
c S - with bronze "Y" type strainer
c BMS - with battery operated monitor switch
c FT - with integral male 45° flare SAE test fitting
c TCU - with test cocks up
c V - with union swivel elbows (3/4" & 1")
c SE - with street elbows (3/4" & 1")
c U - with union ball valves
Accessories
c Air gap (Model AG)
c Repair kits (rubber only)
c Thermal expansion tank (Mdl. XT)
c Soft seated check valve (Model 40XL2)
c Shock arrester (Model 1250XL)
c QT-SET Quick Test Fitting Set
c Ball valve handle locks
c Test Cock Lock (Model TCL24)
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 contaminated water into
the potable water supply. Assembly shall provide protection
where a potential health hazard exists.
Standards Compliance
• ASSE® Listed 1013
• IAPMO® Listed
• CSA® Certified B64.4
• AWWA compliant C511
• Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
• Certified to NSF/ANSI 372* by IAPMO R&T
• NSF® Listed-Standard 61, Annex G*
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
Materials
Main valve body Cast Bronze ASTM B 584
Access covers Cast Bronze ASTM B 584
Fasteners Stainless Steel, 300 Series
Elastomers Silicone (FDA Approved)
Buna Nitrile (FDA Approved)
Polymers Noryl™, NSF Listed
Springs Stainless Steel, 300 series
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
Relief Valve discharge port:
3/4” - 1” - 0.63 sq. in.
1 1/4” - 2” - 1.19 sq. in.
Dimensions & Weights (do not include pkg.)