Submittal Sheet

WILKINS a Zurn company, 1747 Commerce Way, Paso Robles, CA 93446 Phone:[phone] Fax:[phone]
In Canada: ZURN INDUSTRIES LIMITED, 3544 Nashua Dr., Mississauga, Ontario L4V 1L2 Phone:[phone] Fax:[phone]
Product Support Help Line: 877-BACKFLOW (877-222-5356) • Website: http://www.zurn.com
DOCUMENT #: REVISION:
BF-975XL2(LG) 7/12
SPECIFICATION SUBMITTAL SHEET
Page 1 of 2
Model 975XL2
Reduced Pressure Principle Assembly
a company
®
®
A
B
G
CD
F
E
OPTIONAL LEAD-FREE STRAINER
(MODEL SXL)
975XL2
WILKINS
ZURN
WILKINS
XL
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
OPTIONS
(Sufxes can be combined)
 - with full port QT ball valves (standard)
 MS - with integral relief valve monitor switch
 S - with Model SXL lead-free bronze "Y"
type strainer
 BMS - with battery operated monitor switch
 FT - with integral male 45° are SAE test tting
 TCU - with test cocks up
 V - with union swivel elbows (3/4" & 1")
 SE - with street elbows
 U - with union ball valves
ACCESSORIES
 Air gap (Model AG)
 Repair kit (rubber only)
 Thermal expansion tank (Model XT)
 Soft seated check valve (Model 40XL)
 Shock arrester (Model 1250XL)
 QT-SET Quick Test Fitting Set
 Ball valve handle locks
 Test Cock Lock (Model TCL24)
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.)
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 pro-
tection where a potential health hazard exists.
STANDARDS COMPLIANCE
 ASSE® Listed 1013
 IAPMO® Listed
 CSA® Certied
 NSF® Listed - Standard 61, Annex G
 AWWA Compliant C511
 Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
LEAD PLUMBING LAW COMPLIANCE
(CA H&S Code §116875, VSA §2470h)
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
 Lead Plumbing Law Certied by IAPMO R&T
 Annex G Certied by NSF International
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
MODEL
SIZE
DIMENSIONS (approximate)
A
B
C D E F G
WITH BALL
VALVES
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kg
3/4 20 12 305 7 3/4 197 2 1/8 54 3 76 3 1/2 89 5 127 16 1/8 410 12 5.5
1 25 13 330 7 3/4 197 2 1/8 54 3 76 3 1/2 89 5 127 17 3/8 441 14 6.4
1 1/4 32 17 432 10 15/16 278 2 3/4 70 3 1/2 89 5 127 6 3/4 171 22 9/16 573 28 12.7
1 1/2 40 17 3/8 441 10 15/16 278 2 3/4 70 3 1/2 89 5 127 6 3/4 171 24 1/16 611 28 12.7
2 50 18 1/2 470 10 15/16 278 2 3/4 70 3 1/2 89 5 127 6 3/4 171 26 1/2 673 34 15.4