Overview of Primary Product

a company
®
®
DOCUMENT #: REVISION:
BF-375(SM) 7/12
SPECIFICATION SUBMITTAL SHEET
(Patent No. 6,513,543, 7,784,483 & 7,905,250)
Page 1 of 2
Model 375
Reduced Pressure Principle Assembly
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
J
G
H
C
B
D
E
A
F
MODELS 375SE
F
A
B
G
D
E
C
G
H
J
( 1/2” - 1” )
( 1-1/4” - 2” )
OPTIONAL STRAINER (MODEL S)
APPLICATION
Designed for installation on potable water lines to protect
against both backsiphonage and backpressure of contami-
nated water into the potable water supply. Assembly shall
provide protection where a potential health hazard exists.
STANDARDS COMPLIANCE
 ASSE® Listed 1013 (3/4" - 2")
 IAPMO® Listed
 CSA B64.4
 AWWA compliant C511
 Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
 UL®Classied(lessshut-offvalvesonly,3/4"-2")
 C-UL®Classied(lessshut-offvalvesonly,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
375
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
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
 XL - with low lead ball valves (See 375XL)
 S - with bronze "Y" type strainer
 SH - with stainless steel handles
 SE - with street elbows
 FT - withintegralmale45°areSAEtesttting
 AG - with air gap
 SAG - with 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.)