G
Materials
Body: Lead Free* copper silicon alloy
Seat:
1
⁄2"–1" (15–25mm) Replaceable engineered polymer
(10% glass filled Noryl
®
)
1
1
⁄4"–2" (32–50mm) Replaceable stainless steel
Integral Strainer: Stainless steel
Diaphragm: Reinforced EPDM with PTFE wetted surface
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)
Options
Add Suffix
G Gauge tapping,
1
⁄8" (3mm)
GG Gauge tapping and 160psi (11 bar) gauge
HP High pressure range 75–125psi (5.2 – 8.6 bar)
LP Low pressure range 10–35psi (69 – 241 kPa)
Z7 400psi (27.6 bar) initial pressure,
1
⁄2" (20mm) models only
Noryl
®
is a registered trademark of SABIC Innovative Plastics™
SIZE (DN) DIMENSIONS WEIGHT
D F * G E
T ES EP FQC
in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
1
1
⁄2 38 9
7
⁄16 240 3
1
⁄8 79
1
⁄2 13
1
⁄2 13 – – 1
1
⁄2 38 3.5 1.6
1
1
⁄2 38 9
7
⁄16 240 3
1
⁄8 79
1
⁄2 13
3
⁄4 19
5
⁄8 16 1
11
⁄16 42 3.5 1.6
1
3
⁄4 44 1 0
7
⁄16 266 3
5
⁄8 92
5
⁄8 16
15
⁄16 23
13
⁄16 21 1
3
⁄4 45 6.5 3.0
2
1
⁄8 54 11
7
⁄16 291 3
5
⁄8 92
5
⁄8 16 1 25 – – – – 10 4.5
2
3
⁄8 60 11
15
⁄16 304 4
1
⁄16 103
5
⁄8 16 1
1
⁄16 28 – – – – 10 4.5
3
1
⁄4 83 13
11
⁄16 348 4
3
⁄4 121
5
⁄8 16 1
5
⁄16 34 – – – – 15 6.8
* Dimension includes optional gauge
SIZE (DN) DIMENSIONS
A A
1 A2 B B1
B2 C
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm
1
⁄2 15 5
3
⁄8 137 5
5
⁄16 135 5
3
⁄16 132 6
7
⁄16 164 6
3
⁄8 162 – – 7 178
3
⁄4 20 5
5
⁄16 135 5
1
⁄2 140 5
1
⁄4 133 6
1
⁄2 165 6
7
⁄8 175 6
3
⁄4 171 7 178
1 25 6 152 6
1
⁄4 159 5
7
⁄8 149 7
3
⁄8 187 7
13
⁄16 198 7
11
⁄16 195 8 203
1
1
⁄4 32 8
3
⁄4 222 8
15
⁄16 227 8
1
⁄4 210 10
3
⁄4 273 11 279 – – 9 229
1
1
⁄2 40 8
3
⁄4 222 9 229 8
1
⁄4 210 10
3
⁄4 273 11
3
⁄16 284 – – 9
1
⁄2 241
2 50 9
1
⁄4 235 10 254 8
3
⁄4 222 11
5
⁄16 287 12
11
⁄16 322 – – 11
1
⁄4 286
Standards
Meets requirements of ASSE Standard 1003: ANSI A112.26.2: CSA Standard
B356; Southern Standard Plumbing Code and listed by IAPMO.
Military Standard MIL-V-18146B Type I.
Capacity
C (Max)
F* (Max)
D
B, B1, B2
A, A1
EP
ES
ET
A2
A - LF25AUB-Z3
A1 - LF25AUB-S-Z3
A2 - LF25AUB-DU-LF-Z3
B - LF25AUB-DU-Z3
B1 - LF25AUB-S-DU-Z3
B2 - LF25AUB-DU-THDxPEX-Z3
ET - NPT Engagement for tight joint
ES - Female sweat socket depth
EP - PEX end connection
FQC - Quick-Connect union
FQC
Sizes:
1
⁄2",
3
⁄4", 1", 1
1
⁄4", 1
1
⁄2", 2"
(15, 20, 25, 32, 40, 50mm)
kPa psi
0 0
34 5
69 10
103 15
138 20
172 25
0 10 20 30 40 50 60 70 80 90 100 gpm
0 38 76 114 152 190 228 266 304 342 380 lpm
Reduced Pressure Drop
Flow
1
⁄2”
3
⁄4”
1”
2”
1
1
⁄4”
1
1
⁄2”
Dimensions — Weights
ES-LF25AUB 1318 © 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
(12 pages)
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