4 in. Ductile Iron Grooved 350 psi Backflow Preventer
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Zurn Wilkins
Model 350ASTDA 4 in. Ductile Iron Grooved 350 psi Backflow Preventer
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Purchase history
Zurn Wilkins
Model 350ASTDA
4 in. Ductile Iron Grooved 350 psi Backflow Preventer
4-350ASTDABG
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Product Details
- Metered bypass ensures cost-savings related to unauthorized water use and leaks
- High quality 304L grade stainless steel body and access covers reduces corrosion exposure
- Short lay-length ensures easy installation in compact spaces
- UL® classified
- ASSE® listed 1048
- AWWA compliant C510 (with gates only), and C550
- Lead-free law compliant
- Compliant with horizontal and vertical installation
- FM® approved
- C-UL® classified
-
Lead Law Compliant
Specifications
- ANSI:
- ANSI 61
- ASSE Standards:
- ASSE 1048
- ASTM:
- ASTM A-276
- AWWA:
- AWWA C-510, AWWA C-550, AWWA C-606
- CSA Certified:
- CSA B64.5
- Coating:
- Epoxy
- Collection:
- Model 350ASTDA
- End Connection 1:
- Grooved
- End Connection 2:
- Grooved
- End Connections:
- Grooved
- FM Approved:
- Yes
- Height:
- 21 in
- IAPMO Listed -:
- Yes
- Installation Type:
- Horizontal, Vertical
- Lead Law Compliance Level:
- Lead Law Compliant and Certified
- Lead Law Compliant:
- Yes
- Length:
- 21-1/2 in
- Material:
- Stainless Steel, Ductile Iron, Plastic, Rubber
- Material Type:
- 300, 304L, Buna-N, Noryl®, EPDM
- NSF:
- NSF 61
- NSF Certified:
- Yes
- Number of Handles:
- Two Handle
- Pressure - High:
- 175
- Pressure - Maximum:
- 350 psi
- Recommended Valve Application:
- Fire Protection, Potable Water, Waterworks
- Schedule Class:
- 40
- Size:
- 4 in
- Temperature Range:
- Up to 140 Deg F
- UL Listed:
- Yes
- Valve Body Material:
- 304L Stainless Steel
- Valve Body Style:
- Grooved
- Valve Disc Material:
- EPDM
- Valve Operator:
- Hand Wheel
- Valve Port Opening:
- Full Port
- Valve Seat Material:
- Noryl
- Valve Size:
- 4 in
- Valve Stem:
- Outside
- Valve Type:
- Double Check Detector Assembly
- Weight:
- 151 lb
- Weight Capacity:
- 32.3 lb
- Width:
- 32-3/10 in