Specification Sheet

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)
A1
A
Es
Et
A - LFU5B-Z3
A1 - LFU5B-S-Z3
ET - NPT Engagement for tight joint
ES - Female sweat socket depth
EQC - Quick-Connect
EQC
FQC
MODEL SIZE DIMENSIONS WEIGHT
LFU5B-Z3
A A1 C D G Et Es EQC FQC F
in. in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs
1
2 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 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 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 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 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 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: T: (978) 689-6066 • F: (978) 975-8350 • Watts.com
Canada: T: (905) 332-4090 • F: (905) 332-7068 • Watts.ca
Latin America: T: (52) 81-1001-8600 • Watts.com