Backflow Preventers

WATTS Backflow Preventers

Designed to prevent potable water contamination from the reverse flow of polluted water. Capable of bearing up to 180 psi pressures and have a maximum operating temperature of 180 degrees F

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Watts backflow preventers are designed to stop potable water contamination from the reverse flow of polluted water. They are employed in industrial settings where chemicals are connected to water...Read more
WATTS -

Reduced Pressure Zone Backflow Preventer

Reduced pressure zone backflow preventers by Watts are used to prevent the reverse flow of liquids caused by backsiphonage or back pressure in a plumbing system. They also eliminate the chances of entry of contaminants back into potable water supply lines. These Watts backflow preventers feature a compact, modular design for installation in tight spaces and their single-cover, top-entry facility allows easy accessibility for maintenance purposes. They come equipped with replaceable seats and seat discs, and do not require any special tools for servicing. Raptor Supplies offers a wide range of Watts reduced pressure backflow preventers in different connection types and body materials.

StyleModelItemPrice (ex. VAT)
A1/2 LF009-QT-PRESSAssembly€780.20
A1 LF009M2-QT-PRESSAssembly€963.13
B1 1/4 009M2-QTBackflow Preventer€1,779.20
B2 009M2-QTBackflow Preventer€2,211.41
B1 009M2-QTBackflow Preventer€1,135.47
C1/2 009-QTBackflow Preventer€746.81
D1 1/4 LF009M2-QTBackflow Preventer€1,669.27
E1/2 LF009-QT-SBackflow Preventer€785.66
F2 LF009M2-QT-SBackflow Preventer€2,206.13
G3/4 SS009M3-QTBackflow Preventer€5,402.26
H3/4 009M3-QTBackflow Preventer€994.14
F1 1/2 LF009M2-QT-SBackflow Preventer€1,928.81
F1 1/4 LF009M2-QT-SBackflow Preventer€1,845.97
I1 SS009-QTBackflow Preventer€5,714.36
J3" LF009-NRSGate€6,317.77
K957-OSY 6Reduced Press. Zone Assembly€9,932.14
WATTS -

Backflow Preventer Accessories

StyleModelConnection TypeItemLengthMaterialMax. PressureSizeWidthPrice (ex. VAT)
A1/4 LFTCMNPTTest Cock1.75"Copper Silicon Alloy175 psi1/4"1"€105.42
B4 909 AGKNptAir Gap9.625"Cast Iron140 psi4" to 6"6.38"€474.55
C1/4 LF-TCNptTest Cock-Bronze-1/4"-€88.53
DLFTC 2 1/2-4NptTest Cock1.625"Bronze175 psi1/2"1"€166.28
E909 AGK 4-6 8-10 M1NptAir Gap9.625"Cast Iron175 psi3"6.38"€591.72
F909 AGM 8-10 909NptAir Gap11.25"Cast Iron175 psi4mm7.38"€741.69
GRK-TC-P Plastci Cap Tether 1/8 1/4 NPTNptCap Tether-Plastic-1/8" to 1/4"-€4.42
DLFTC 6-10NptTest Cock-Bronze-3/4"-€156.64
H1/8 LF-NPT-TCNptTest Cock-Bronze-1/8"-€68.49
IRK-SAE-TC 1/8 SAESAETest Cock11.25"Bronze-1/8"7.38"€13.42
JSAE-TC Brass Cap 1/8 SAESAECap-Brass-1/8"-€5.67
KSAE-TC Plastic Cap 1/8 SAESAECap-Brass-1/8"-€5.71
LSAE-TC-Adapter 1/4SAEAdapter-Bronze-1/4"-€87.46
WATTS -

