Submittal Sheet

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Flow Characteristics
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
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0
20
60
80
0
5
10
15
0
50
100 150
200
250
5
10
15
40
0
Rated Flow (Established by approval agencies)
FLOW RATES (GPM)
PRESSURE LOSS (PSIG)
69
PRESSURE LOSS (kpa)
FLOW RATES (l/s)
MODEL 950XLT2 3/4", 1", 1 1/4", 1 1/2" & 2" (STANDARD & METRIC)
35
3/4" (20mm)
1" (25mm)
1 1/4" (32mm)
1 1/2" (40mm)
2" (50mm)
103
15.8
12.6
9.56.3
3.2
5.0
3.82.52
1.26
Typical Installation
Local codes shall govern installation requirements. To be
installed in accordance with the manufacturer’s instructions
and the latest edition of the Uniform Plumbing Code. Unless
otherwise specified, the assembly shall be mounted at a
minimum of 12" (305mm) and a maximum of 30" (762mm)
above adequate drains with sufficient side clearance for
testing and maintenance. If installed below grade, be certain
adequate drainage is provided to prevent the device from
being submerged.
H I J I K L J M N N M J I O K
Speci cations
The Double Check Type Backflow Preventer shall be ANSI 3rd party certified to comply with states' lead plumbing law 0.25%
maximum weighted average lead content requirement, shall be ASSE Listed 1015, rated to 180°F, and supplied with full port
ball valves. The main body and access covers shall be low lead bronze (ASTM B 584), the seat ring and all internal polymers
shall be NSF® Listed Noryl™ and the seat disc elastomers shall be SILICONE. The first and second check shall be located
at a 45° angle and accessible for maintenance from the top of the device, without removing the device from the line. Each
check shall have separate access covers and test cocks shall be accessible from the top of the device. Test cocks shall be
protected from debris by a plug. The Double Check Type Backflow Preventer shall be a ZURN WILKINS Model 950XLT2.
O P J Q O O R I K L J M N N M J I O K
PROTECTIVE
ENCLOSURE
DIRECTION OF FLOW
12" MIN.
30" MAX.
OPTIONAL LEAD-FREE STRAINER
(MODEL SXL)
950XLT2
WILKINS
175 PSI
180˚F
DC
WILKINS
XL
DIRECTION OF FLOW
DC
950XLT2
WILKINS
175 PSI
180˚F
S T U T V W X Y X Z [ \ ] V Z ^ _ \ ` ^ a b c W U ^
c W U ^ d W e ^ f g X h d ^ V i j f g X h d ^ V k b g X h d ^ V k f g X h d ^ V
k h l m k k n o
k h a m n n o f
o h l m o a p q
k h n f i q k a
o h a m l k n k i n f
k m k o n b n i a b
k k h a m n o o f a i i b
k k h n m o n a l p o q f
n m f n i l k b f k p i