4 in. Stainless Steel Flanged 175 psi Backflow Preventer
This product has been replaced by
Watts 4 in. Stainless Steel Flanged 175 psi Backflow Preventer
Manufacturer Part #F111586
Manufacturer Part #F111586
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Watts
Series 957 4 in. Stainless Steel Flanged 175 psi Backflow Preventer
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Purchase history
Watts
Series 957
4 in. Stainless Steel Flanged 175 psi Backflow Preventer
0111586
Order #
Order Date
Job Name
My PO#
Product Details
- Extremely compact design
- 70% lighter than traditional designs
- Replaceable check disc rubber
- Lead-Free
- Unmatched ease of serviceability
- Bottom mounted cast stainless steel relief valve
- Patented torsion spring checks provide lowest pressure loss
- Groove fittings allow integral pipeline adjustment
-
Lead Law Compliant
Specifications
- ADA Compliant:
- No
- ASSE Standards:
- ASSE 1013
- AWWA:
- AWWA C-511
- Application:
- Health Hazard
- BAA Compliant:
- Yes
- CSA Certified:
- CSA B64.4
- Collection:
- Series 957
- Color Finish Category:
- Stainless Steel
- Color Finish Name:
- Stainless Steel
- Depth:
- 35-41/100 in
- End Connection 1:
- Flanged
- End Connection 2:
- Flanged
- End Connections:
- Flanged
- FM Approved:
- Yes
- Fitting Size 1:
- 4 in
- Fitting Size 2:
- 4 in
- Fitting Sizes:
- 4 in
- Height:
- 29-3/4 in
- Installation Type:
- Horizontal
- Lead Law Compliance Level:
- Lead Law Compliant and Certified
- Lead Law Compliant:
- Yes
- Length:
- 33-3/4 in
- Material:
- Stainless Steel
- Material Type:
- 304
- Maximum Temperature:
- 140
- Minimum Temperature:
- 33
- NSF:
- NSF 61G
- NSF Certified:
- Yes
- Pressure - Maximum:
- 175 psi
- Recommended Valve Application:
- Water
- UL Listed:
- Yes
- Valve Body Material:
- Stainless Steel
- Valve Body Style:
- Inline
- Valve Disc Material:
- Silicone
- Valve Operator:
- Cross Handwheel
- Valve Seat Material:
- Engineered Plastic
- Valve Size:
- 4 in
- Valve Type:
- Reduced Pressure Zone Assembly
- Weight:
- 164 lb
- Width:
- 26 in