Watts
6 in. 304 Stainless Steel Flanged Backflow Preventer
Part #W957NOSYU | Item #2148549 | Manufacturer Part #0111593
Valve Size:
6 inProduct Details
- Replaceable check disc rubber
- Extremely compact design
- 70% lighter than traditional designs
- Groove fittings allow integral pipeline adjustment
- Patented torsion spring checks provide lowest pressure loss
- Unmatched ease of serviceability
- Bottom mounted cast stainless steel relief valve
- Lead-Free
Specifications
ADA Compliant: No
ANSI Specifications: ANSI 61 Annex G
ASSE Standards: ASSE 1013
AWWA Specifications: AWWA C-511
Application: Health Hazard
CSA Certified: CSA B64.4
Color Finish: Stainless Steel
Color Finish Category: Blacks
Depth: 23-3/16 in
Diameter: 1/2 in
End Connection 1: Flanged
End Connection 2: Flanged
End Connections: Flanged
FM Approved: Yes
Height: 38-5/8 in
High Pressure: 175
IAPMO Listed: No
Installation Type: Horizontal
Lead Law Compliant: Yes
Length: 43-1/2 in
Maximum Pressure: 175 psi
Maximum Temperature: 140
NSF Certified: Yes
NSF Specifications: NSF 61G
Number of Handles: Two Handle
Recommended Valve Application: Water
Schedule Class: 40
Temperature Range: 33 to 140 Deg F (0.5 to 60 Deg C)
Type: W957NOSYU
UL Listed: Yes
Valve Body Material: Stainless Steel
Valve Body Style: N Pattern
Valve Disc Material: Rubber
Valve Operator: Wheel Handle
Valve Size: 6 in
Valve Type: Reduced Pressure Zone Assembly
Weight: 339
Width: 15 in