Overview of Primary Product

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-375XL(SM) 7/12
SPECIFICATION SUBMITTAL SHEET
(Patent No. 6,513,543, 7,784,483 & 7,905,250)
Page 1 of 2
Model 375XL
Reduced Pressure Principle Assembly
a company
®
®
FEATURES
Sizes: 1/2"  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 FNPT ANSI B1.20.1
OPTIONS
(Sufxes can be combined)
 - with full port QT ball valves (standard)
 L - less ball valves, male pipe thread
 S - with Model SXL lead-free bronze "Y" type strainer
 SH - with stainless steel handles
 FT - with integral male 45° are SAE test tting
 AG - with air gap
 SAG - with Model SXL lead-free bronze "Y" strainer
and air gap
 BOF - with Blow out/Flush tting
 B - with black fusion epoxy coated ball valves &
struts for theft protection
ACCESSORIES
 Repair kits
 Thermal expansion tank (Mdl. XT)
 Soft seated check valve (Mdl. 40XL)
 Shock arrester (Model 1250XL)
 QT-SET Quick Test Fitting Set
 Test Cock Lock (Model TCL24)
 Blow out / Flush tting
(RK34-375BOF (1/2" or 3/4"), RK1-375BOF
or RK114-350-375BOF)
DIMENSIONS & WEIGHTS (do not include pkg.)
C
B
D
E
A
F
F
A
B
G
D
E
C
G
(1/2” - 1” )
( 1-1/4” - 2” )
H
G
OPTIONAL LEAD-FREE STRAINER
(MODEL SXL)
WILKINS
XL
WILKINS
XL
375 RP
175 PSIG 180˚ F
175 PSIG 180ß F
3/4" 375 RP
ZURN
WILKINS
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 B64.4
 AWWA compliant C511
 Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
 NSF® Listed-Standard 61, Annex G (3/4" - 2")
 UL® Classied (less shut-off valves only, 3/4"-2")
 C-UL® Classied (less shut-off valves only, 3/4"-2")
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 (3/4" - 2")
MATERIALS
Housing Reinforced Nylon, FDA approved
Fasteners Stainless Steel, 300 Series
Elastomers Silicone (FDA Approved)
Buna Nitrile (FDA Approved)
Internals Delrin, Nylon, NSF Listed
Springs Stainless Steel, 300 series
Ball Valves Cast Bronze, ASTM B 584
Struts Forged Brass, ASTM B 124
MODEL
375XL
SIZE
DIMENSIONS (approximate) WEIGHT
A
A
LESS
BALL
VALVES
B C D E F G H J
LESS
BALL
VALVES
WITH
BALL
VALVES
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kg lbs. kg
1/2 20 8 7/8 225 n/a n/a 1 15/16 49 1 5/8 41 2 15/16 75 3 7/8 98 12 1/4 311 3 76 10 7/8 276 12 1/4 311 4.7 2.1 5.7 2.6
3/4 20 8 7/8 225 7 1/8 181 1 15/16 49 1 5/8 41 2 15/16 75 3 7/8 98 12 5/8 321 3 76 11 279 12 1/4 311 4.7 2.1 5.7 2.6
1 25 11 3/16 284 8 7/8 225 2 1/4 57 2 1/4 57 3 7/16 87 4 102 14 9/16 370 4 102 13 3/4 349 15 1/4 387 8.2 3.7 9.7 4.4
1-1/4 32 14 7/8 378 14 3/8 367 3 3/8 86 3 3/8 86 3 3/4 95 5 3/4 146 20 1/2 521 3 3/4 95 18 457 18 1/2 470 18.7 8.5 20.5 9.3
1-1/2 40 15 1/4 387 14 3/8 367 3 3/8 86 3 3/8 86 3 3/4 95 5 3/4 146 22 559 4 1/2 114 18 3/4 476 20 1/4 514 18.3 8.0 21.5 9.8
2 50 16 406 14 3/8 367 3 3/8 86 3 3/8 86 3 3/4 95 5 3/4 146 24 610 4 3/4 120.7 20 3/4 527 20 3/4 527 19.4 8.8 23.5 10.7