Materials, Pressure – temperature, Standards – Watts 223S User Manual
Page 2: Options, Capacity, Dimensions — weights, Series 223 sizes, Flow, Flow pressure drop pressure drop
Materials
Body:
1
⁄
2
" – 2" (15 – 50mm) Bronze
2
1
⁄
2
" (65mm) Iron
Seat:
Replaceable stainless steel
Strainer Screen: Stainless steel (model 223-S)
Diaphragm:
Reinforced Buna-N
Valve Disc:
EPDM
Pressure – Temperature
Temperature Range: 33°F – 160°F (0.5°C – 71°C)
Maximum Working Pressure: 300psi (20.7 bar)
Adjustable Reduced Pressure Range: 25-75psi (172 – 517 kPa)
Standard Reduced Pressure Setting: 50psi (345 kPa)
Standards
1
⁄
2
" – 2" (15 – 50mm) meets requirements of ASSE Standard
1003; (ANSI A112.26); CSA Standard B356; Southern
Standard Plumbing Code, Military Standard MIL-V-18146B
and listed by IAPMO.
Options
B
Built-in bypass feature
LP
Low pressure range 10-35psi (69 – 241 kPa)
HP
High pressure range, reduced range shown below:
ReDuceD PReSSuRe RAnge - Suffix HP
Size
Range
in. mm
psi
bar
1
⁄
2
15
50-145 3.4-10.0
3
⁄
4
20
50-145 3.4-10.0
1
25
50-145
3.4-10.0
1
1
⁄
4
32
50-120 3.4-8.3
1
1
⁄
2
40
50-95 3.4-6.6
2
50
50-95
3.4-6.6
2
1
⁄
2
65
50-95 3.4-6.6
Capacity
Series 223 sizes
1
⁄
2
",
3
⁄
4
", 1" (15, 20, 25mm)
Series 223 sizes 1
1
⁄
4
", 1
1
⁄
2
", 2", 2
1
⁄
2
" (32, 40, 50, 65mm)
Size (Dn)
DimenSionS
WeigHT
A (223)
As (223-S)
C
D
N (223-S)
223
223-S
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
lbs.
kgs.
1
⁄
2
15 4
1
⁄
4
108 9 229
6
1
⁄
4
159 2 50 2
1
⁄
2
64 4.5 2.0 6 2.7
3
⁄
4
20 4
1
⁄
4
108 9 229
6
1
⁄
4
159 2 50 2
1
⁄
2
64 5 2.3 6.5 2.9
1
25
4
3
⁄
4
121 10
15
⁄
16
262 6
1
⁄
2
165 2
1
⁄
8
54 2
15
⁄
16
75 7 3.2 9.5 4.3
1
1
⁄
4
32 5 127 11
15
⁄
16
287 6
3
⁄
4
172 2
3
⁄
4
70 3 76 9 4.1 12 5.4
1
1
⁄
2
40 6
3
⁄
4
171 14
3
⁄
4
375 97⁄8 251 2
3
⁄
4
70 3
7
⁄
16
87 19.5 8.8 23.5
10.7
2
50
8
203
16
3
⁄
4
425 10
3
⁄
4
273 3
3
⁄
8
86
4 102 30 13.6 37.5 17.0
2
1
⁄
2
65 9 229 20
1
⁄
8
511 10
3
⁄
4
273 3
3
⁄
8
86 5 127 32.5 14.8 59 26.8
As
n
A
c
D
Dimensions — Weights
lpm gpm
304 80
266 70
227 60
190 50
151 40
114 30
76 20
38 10
0 0
0 5 10 15 20
psi
0 34 69 103 138
kPa
lpm gpm
950 250
760 200
570 150
379 100
190 50
0 0
0 5 10 15 20 25
30
psi
0 34 69 103 138 172
207
kPa
flow
flow
Pressure Drop
Pressure Drop
223
0
10
20
30
40
50
60
70
80
0
5
10
15
20
PRESSURE FALL OFF - PSI
223
0
50
100
150
200
0
5
10
15
20
25
30
PRESSURE FALL OFF - PSI
1
⁄
2
"
3
⁄
4
"
1"
223
0
10
20
30
40
50
60
70
80
0
5
10
15
20
PRESSURE FALL OFF - PSI
223
0
50
100
150
200
0
5
10
15
20
25
30
PRESSURE FALL OFF - PSI
1
1
⁄
2
"
1
1
⁄
4
"
2"
2
1
⁄
2
"
ES-223 1205
© 2012 Watts
USA: No. Andover, MA • Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Burlington, ON • Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca
A Watts Water Technologies Company