Submittal Sheet

a company
®
®
DOCUMENT #: REVISION:
BF-730 8/12
Model 730 & 735
Laboratory Faucet Vacuum Breaker
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
0
2
6
8
0
20
10
30
4
FLOW RATES (GPM)
PRESSURE LOSS (PSIG)
69
PRESSURE LOSS (kpa)
FLOW RATES (l/s)
MODEL 730 3/8" (STANDARD & METRIC)
3/8" (9mm)
0.5
0.38
0.25
0.13
138
207
FEATURES
Sizes: Model 730  3/8"  3/8" FM
Model 735  1/4"  3/8"
Maximum working water pressure 150 PSI
Maximum working water temperature 180°F
Threaded connections ANSI B1.20.1
DIMENSIONS & WEIGHTS (do not include pkg.)
SPECIFICATIONS
The Laboratory Faucet Vacuum Breaker shall be rated for
150 psi. The body and tailpieces shall be brass (ASTM B
16) with chrome plating (Model 730 only), the spring and
check valve components shall be stainless steel, and the
elastomers shall be Buna Nitrile (FDA approved). The
Laboratory Faucet Vacuum Breaker shall be a WILKINS
Model 730 or 735.
APPLICATION
Designed for installation on laboratory faucets, where a
potential health hazard exists due to back siphonage of
contaminated water from the sink or other apparatus.
STANDARDS COMPLIANCE
 ASSE® Listed 1035 (Model 730)
 CSA® Certied B64.7 (Model 735 CSA® Certied B64.8)
 IAPMO® Listed (Model 730)
 Lead Plumbing Law* Certied by IAPMO R&T
*(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)
NOTE: Model 735 is for continuous pressure and non-
approval applications
MATERIALS
Main valve body Low Lead Brass
& Tailpieces Polished Chrome nish
(Model 730 & 735CH)
Plain Brass nish Model 735
Elastomers Buna Nitrile (FDA approved)
Spring Stainless steel, 300 series
TYPICAL INSTALLATION
MODEL 730
FLOW CHARACTERISTICS
MODEL 735
In-line continuous use
(see above for approvals)
Faucet hose connection
MODEL 730 MODEL 735MODEL 730FM
WILKINS
BACKFLOW
PREVENTER
PREVENTER
BACKFLOW
WILKINS
A
B
A
B
WILKINS
BACKFLOW
PREVENTER
A
B
HOSE
CONNECTION
MODEL 730
MODEL 735
COMBINATION
FIXTURE
COMBINATION
FIXTURE
PART
NUMBER
DIMENSIONS (approximate)
WEIGHT
INLET
SIZE
OUTLET
SIZE
A B
in. mm in. mm lbs kg
38-730
3/8
MNPSM
3/8 FNPT 2 3/8 60 1 1/4 32 1/2 0.2
38-730FM 3/8 FNPT
3/8
MNPSM
2 3/8 60 1 1/4 32 1/2 0.2
38-735 3/8 FNPT 3/8 FNPT 2 3/8 60 1 1/4 32 1/2 0.2
14-735 1/4 FNPT 1/4 FNPT 2 3/8 60 1 1/4 32 1/2 0.2
SPECIFICATION SUBMITTAL SHEET