909 Large Series Reduced Pressure Zone Assemblies

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeTypeValve TypePrice (ex. VAT)
A909-DNRS-S-FDA 33"110 Degree F12.06 Bar33 Degree F3"Valve to AccessoryNon Rising Stem Gate Valve€11,432.60
RFQ
B909-DNRS-S 44"110 Degree F12.06 Bar33 Degree F4"Valve to AccessoryNon Rising Stem Gate Valve€9,439.71
RFQ
C909-DNRS-S-FDA 44"110° F175 PSI33° F4"KitNon Rising Stem Gate Valve€14,511.08
RFQ
DSR909-OSY 44"110° F175 PSI33° F4"Valve to AccessoryOutside Stem And Yoke Gate Valve€14,885.34
RFQ
A909-DNRS-S-FDA 66"110 Degree F12.06 Bar33 Degree F6"Valve to AccessoryNon Rising Stem Gate Valve€21,603.63
RFQ
WATTS -

LF709 Series Double Check Valve Assemblies

StyleModelInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeValve TypePrice (ex. VAT)
ALF709-QT-FDA 2 1/22 1/2"110° F175 PSI33° F--€7,039.38
RFQ
ALF709-QT-S-FDA 2 1/22 1/2"110° F175 PSI33° F--€7,750.64
RFQ
ALF709-NRS-S 2 1/22 1/2"110° F175 PSI33° F2-1/2"Non Rising Stem Gate Valve€6,649.93
RFQ
ALF709-DNRS 2 1/22-1/2"110 Degree F12.1 Bar33 Degree F2-1/2"Non Rising Stem Gate Valve€5,887.55
RFQ
BLF709-NRS 2 1/22-1/2"110 Degree F12.1 Bar33 Degree F2-1/2"Non Rising Stem Gate Valve€5,502.23
RFQ
CLF709-QT-FDA 33"110° F175 PSI33° F3"Quarter Turn Ball Valve€7,729.95
RFQ
DLF709-DNRS 33"110° F175 PSI33° F3"Non Rising Stem Gate Valve€6,039.49
RFQ
CLF709-QT-S-FDA 33"110° F175 PSI33° F3"Quarter Turn Ball Valve€8,482.61
RFQ
CLF709-NRS-S-FDA 44"110 Degree F12.1 Bar33 Degree F4"Non Rising Stem Gate Valve€7,582.14
RFQ
CLF709-QT-S-FDA 44"110° F175 PSI33° F4"Quarter Turn Ball Valve€9,373.41
RFQ
CLF709-QT-FDA 44"110° F175 PSI33° F4"Quarter Turn Ball Valve€8,200.88
RFQ
DLF709-DNRS 44"110° F175 PSI33° F4"Non Rising Stem Gate Valve€6,409.61
RFQ
ELF709-NRS 44"110 Degree F12.1 Bar33 Degree F4"Non Rising Stem Gate Valve€6,409.61
RFQ
DLF709-DNRS 66"110° F175 PSI33° F6"Non Rising Stem Gate Valve€11,315.24
RFQ
CLF709-NRS-S-FDA 66"110 Degree F12.1 Bar33 Degree F6"Non Rising Stem Gate Valve€12,418.72
RFQ
ALF709-QT-FDA 66"110° F175 PSI33° F--€13,536.01
RFQ
CLF709-QT-S-FDA 88"110° F175 PSI33° F8"Quarter Turn Ball Valve€31,514.35
RFQ
DLF709-DNRS 88"110° F175 PSI33° F8"Non Rising Stem Gate Valve€24,103.59
RFQ
DLF709-NRS 88"110° F175 PSI33° F8"Non Rising Stem Gate Valve€22,525.20
RFQ
CLF709-QT-FDA 88"110 Degree F12.1 Bar33 Degree F8"Quarter Turn Ball Valve€28,834.62
RFQ
DLF709-NRS 1010"110° F175 PSI33° F10"Non Rising Stem Gate Valve€29,090.83
RFQ
DLF709-DNRS 1010"110° F175 PSI33° F10"Non Rising Stem Gate Valve€31,127.86
RFQ
CLF709-NRS-S-FDA 1010"110 Degree F12.1 Bar33 Degree F10"Non Rising Stem Gate Valve€34,117.68
RFQ
WATTS -

