Model 350DA 3 in. Ductile Iron Flanged 350 psi Backflow Preventer

Part #W350DALFM  |  Item #4802210  |  Manufacturer Part #3-350DA

$4,737.50 EACH

Valve Size:

Packaging Info:
  • Quantity Per 
  • Each: 1
  • Inner pack: 1

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Product Details

  • Horizontal or vertical installation offers versatility and eases installation
  • Lowest lifecycle costs in the Backflow industry
  • Patented Compound Check offers reliable performance and improved flow characteristics
  • Leak and unauthorized water use detection decreases risk of damage and unnecessary costs
  • ASSE® Listed 1048
  • CSA® Certified B64.5
  • AWWA Compliant C510
  • UL® Classified
  • C-UL® Classified
  • FM® Approved

Lead Law Compliant



ANSI Specifications: ANSI 61

ASSE Standards: ASSE 1048

AWWA Specifications: AWWA C-510

CSA Certified: CSA

Coating: Fusion Epoxy

Collection: Model 350DA

Depth: 11-1/2 in

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged x Flanged

FM Approved: Yes

Height: 28-3/10 in

High Pressure: 175

IAPMO Listed: No

Installation Type: Horizontal Mount, Vertical Mount

Lead Law Compliant: Yes

Length: 36-4/5 in

Material: Ductile Iron, Rubber, Stainless Steel

Material Type: 300, Buna-N

Maximum Pressure: 350 psi

Maximum Temperature: 140

Minimum Temperature: 33

NSF Certified: Yes

Number of Handles: Two Handle

Recommended Valve Application: Potable Water

Schedule Class: 40

Size: 3 in

UL Listed: Yes

Valve Body Style: Grooved

Valve Disc Material: EPDM

Valve Port Opening: Full Port

Valve Seat Material: Noryl

Valve Size: 3 in

Valve Stem: Outside

Valve Type: Double Check Detector Assembly

Weight: 267

Weight Capacity: 19.3

Width: 19-3/10 in