Materials, Pressure – temperature, Options – Watts U5B-Z3 User Manual
Page 2: Standards, Capacity, Dimensions - weights, Dimension includes optional gauge, Sizes

Materials
Body:
Bronze
Seat:
Replaceable stainless steel
Integral Strainer:
Stainless steel
Diaphragm:
Reinforced EPDM
Valve Disc:
EPDM
Note: for LP models where application temperatures exceed 160°F (71°C),
but not over 180°F (82°C), a Teflon
®
protector should be added to
sizes 1
1
⁄
4
" – 2" (32 – 50mm).
5M3-Z6 model provided with cast iron spring cage
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)
Options
Add Suffix
G Gauge
tapping
GG
Gauge tapping and 160psi (11 bar) gauge
HP
High pressure range 75 – 100psi (5.2 – 6.9 bar)
LP
Low pressure range 10 – 35psi (69 – 241 kPa)
Standards
Meets requirements of ASSE Standard 1003; (ANSI A112.26.2); CSA
Standard B356; Southern Standard Plumbing Code and listed by IAPMO.
Teflon
®
is a registered trademark of the E.I. Dupont de Nemours & Company.
Capacity
MODEL
SIZE (DN)
DIMENSIONS
WEIGHT
A
A
1
C
D
G
Et
Es
E
QC
F
QC
F *
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs. kgs.
U5B-Z3
1
⁄
2
15
5
5
⁄
8
142.8
5
1
⁄
2
139.7
5
7
⁄
8
149.2
1
5
⁄
8
41.2
3
1
⁄
16
77.7
7
⁄
16
11.1
1
⁄
2
12.7
1
7
⁄
16
36
1
1
⁄
2
38 10
1
⁄
4
260.3
4
1.8
3
⁄
4
20
6
3
⁄
16
157.1
6
1
⁄
4
158.7
6
7
⁄
8
174.6
1
7
⁄
8
47.6
3
1
⁄
2
88.9
1
⁄
2
12.7
3
⁄
4
19
1
9
⁄
16
40
1
11
⁄
16
42 11
1
⁄
2
292.1
5
2.3
1
25
6
5
⁄
8
168.2
6
3
⁄
4
171.4
7
3
⁄
8
187.3
2
50.8
4
101.6
9
⁄
16
14.2
7
⁄
8
22.2 1
11
⁄
16
43
1
3
⁄
4
45 12
1
⁄
8
307.9
6
2.7
1
1
⁄
4
32
7
15
⁄
16
190.5
7
11
⁄
16
195.2
8
3
⁄
8
212.7
2
1
⁄
4
57.1
4
1
⁄
2
113.3
5
⁄
8
15.8
1
25.4
13
3
⁄
8
339.7 9.4
4.3
1
1
⁄
2
40
9
7
⁄
16
239.7
9
3
⁄
4
247.6
9
3
⁄
8
238.1
2
7
⁄
8
73
4
3
⁄
4
120.6
5
⁄
8
15.8
1
1
⁄
8
28.5
15
381.0 14.4 6.5
2
50
10
7
⁄
8
276.2
11
1
⁄
2
292.1
12
1
⁄
4
311.1
3
1
⁄
4
82.5
6
152.4
5
⁄
8
15.8
1
3
⁄
8
34.9
18
1
⁄
4
463.5
23 10.4
* Dimension includes optional gauge
G
C (Max)
D
F* (Max)
A
1
A
Es
Et
A - U5B-Z3
A
1
- U5B-S-Z3
E
T
- NPT Engagement for tight joint
E
S
- Female sweat socket depth
E
QC
- Quick-Connect
E
QC
F
QC
kPa psi
172 25
138 20
103 15
69 10
34 5
0 0
kPa psi
172 25
138 20
103 15
69 10
34 5
0 0
10
30
50
70
90
110 gpm
38
114
190
266
342
418 lpm
0
10
20
30
40
50 gpm
0
38
76
114
152
190 lpm
Sizes
1
⁄
2
",
3
⁄
4
", 1" (15, 20, 25mm)
Reduced Pr
essur
e Fall-of
f
Reduced Pr
essur
e Fall-of
f
Sizes 1
1
⁄
4
", 1
1
⁄
2
", 2" (32, 40, 50mm)
1
⁄
2
"
3
⁄
4
"
1"
2"
1
1
⁄
2
"
1
1
⁄
4
"
Dimensions - Weights
ES-U5B 0948
© 2009 Watts
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
A Watts Water Technologies Company