Installation Guide

Flow Characteristics
Page 2 of 2
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
7900 Goreway Drive, Unit 10, Brampton, Ontario L6T 5W6, 877-892-5216
www.zurn.com
PRESSURE LOSS (PSIG)
0
5
10
FLOW RATES (l/s)
MODEL SXL 1 1/2" thru 3" (STANDARD & METRIC)
0 100 200 300
400
500
6.3 12.6 18.9
25.2
31.5
69
PRESSURE LOSS (kpa)
35
FLOW RATES (GPM)
1 1/2" (40mm)
2" (50mm)
3" (80mm)
PRESSURE LOSS (PSIG)
0
5
10
FLOW RATES (l/s)
MODEL SXL 1/2" thru 1 1/4" (STANDARD & METRIC)
0306090
120
150
1.89 3.79 5.68
7.57
9.46
69
PRESSURE LOSS (kpa)
35
FLOW RATES (GPM)
1/2" (15mm)
1" (25mm)
1 1/4" (32mm)
3/4" (20mm)
2 1/2" (65mm)
3/8" (10mm)
Typical Installation
Local codes shall govern installation requirements. Unless
otherwise specified, the assembly shall be mounted in
accordance with the latest edition of the Uniform Plumb-
ing Code. If installed below grade, be certain adequate
drainage is provided to prevent the device from being
submerged. Horizontal installation with the strainer cap
facing downward is the preferred installation orienta-
tion; however the strainer will provide protection in any
orientation.
OUTDOOR INSTALLATION OUTDOOR INSTALLATION
Specications
The “Y” type strainer shall be a manufactured import certified to NSF/ANSI/CAN 61. The main body and cover shall be low
lead cast bronze (ASTM B 806), the strainer screen shall be 20 mesh 300 series stainless steel and accessible for mainte-
nance without removing the device from the line. The “Y” type strainer shall be a ZURN WILKINS Model SXL.
Capacity thru Schedule 40 Pipe
Pipe size 5 ft/sec 7.5 ft/sec 10 ft/sec 15 ft/sec
1/8" 1 1 2 3
1/4" 2 2 3 5
3/8" 3 4 6 9
1/2" 5 7 9 14
3/4" 8 12 17 25
1" 13 20 27 40
1 1/4" 23 35 47 70
1 1/2 32 48 63 95
2" 52 78 105 167
PROTECTIVE
ENCLOSURE
DIRECTION OF FLOW
12" MIN
30" MAX
MODEL 975XL2 REDUCED
PRESSURE BACKFLOW PREVENTER
WILKINS
XL
975XL2
WILKINS
ZURN
DIRECTION OF FLOW
12" MIN.
30" MAX.
PROTECTIVE
ENCLOSURE
MODEL 500XL WATER
PRESSURE REDUCING VALVE
WILKINS
XL
500XL
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K
I
N
S
W
L