709 Series Double Check Valve Backflow Preventer Assemblies

StyleModelInlet ConnectionInlet SizeInlet TypeItemMax. Temp.Max. Working PressureMin. Temp.Outlet ConnectionPrice (ex. VAT)
A709-QT-S 6-6"Mechanical JointBall Valve110 Degree F12.1 Bar33 Degree F-€15,483.96
RFQ
A709-DNRS-S 8-8"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€24,875.10
RFQ
B709-QT-FDA 4--------€8,808.55
RFQ
C709-DNRS-S 10-10"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€34,351.21
RFQ
C709-DNRS-S 3-3"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€6,256.32
RFQ
A709-DNRS-S 6-6"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€7,043.55
RFQ
C709-DNRS-S 4-4"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€7,043.55
RFQ
C709-DNRS-S 2 1/2-2-1/2"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€6,256.32
RFQ
D709-DOSY 10--------€31,362.88
RFQ
DSR709-OSY 10-10"Flanged JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€31,241.11
RFQ
DSR709-OSY 6-6"Flanged JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€11,359.42
RFQ
A709-LF-BB 3--------€6,866.74
RFQ
D709-OSY 4--------€6,695.50
RFQ
D709-DOSY 6--------€11,521.00
RFQ
B709-QT 2 1/2-2-1/2"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€7,089.10
RFQ
DSR709-OSY 8-8"Flanged JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€24,194.18
RFQ
A709-NRS-S 3--------€7,390.91
RFQ
D709-OSY 6--------€10,464.48
RFQ
A709-NRS 3--------€5,127.97
RFQ
B709-QT 3-3"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€7,782.42
RFQ
B709-QT-S 2 1/2-2-1/2"Mechanical JointDouble Check Valve Assembly110 Degree F12.1 Bar33 Degree F-€7,805.88
RFQ
ESR709-OSY 3Flanged Joint3"Flanged JointDouble Check Valve Assembly110° F175 PSI33° FFlanged Joint€6,485.58
RFQ
ESR709-OSY 2 1/2Flanged Joint2 1/2"Flanged JointDouble Check Valve Assembly110° F175 PSI33° FFlanged Joint€5,909.65
RFQ
DSR709-OSY 4Flanged Joint4"Flanged JointDouble Check Valve Assembly110° F175 PSI33° FFlanged Joint€6,883.32
RFQ
F709-NRS 4Mechanical Joint4"-Double Check Valve Assembly110° F175 PSI33° FMechanical Joint€5,674.87
RFQ
WATTS -

