Deringer 50/50G 4 in. 304 Stainless Steel Flanged Backflow Preventer

Part #AD50GCFM  |  Manufacturer Part #D-4050G-CFM

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Product Details

  • Resiliently seated and inline OSY shutoff valves
  • Dual-action check module for low-and high-flow performance
  • Prewired supervisory switches
  • Tamper-resistant test cocks


ADA Compliant: No

ANSI Specifications: [ANSI 372, ANSI B16.1 Class 125]

AWWA Specifications: [AWWA C-509, AWWA C-511 2007, AWWA C-606]

Application: Commercial

Collection: Deringer 50/50G

Color Finish: Stainless Steel

Color Finish Category: Stainless Steel

Depth: 24 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: 42 in

High Pressure: 175

IAPMO Listed: No

Installation Type: Horizontal

Length: 33-9/10 in

Low Pressure: 10

Material: Stainless Steel

Material Type: 304

Maximum Pressure: 175 psi

Maximum Temperature: 140

Minimum Temperature: 33

NSF Certified: Yes

NSF Specifications: NSF 372

Number of Handles: Two Handle

Recommended Valve Application: [Fire Protection, Irrigation, Plumbing, Waterworks]

Temperature Range: 33 to 140 Deg F (0.55 to 60 Deg C)

Type: Reduced Pressure Detector Assembly

UL Listed: UL 3

Valve Body Material: 304 Stainless Steel

Valve Body Style: Inline

Valve Disc Material: Silicone

Valve Operator: Wheel Handle

Valve Port Opening: Full Port

Valve Seat Material: [Noryl, Polymer]

Valve Size: 4 in

Valve Stem: Outside

Valve Type: Backflow Preventer

Weight: 217

Width: 45 in