Instruction Manual
Materials
Body: Lead Free* cast copper silicon alloy
Seat: Thermoplastic
Cage: Thermoplastic
Integral Strainer: Stainless steel
Diaphragm: Reinforced EPDM
Valve Disc: Elastomer
Pressure – Temperature
Temperature Range: 33˚F – 180˚F (0.5˚C – 82˚C)
Maximum Working Pressure: 400psi (27.6 bar)
Adjustable Reduced Pressure Range: 25 – 75psi (172 – 517 kpa)
Standard Reduced Pressure Setting: 50psi (345 kpa)
Standards
Meets requirements of ASSE Standard 1003; (ANSI A112.26.2) and
CSA Standard B356. Certified by NSF to ANSI/NSF Standard 61 Annex G.
Listed by IAPMO and City of Los Angeles.
Options
Add Suffix
G Gauge tapping
GG Gauge tapping and 160psi (11.0 bar) gauge
Dimensions – Weights
Capacity
FSWEAT
ESWEAT
FCPVC
EPEX
FPEX
ECPVC
ABOVE VALVE SHOWN WITH SINGLE NPT UNION CONNECTION ON INLET
VALVES MAY BE ORDERED WITH 0,1,OR 2 UNION CONNECTIONS USING ANY
COMBINATION OF NPT, SOLDER, PEX OR CPVC CONNECTIONS REQUIRED
“F” DIMENSIONS ARE APPROXIMATE ENGAGEMENT LENGTHS.
A + E + E
C
D
G
A + E
A
FEMALE NPT THREAD
BOTH ENDS OF BODY
FNPT
ENPT
EQC
FQC
SIzE (DN) DIMENSIONS WEIGHT
A C D
ENPT
ESWEAT
EPEX
ECPVC EQC
FNPT
FSWEAT
FPEX
FCPVC FQC G
in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
1
⁄2 15
3
7
⁄16
88 4
9
⁄16 116 1
11
⁄16 43
5
⁄8
16
5
⁄8
15
13
⁄16
21
9
⁄16
15
1
7
⁄16 36
1
⁄2
13
1
⁄2
13
5
⁄8
16
1
⁄2 13 1
1
⁄2 38 2
1
⁄4 57 2
.
91
3
⁄4 20
3
7
⁄16
88 4
9
⁄16 116 1
11
⁄16 43
5
⁄8
16
7
⁄8
21
15
⁄16
24
13
⁄16
21
1
9
⁄16 40
9
⁄16
14
3
⁄4
19
5
⁄8
16
3
⁄4 18 1
11
⁄16 42 2
1
⁄4 57 2
.
91
1 25
4
1
⁄8
105 4
9
⁄16 116 1
11
⁄16 43
3
⁄4
20
1
26
1
1
⁄8
29
1
1
⁄16
26
1
11
⁄16 43
11
⁄16
17
15
⁄16
23
13
⁄16
21
15
⁄16 23 1
3
⁄4 45 2
1
⁄4 57 3 1.36
kPa psi
0 0
34.5 5
68.9 10
103.4 15
137.8 20
172.3 25
0 10 20 30 40 gpm
0 37.3 75.7 113.6 151.4 lpm
Pressure Drop
Flow
ES-LFN45B 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