007 Series Double Check Valve Assemblies

StyleModelBody MaterialDisc MaterialInlet SizeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeSeat MaterialPrice (ex. VAT)
A007M2-PC-QT 1 1/4BronzeRubber1-1/4"180 Degree F12.1 Bar33 Degree F1-1/4"Rubber€817.59
RFQ
BU007M1-QT-SH 1 1/2BronzeRubber1-1/2"180 Degree F12.1 Bar33 Degree F1-1/2"-€1,152.50
RFQ
CU007M2-QT-S 1 1/2BronzeRubber1-1/2"180 Degree F12.1 Bar33 Degree F1-1/2"-€1,422.51
RFQ
DU007M1-QT-Z3 1BronzeRubber1"180 Degree F12.1 Bar33 Degree F1"-€604.91
RFQ
EU007M1-QT-Z3 2BronzeRubber2"180 Degree F12.1 Bar33 Degree F2"-€1,305.81
RFQ
CU007M2-QT-S 3/4BronzeRubber3/4"180 Degree F12.1 Bar33 Degree F3/4"-€589.72
RFQ
DU007-QT 1/2BronzeRubber1/2"180 Degree F12.1 Bar33 Degree F1/2"-€429.53
RFQ
BU007M1-QT-SH 3/4BronzeRubber3/4"180 Degree F12.1 Bar33 Degree F3/4"-€533.10
RFQ
BU007M1-QT-SH 1 1/4BronzeRubber1-1/4"180 Degree F12.1 Bar33 Degree F1-1/4"-€1,044.80
RFQ
DU007M1-QT 3/4BronzeRubber3/4"180 Degree F12.1 Bar33 Degree F3/4"-€784.45
RFQ
F007M2-QT 1 1/4BronzeSilicone1 1/4"180° F175 PSI33° F1-1/4"Engineered Plastic€588.94
RFQ
DU007M1-QT 1BronzeRubber1"180 Degree F12.1 Bar33 Degree F1"-€559.34
RFQ
G007M3-QT-S 3/4BronzeSilicone3/4"180 Degree F12.1 Bar33 Degree F3/4"Engineered Plastic€519.28
RFQ
H007M1-PC-QT 1BronzeRubber1"180 Degree F12.1 Bar33 Degree F1"Rubber€555.19
RFQ
CU007M2-QT-S 1 1/4BronzeRubber1-1/4"180 Degree F12.1 Bar33 Degree F1-1/4"-€1,308.57
RFQ
I007M2-QT-CT 1 1/2BronzeSilicone1 1/2"180° F175 PSI33° F1-1/2"Engineered Plastic€856.97
RFQ
I007M2-QT-CT 1 1/4BronzeRubber1 1/4"180° F175 PSI33° F1-1/4"Rubber€680.86
RFQ
JD007-QT-S 1/2Bronze-1/2"180 Degree F12.1 Bar33 Degree F1/2"-€461.27
RFQ
F007M2-QT 1 1/2BronzeSilicone1 1/2"180° F175 PSI33° F1-1/2"Engineered Plastic€623.91
RFQ
K007M3-QT 3/4BronzeSilicone3/4"180 Degree F12.1 Bar33 Degree F3/4"Engineered Plastic€287.02
RFQ
K007M3-QT-SH 3/4BronzeRubber3/4"180 Degree F12.1 Bar33 Degree F3/4"Rubber€412.95
RFQ
L007M1-QT-CT 2BronzeSilicone2"180° F175 PSI33° F2"Engineered Plastic€960.54
RFQ
M007M1-QT 2BronzeSilicone2"180 Degree F12.1 Bar33 Degree F2"Engineered Plastic€793.13
RFQ
N007-QT 1/2BronzeSilicone1/2"180 Degree F12.1 Bar33 Degree F1/2"Engineered Plastic€259.05
RFQ
DU007M2-QT-Z3 3/4BronzeRubber3/4"180 Degree F12.1 Bar33 Degree F3/4"-€543.45
RFQ
WATTS -

