Materials, Pressure – temperature, Options – Watts LFU5B-Z3 User Manual
Page 2: Standards, Dimensions - weights capacity, Dimension includes optional gauge, Sizes
Materials
Body:
Lead Free* cast copper silicon alloy
Seat:
Replaceable stainless steel
Integral Strainer: Stainless steel
Diaphragm:
Reinforced EPDM
Valve Disc:
EPDM
Yoke:
Lead Free* cast copper silicon alloy
LF5M3-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 (11.0 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.
Dimensions - Weights
Capacity
G
C (Max)
D
F* (Max)
A
1
A
Es
Et
A - LFU5B-Z3
A
1
- LFU5B-S-Z3
E
T
- NPT Engagement for tight joint
E
S
- Female sweat socket depth
E
QC
- Quick-Connect
E
QC
F
QC
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.
LFU5B-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
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 Pressure Fall-off
Reduced Pressure Fall-off
Sizes 1
1
⁄
4
", 1
1
⁄
2
", 2" (32, 40, 50mm)
1
⁄
2
"
3
⁄
4
"
1"
2"
1
1
⁄
2
"
1
1
⁄
4
"
ES-LFU5B 1323
© 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
A Watts Water Technologies Company