2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer
Watts
Series 957-FS 2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer
Package Quantity Info:
Each: 1 Inner Pack: 1
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Purchase history
Watts
Series 957-FS
2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer
F111602
Order #
Order Date
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Product Details
Product Description
- Features an integrated flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
- Alert features available with add-on sensor connection kit
- 304 (Schedule 40) stainless steel housing and sleeve
- UL and FM outside stem and yoke resilient seated gate valves
- Replaceable check disc rubber
- Bottom mounted cast stainless steel relief valve
- Compact design allows small enclosures to be used
- Groove couplings for ease of installation and pipe alignment
- The maximum working pressure is 175 psi (12.06 bar)
Dimensions & Measurements
End Connection 1
Flanged
End Connection 2
Flanged
End Connections
Flanged
Height
32 in
Length
30-3/4 in
Pressure - Maximum
175 psi
Valve Size
2-1/2 in
Weight
211 lb
Width
22 in
Included Components
Included
Flood Sensor, Shutoff Valve(s)
Characteristics & Features
Coating
Polymer
Collection
Series 957-FS
Installation Type
Horizontal
Material
Stainless Steel, Plastic
Material Type
304, Silicone
Number of Handles
Two Handle
Proposition 65
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
Valve Body Material
Stainless Steel
Valve Body Style
Inline
Valve Disc Material
Silicone
Valve Operator
Cross Handwheel
Valve Seat Material
Engineered Plastic
Valve Stem
Non-Rising
Valve Type
Reduced Pressure Zone Assembly
Electrical & Operational Information
Maximum Temperature
140
Minimum Temperature
33
Temperature Range
33 to 140 Deg F
Warranty & Product Information
ANSI
ANSI 61-G
ASSE Standards
ASSE 1013
AWWA
AWWA C-511-97
BAA Compliant
No
CSA Certified
CSA B64.4
Lead Law Compliance Level
Applicable to Lead Leaching, Not Compliant
NSF
NSF 61-G
NSF Certified
Yes
Recommended Valve Application
Commercial, Industrial, Water
UL Listed
No
UPC
098268479577