Specification

a company
®
®
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. C
Date: 12/13
Document No. BF-375(SM)
Patent No. 6,513,543, 7,784,483, & 7,905,250
Product No. Model 375(SM)
Model 375
Reduced Pressure Principle 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 bronze "Y" type strainer
c SH - with stainless steel handles
c SE - with street elbows
c FT - with integral male 45° flare SAE test fitting
c AG - with air gap
c SAG - with bronze "Y" strainer and air gap
c BOF - with Blow out/Flush fitting
c B - with black fusion epoxy coated ball valves &
struts for theft protection
Accessories
c Repair kits
c Thermal expansion tank (Mdl. XT)
c Soft seated check valve (Mdl. 40XL2)
c Shock arrester (Model 1250XL)
c QT-SET Quick Test Fitting Set
c Blow out / Flush fitting (RK34-375BOF (1/2" or 3/4"),
RK1-375BOF or RK114-350-375BOF)
Application
Designed for installation on 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® B64.4
• AWWA compliant C511
• Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California
• UL® Classified (less shut-off valves only, 3/4" - 2")
• C-UL® Classified (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
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
C
B
D
E
A
F
F
A
B
G
D
E
C
G
( 1/2” - 1” )
( 1-1/4” - 2” )
OPTIONAL STRAINER (MODEL SXL)
J
G
H
H
J
Dimensions & Weights (do not include pkg.)
MODELS 375SE