Specification Sheet
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
-“ “ NPT threaded female inlet x NPT female outlet
-U NPT threaded union inlet x NPT female outlet
-U-S Solder union inlet x NPT female outlet
-U-QC Quick-Connect union inlet (
1
⁄2",
3
⁄4", 1")
-w/press**** Press inlet x press outlet (non union)
-DU Double Union – NPT threaded union female inlet
and outlet
-DU-S Double Union – Solder union inlet and outlet
-DU-PEX Double Union - PEX union inlet and outlet (
3
⁄4", 1")
-DU-QC Double Union – Quick-Connect union inlet and
outlet (
3
⁄4", 1")
-DU-CPVC Double Union - CPVC Union inlet and outlet (
3
⁄4", 1")
**** Viega ProPress
®
connections are optional factory installed fittings on
each end of the approved/certified assembly.
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 DIMENSIONS WEIGHT
A C D ENPT ESWEAT EPEX ECPVC EQC FNPT FSWEAT FPEX FCPVC FQC G
in. 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 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 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 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
Consult factory for dimensions with press connections.
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 2021 © 2020 Watts
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