LF009 Series Reduced Pressure Zone Assemblies

StyleModelBody MaterialInlet SizeInlet Thread TypeInlet TypeMax. Temp.Max. Working PressureMin. Temp.Outlet SizePrice (ex. VAT)
ALF009-NRS-S-FDA 2 1/2Cast Iron2-1/2"-Flanged Joint110 Degree F12 Bar36 Degree F2-1/2"€6,021.53
RFQ
BLF009-OSY 3Cast Iron3"-Flanged Joint110 Degree F12 Bar37 Degree F3"€6,288.07
RFQ
CLF009-LF 3Cast Iron3"-Female Threaded110 Degree F12.1 Bar-3"€4,768.90
RFQ
BLF009-DOSY 3Cast Iron3"-Female Threaded180 Degree F12 Bar33 Degree F3"€6,991.07
RFQ
DLF009-DNRS 3Cast Iron3"-Female Threaded110 Degree F12.1 Bar-3"€6,267.35
RFQ
BLF009-DOSY 2 1/2Cast Iron2-1/2"-Female Threaded110 Degree F12.1 Bar-2-1/2"€5,992.52
RFQ
CLF009-LF 2 1/2Cast Iron2-1/2"-Female Threaded110 Degree F12.1 Bar-2-1/2"€4,190.21
RFQ
ELF009M2-QT-S 1Lead Free Bronze---180 Degrees F---€795.13
FLF009M2-PC-QT 1Lead Free Bronze1"FPTFemale Threaded180° F175 PSI33° F1"€1,029.61
RFQ
GLF009M3-QT-S 3/4Lead Free Bronze3/4"-Female Threaded180 Degree F12 Bar33 Degree F3/4"€568.13
RFQ
HLF009M2-QT 1 1/2Lead Free Bronze1 1/2"NPTFemale Threaded180° F175 PSI33° F1-1/2"€1,079.39
RFQ
ILF009M3-QT 3/4Lead Free Bronze3/4"-Female Threaded180 Degree F12 Bar33 Degree F3/4"-
RFQ
JLF009M2-QT-S 1Lead Free Bronze1"-Female Threaded180 Degree F12 Bar33 Degree F1"€563.17
RFQ
DLF009M2-QT-CT 1Lead Free Bronze1"-Female Threaded180 Degree F12.1 Bar33 Degree F1"€1,063.44
RFQ
KLF009M2-LF 1 1/4Lead Free Bronze1-1/4"-Female Threaded180 Degree F12.1 Bar33 Degree F1-1/4"€1,382.47
RFQ
LLF009M2-PC-QT 3/4Lead Free Bronze3/4"-Female Threaded180 Degree F12.1 Bar33 Degree F3/4"€872.87
RFQ
KLF009M3-LF 3/4Lead Free Bronze3/4"-Female Threaded180 Degree F12.1 Bar33 Degree F3/4"€746.47
RFQ
MLF009M2-PC-QT 2Lead Free Bronze2"FPTFemale Threaded180° F175 PSI33° F2"€2,006.73
RFQ
NLF009M3-QT (W/PRESS) 3/4Lead Free Bronze3/4"-Press180 Degree F12.1 Bar33 Degree F3/4"€543.59
RFQ
OLF009-QT-S 1/2Lead Free Bronze1/2"NPTFemale Threaded180° F175 PSI33° F1/2"€484.77
RFQ
PLF009M2-QT 2Lead Free Bronze2"-Female Threaded180 Degree F12 Bar33 Degree F2"-
RFQ
ILF009M3-QT-CT 3/4Lead Free Bronze3/4"-Female Threaded180 Degree F12.1 Bar33 Degree F3/4"€899.78
RFQ
QLF009M2-LF 1Lead Free Bronze1"FPTFemale Threaded180° F175 PSI33° F1"€868.69
RFQ
RLF009M2-QT 1 1/4Lead Free Bronze1 1/4"NPTFemale Threaded180° F175 PSI33° F1-1/4"€1,014.32
RFQ
SLF009M2-QT-S 1 1/2Lead Free Bronze1-1/2"-Female Threaded180 Degree F12 Bar33 Degree F1-1/2"€1,173.55
RFQ
WATTS -

Dual Check Valves

StyleModelBody MaterialDisc MaterialInlet ConnectionInlet SizeInlet Thread TypeInlet TypeItemMax. Temp.Price (ex. VAT)
A912-HP 3/4"BrassRubber-3/4"-Female ThreadedDual Check Valve180 Degree F€696.83
BSA9DBrassRubber-3/4"-Union Female ThreadedDual Check Valve250 Degree F€59.04
CCU7-U3-U3 1X1Copper-Male Threaded1"NPT-Dual Check Valve180° F€154.00
RFQ
DCU7-U2-U2 3/4X3/4Copper-Female Threaded3/4"NPT-Dual Check Valve180° F€99.92
RFQ
ECU7-U2-U2 1/2X1/2Copper-Female Threaded1/2"NPT-Dual Check Valve180° F€90.45
RFQ
FCU7-U2-U2 1X1Copper-Female Threaded1"NPT-Dual Check Valve180° F€106.41
RFQ
GLFH7C 3/4Lead Free BrassSilicone-3/4"-Female ThreadedDual Check Valve180 Degree F€330.77
HLF7-U2-2 1/2X1/2Lead Free Cast Copper Silicon AlloySiliconeUnion Joint1/2"FPT-Double Check Valve Assembly-€171.97
RFQ
WATTS -

U009 Series Reduced Pressure Zone Assemblies

StyleModelInlet SizeOutlet SizePrice (ex. VAT)
AU009M2-A-PC-QT 1 1/21-1/2"1-1/2"€1,719.45
RFQ
BU009-PC-QT-S 1/21/2"1/2"€738.88
RFQ
CU009M2-QT 3/43/4"3/4"€684.31
RFQ
WATTS -

