Manual

0
3
6
9
12
15
5
10
15
20
Rated Flow (Established by approval agencies)
FLOW RATES (GPM)
PRESSURE LOSS (PSIG)
69
PRESSURE LOSS (kpa)
FLOW RATES (l/s)
MODEL 975XL 1/4", 3/8" & 1/2" (STANDARD & METRIC)
35
1/2" (15mm)
103
0.95
0.76
0.57
0.38
0.19
137
3/8" (9mm)
1/4" (6mm)
0
20
40
60
80
5
10
15
20
0
50
100
150
200
250
5
10
15
20
Rated Flow (Established by approval agencies)
FLOW RATES (GPM)
PRESSURE LOSS (PSIG)
69
PRESSURE LOSS (kpa)
FLOW RATES (l/s)
MODEL 975XL 3/4", 1", 1 1/4", 1 1/2" & 2" (STANDARD & METRIC)
35
3/4" (20mm)
1" (25mm)
1 1/4" (32mm)
2" (50mm)
103
15.8
12.6
9.56.3
3.25.0
3.82.52
1.26
1½"
(40mm)
137
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 950XL 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
3.25.0
3.82.52
1.26
Performance Characteristics
SPECIFICATIONS
Maximum working water pressure 175 PSI
Maximum working water temperature 180°F
Hydrostatic test pressure 350 PSI
End connections Threaded NPT
ANSI B1.20.1
Proper performance is dependent upon licensed, qualified personnel performing regular, periodic testing according to WILKINS' specifications
and prevailing governmental & industry standards and codes and upon following these installation instructions. Failure to do so releases
WILKINS of any liability that it might otherwise have with respect to that device. Such failure could also result in an improperly functioning
device.
WILKINS OPERATION OF ZURN PLUMBING PRODUCTS
1747 Commerce Way, Paso Robles, CA 93446 Phone:[phone] Fax:[phone]
a company
Pipe size 5 ft/sec 7.5 ft/sec 10 ft/sec 15 ft/sec
1/8"1123
1/4"2235
3/8"3469
1/2" 5 7 9 14
3/4"8 121725
1" 13 20 27 40
1 1/4" 23 35 47 70
1 1/2" 32 48 63 95
2" 52 78 45 167
Capacity thru Schedule 40 Pipe
ISSM950 (REV. 8/03)