FlowShield™ DuC-AV, Dual check with atmospheric vent backflow preventer
Product Description
Dual check with atmospheric vent backflow preventer
Complete with:
- Low lead/lead free DZR brass body
- Intermediate atmospheric vent
- Dual union connections
Connection Options:
- Sizes: 1/2” - 3/4”
- Connection Types: NPT female, press, sweat
Technical data
Material:
DZR low lead brass
Medium temperature range:
32 – 210 °F
Maximum working pressure:
175 psi
Certifications
pdf
Drawings and specifications
| Part number | Inlet Connection | Outlet Connection | Actions |
|---|---|---|---|
| 573403A | 1/2" NPT female union |
1/2" NPT female union |
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3D models
Tender text
CALEFFI, 573403A, FlowShield™ DuC-AV.
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing
Protects potable water systems from backflow of contaminated fluids
Inlet Connection: 1/2" NPT female, union. Outlet Connection: 1/2" NPT female, union. Maximum working pressure: 175 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
SCIP code
9d1be477-1621-493b-88dd-d779dfe00d24
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| 573406A | 1/2" Press union |
1/2" Press union |
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3D models
Tender text
CALEFFI, 573406A, FlowShield™ DuC-AV.
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing
Protects potable water systems from backflow of contaminated fluids
Inlet Connection: 1/2" Press, union. Outlet Connection: 1/2" Press, union. Maximum working pressure: 175 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
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| 573409A | 1/2" Sweat union |
1/2" Sweat union |
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|
3D models
Tender text
CALEFFI, 573409A, FlowShield™ DuC-AV.
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing
Protects potable water systems from backflow of contaminated fluids
Inlet Connection: 1/2" Sweat, union. Outlet Connection: 1/2" Sweat, union. Maximum working pressure: 175 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
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| 573493A | 1/2" Sweat union |
1/2" NPT female union |
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|
3D models
Tender text
CALEFFI, 573493A, FlowShield™ DuC-AV.
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing
Protects potable water systems from backflow of contaminated fluids
Inlet Connection: 1/2" Sweat, union. Outlet Connection: 1/2" NPT female, union. Maximum working pressure: 175 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
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| 573503A | 3/4" NPT female union |
3/4" NPT female union |
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3D models
Tender text
CALEFFI, 573503A, FlowShield™ DuC-AV.
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing
Protects potable water systems from backflow of contaminated fluids
Inlet Connection: 3/4" NPT female, union. Outlet Connection: 3/4" NPT female, union. Maximum working pressure: 175 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
SCIP code
ad49344d-6fe6-4a6d-baab-a1baf0a898b9
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| 573100A | 1" G (ISO 228-1A) M union |
1" G (ISO 228-1A) M union |
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3D models
Tender text
CALEFFI, 573100A, FlowShield™ DuC-AV.
Dual check backflow preventer with atmospheric vent
Dual union for easy servicing and testing
Protects potable water systems from backflow of contaminated fluids
Inlet Connection: 1" G (ISO 228-1A) M, union. Outlet Connection: 1" G (ISO 228-1A) M, union. Maximum working pressure: 175 psi. Medium temperature range: 32 – 210 °F. Material: DZR low lead brass.
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