009 Series Reduced Pressure Zone Assemblies

StyleModelInlet ConnectionInlet SizeInlet TypeMax. Temp.Max. Working PressureMfr. SeriesMin. Temp.Outlet ConnectionPrice (ex. VAT)
A009-LF 1/2-1/2"Female Threaded180 Degree F12.1 Bar933 Degree F-€425.36
RFQ
B009-M1-QTS---180 Degrees F----€697.11
C009-PC-QT 1/2-1/2"Female Threaded180 Degree F12.1 Bar933 Degree F-€640.14
RFQ
D009M2-QT HC 2-2-1/2"Female Threaded180 Degree F12.1 Bar933 Degree F-€1,965.29
RFQ
EU009M2-QT-S-SH 3/4-3/4"Union Joint180 Degree F12 BarU00933 Degree F-€881.14
RFQ
E009M2-QT-BC 1-1"Female Threaded180 Degree F12.1 Bar933 Degree F-€850.76
RFQ
E009M3-QT-BC 3/4-3/4"Female Threaded180 Degree F12.1 Bar933 Degree F-€720.22
RFQ
EU009M2-LF 3/4-3/4"Union Joint180 Degree F12 BarU00933 Degree F-€688.45
RFQ
E009-QT-SC 1/2--------€836.25
RFQ
A009M3-LF 3/4-3/4"Female Threaded180 Degree F12.1 Bar933 Degree F-€597.33
RFQ
F009M2-PC-QT 1 1/2Female Threaded1 1/2"Female Threaded180° F175 PSI933° FFemale Threaded€1,394.89
RFQ
G009M2-LF 1Female Threaded1"Female Threaded180° F175 PSI933° FFemale Threaded€696.05
RFQ
H009M2-LF 1 1/4Female Threaded1 1/4"Female Threaded180° F175 PSI933° FFemale Threaded€1,105.56
RFQ
F009M2-QT-SH 1 1/2Female Threaded1 1/2"Female Threaded180° F175 PSI933° FFemale Threaded€1,291.31
RFQ
I009M2-QT-CT 1Female Threaded1"Female Threaded180° F175 PSI933° FFemale Threaded€850.76
RFQ
F009M2-PC-QT 1Female Threaded1"Female Threaded180° F175 PSI933° FFemale Threaded€823.81
RFQ
J009-QT-CT 1/2Female Threaded1/2"Female Threaded180° F175 PSI933° FFemale Threaded€542.06
RFQ
F009M2-QT 2Female Threaded2"Female Threaded180° F175 PSI933° FFemale Threaded€986.13
RFQ
K009M2-LF 2Female Threaded2"Female Threaded180° F175 PSI933° FFemale Threaded€1,280.96
RFQ
LU009M2-QT 1 1/4Union Joint1 1/4"Union Joint180° F175 PSIU00933° FUnion Joint€1,254.01
RFQ
MU009M2-A-PC-QT 2Union Joint2"Union Joint180° F175 PSIU00933° FUnion Joint€2,056.43
RFQ
NU009M2-QT-S 2Union Joint2"Union Joint180° F175 PSIU00933° FUnion Joint€2,017.76
RFQ
OU009M2-QT-S-SH 1 1/2Union Joint1 1/2"Union Joint180° F175 PSIU00933° FUnion Joint€1,810.61
RFQ
PU009M2-QT-S-SH 1 1/4Union Joint1 1/4"Union Joint180° F175 PSIU00933° FUnion Joint€1,611.73
RFQ
QU009M2-QT 2Union Joint2"Union Joint180° F175 PSIU00933° FUnion Joint€1,661.43
RFQ
WATTS -

