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 (DN) DIMENSIONS WEIGHT
A A1 C D G Et Es EQC FQC 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
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