Watts
Series 9D 2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer
Part #W957OSYL | Item #2148474 | Manufacturer Part #0111584
Valve Size
Product 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
ASSE Standards: ASSE 1013
AWWA Specifications: AWWA C-511
Application: Health Hazard
BAA Compliant: Yes
CSA Certified: CSA B64.4
Collection: Series 9D
Color Finish: Satin Chrome
Color Finish Category: Chromes
Depth: 2-1/2 in
End Connection 1: FNPT Union
End Connection 2: Union Joint
End Connections: Union Female Threaded x Union
FM Approved: Yes
Fitting Size 1: 1/2 in
Fitting Size 2: 1/2 in
Fitting Sizes: 1/2 in
Height: 5-3/4 in
Installation Type: Horizontal
Lead Law Compliant: Yes
Length: 30-3/4 in
Material: Brass
Maximum Pressure: 175 psi
Maximum Temperature: 140
Minimum Temperature: 33
NSF Certified: Yes
NSF Specifications: NSF 61G
Recommended Valve Application: Water
UL Listed: Yes
Valve Body Material: Stainless Steel
Valve Body Style: Inline
Valve Disc Material: Rubber
Valve Operator: Cross Handwheel
Valve Seat Material: Rubber
Valve Size: 1/2 in
Valve Type: Reduced Pressure Zone Assembly
Weight: 128
Width: 2-1/4 in