957RPDA Series Reduced Pressure Zone Assemblies

StyleModelBody StyleInlet SizeInlet TypeMax. Temp.Max. Working PressureMin. Temp.Outlet SizeOutlet TypePrice (ex. VAT)
A957RPDA-OSY-GPM 4Inline4"Flanged Joint140 Degree F12.1 Bar33 Degree F4"Flanged Joint€6,393.03
RFQ
A957RPDA-OSY-GPM 6Inline6"Flanged Joint140 Degree F12.1 Bar33 Degree F6"Flanged Joint€9,207.69
RFQ
A957RPDA-OSY-GPM 8Inline8"Flanged Joint140 Degree F12.1 Bar33 Degree F8"Flanged Joint€15,171.22
RFQ
B957RPDA-OSY-LM 10Straight10"Grooved Joint110 Degree F12.06 Bar33 Degree F10"Grooved Joint€17,635.61
RFQ
C957RPDA-DOSY-CFM 8Straight8"Grooved Joint110° F175 PSI33° F8"Grooved Joint€15,171.22
RFQ
C957RPDA-DOSY-CFM 4Straight4"Grooved Joint110° F175 PSI33° F4"Grooved Joint€7,223.07
RFQ
C957RPDA-DOSY-CFM 6Straight6"Grooved Joint110° F175 PSI33° F6"Grooved Joint€10,406.46
RFQ
C957RPDA-DOSY-GPM 4Straight4"Grooved Joint110° F175 PSI33° F4"Grooved Joint€7,223.07
RFQ
A957RPDA-DOSY-GPM 8Straight8"Grooved Joint110 Degree F12.06 Bar33 Degree F8"Grooved Joint€15,171.22
RFQ
A957RPDA-OSY-GPM 2 1/2Straight2-1/2"Grooved Joint110 Degree F12.06 Bar33 Degree F2-1/2"Grooved Joint€4,407.02
RFQ
A957RPDA-OSY-GPM 3Straight3"Grooved Joint110 Degree F12.06 Bar33 Degree F3"Grooved Joint€4,893.18
RFQ
A957RPDA-OSY-GPM 10Straight10"Grooved Joint110 Degree F12.06 Bar33 Degree F10"Grooved Joint€17,734.20
RFQ
B957RPDA-OSY-LM 4Straight4"Grooved Joint110 Degree F12.06 Bar33 Degree F4"Grooved Joint€6,293.60
RFQ
WATTS -

Hose Connection Vacuum Breakers

StyleModelInlet SizeMax. Temp.Max. Working PressureMfr. SeriesMin. Temp.Outlet SizePrice (ex. VAT)
AS8-PC-NPSM1/2"180 Degree F8.6 Bar833 Degree F1/2"€140.87
BNF-8I3/4"180° F125 psiNF833° F3/4"€59.04
C8FR 3/43/4"180 Degree F8.6 Bar8FR-3/4"€38.77
DNF-8 3/43/4"180 Degree F8.6 BarNF833 Degree F3/4"€49.20
StyleModelInlet ConnectionInlet SizeInlet TypeOutlet SizePrice (ex. VAT)
ALF957NRPDA-OSY-LM 8Flanged Joint8"Flanged Joint8"€20,058.56
RFQ
ALF957NRPDA-OSY-CFM 4Flanged Joint4"Flanged Joint4"€9,285.03
RFQ
ALF957NRPDA-DOSY-CFM 8Grooved Joint8"Grooved Joint8"€20,168.46
RFQ
WATTS -

4000SS Series Reduced Pressure Zone Assemblies

StyleModelInlet SizePrice (ex. VAT)
A4000SS-F-OSY 44"€6,648.54
RFQ
B4000SS-LG 1010"€19,388.91
RFQ
A4000SS-OSY 1010"€26,497.22
RFQ
C4000SS-NRS 1010"€26,211.30
RFQ
WATTS -

Vacuum Breakers

StyleModelItemPrice (ex. VAT)
ALFFRVB-BAtmospheric Vacuum Breaker€104.68
RFQ
BLFFRVB-AAtmospheric Vacuum Breaker€93.67
RFQ
B2" LF800M4-QTPressure Vacuum Breaker€5,983.60
C800M4-FRVacuum Breaker€941.27
D1 1/2 800M4-QTVacuum Breaker€1,265.83
E1 1/2 LF288AM2Vacuum Breaker€1,011.89
F1 1/2 LF800M4-QTVacuum Breaker€1,671.91
D1 1/2 LF800M4-FRVacuum Breaker€1,848.96
E1 1/4 LF288AM2Vacuum Breaker€849.21
GLF800M4QT 1/2Vacuum Breaker€670.66
H1/2 LF800M4-FRVacuum Breaker€730.25
I2 800M4-QTVacuum Breaker€1,355.45
J3/4 8PVacuum Breaker€43.45
DLF800M4FR 1Vacuum Breaker€743.01
HLF800M4FR 3/4Vacuum Breaker€734.17
K1 188AVacuum Breaker€323.02
D1 1/4 800M4-QTVacuum Breaker€1,037.57
WATTS -

