Model 350DA 4 in. Ductile Iron Flanged 350 psi Backflow Preventer

Part #W350DALP  |  Item #2436626  |  Manufacturer Part #4-350DAL

Valve Size:

4 in

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Product Details

  • Less shut-off valves (flanged body connections)

Not Approved for Potable Water Applications



ANSI Specifications: ANSI 61

ASME Specifications: ASME B16.42 Class 150

ASSE Standards: ASSE 1048

ASTM Specifications: ASTM A-276, ASTM A-536

AWWA Specifications: AWWA C-510, AWWA C-550

CSA Certified: CSA B64.5

Coating: Epoxy

Collection: Model 350DA

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

FM Approved: Yes

Height: 1-3/10 in

High Pressure: 175

IAPMO Listed: No

Lead Law Compliance Level: Not Approved for Potable Water Applications

Length: 36-4/5 in

Material: Plastic, Rubber, Stainless Steel

Material Type: 300, Buna-N, Noryl®

Maximum Pressure: 175 psi

Maximum Temperature: 140

NSF Certified: Yes

NSF Specifications: NSF 61

Number of Handles: Two Handle

Recommended Valve Application: Fire Protection

Temperature Range: Up to 140 Deg F

UL Listed: Yes

Valve Body Material: Ductile Iron

Valve Body Style: OS&Y

Valve Disc Material: EPDM

Valve Operator: Wheel Handle

Valve Port Opening: Full Port

Valve Seat Material: EPDM

Valve Size: 4 in

Valve Type: Double Check Detector Assembly

Weight: 171.5

Width: 19-3/10 in