Double Check Valve Backflow Preventer Assemblies

StyleModelBody MaterialDisc MaterialInlet SizeItemMax. Temp.Min. Temp.Seat MaterialPrice (ex. VAT)
A200-LBV 2BronzeSilicone2"Double Check Valve Assembly180° F33° FRubber€816.93
RFQ
B870V-4-DC-LG-DIN-N&VDuctile IronEPDM4"Reduced Press. Zone Assembly140° F32° FStainless Steel€3,063.24
RFQ
WATTS -

Backflow Preventers

StyleModelInlet SizePrice (ex. VAT)
A994-NRS-€4,853.34
B919A-QT--
RFQ
CL7U2-2-TC-QT 11"€807.93
RFQ
DL7U2-2-TC 3/43/4"€631.85
RFQ
WATTS -

5000SS Series Reduced Pressure Detector Assemblies

StyleModelInlet ConnectionInlet SizePrice (ex. VAT)
A5000SS-DOSY-FXG-GPM 3Flanged Joint3"€6,499.38
RFQ
B5000SS-DOSY-FXG-GPM 6Flanged Joint6"€11,248.95
RFQ
C5000SS-DOSY-GXG-GPM 4Grooved Joint4"€8,198.11
RFQ
D5000SS-DOSY-GXG-GPM 6Grooved Joint6"€12,036.16
RFQ
WATTS -

5000SS Series Reduced Pressure Zone Assemblies

StyleModelInlet SizePrice (ex. VAT)
A5000SS-LG-GPM 2 1/22 1/2"€4,774.40
RFQ
B5000SS-OSY-GPM 2 1/22 1/2"€5,879.27
RFQ
A5000SS-LG-GPM 33"€5,228.79
RFQ
C5000SS-OSY-GPM 33"€6,499.38
RFQ
C5000SS-OSY-GPM 44"€7,662.27
RFQ
A5000SS-LG-GPM 44"€6,236.97
RFQ
A5000SS-LG-GPM 66"€9,036.44
RFQ
C5000SS-OSY-GPM 66"€11,248.95
RFQ
StyleModelPrice (ex. VAT)
ALFFBV-M 1/2 A€91.36
ALFFBV-M 3/4€113.95
WATTS -

Ames Colt Series C500 Reduced Pressure Detector Assemblies

StyleModelBody PatternInlet SizePrice (ex. VAT)
AC500-DOSY-G 6Straight6"€10,463.09
RFQ
BC500-OSY-LM 2 1/2Straight2 1/2"€4,745.40
RFQ
BC500-OSY-LM 10Straight10"€23,395.79
RFQ
BC500-OSY-LM 4Straight4"€6,212.12
RFQ
AC500-DOSY-C 4Straight4"€7,127.78
RFQ
AC500-DOSY-C 8Straight8"€16,469.17
RFQ
AC500-DOSY-G 8Straight8"€16,469.17
RFQ
AC500-DOSY-G 4Straight4"€7,127.78
RFQ
BC500-OSY-LM 8Straight8"€16,373.39
RFQ
BC500Z-OSY-LM 8Z Pattern8"€17,842.66
RFQ
BC500Z-OSY-GPM 10Z Pattern10"€26,827.42
RFQ
BC500Z-OSY-LM 6Z Pattern6"€10,221.42
RFQ
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Frequently Asked Questions

How does backflow occur?

Backflow is generated by cross-connections that have the possibility of permitting pollutants into the drinking water system. Back siphonage can happen when the pressure in a tank is less than the water system's pressure.

Can check valves prevent backflow?

Check valves offer a basic form of backflow prevention, stopping water from flowing in the wrong direction.

Are dual check valves the same as backflow preventers?

Double-check valves (also known as double-check assembly) are somewhere in between a check valve and a backflow preventer. They are usually installed in places where backflow requires to be contained with a one-way valve, but the investment needs to be less than a backflow preventer.

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