Watts

Series 774 4 in. Flanged 175 psi Stainless Steel Double Check Valve Assembly

Part #W774NRSP  |  Manufacturer Part #0438000

Valve Size:

4 in
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Product Details

  • Stainless steel construction provides long term corrosion protection and maximum strength
  • Single top access cover with two-bolt grooved style coupling for easy maintenance
  • Thermoplastic and stainless steel check valves for trouble free operation
  • Compact construction allows for smaller vaults and enclosures

Lead Law Compliant

Documents

Specifications

ADA Compliant: No

ASSE Standards: ASSE 1015

AWWA Specifications: AWWA C-510 1992

BAA Compliant: Yes

CSA Certified: CSA B64.5

Collection: Series 774

Color Finish: Stainless Steel

Color Finish Category: Stainless Steel

Depth: 41-63/100 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: 30-3/4 in

High Pressure: 175

IAPMO Listed: No

Lead Law Compliant: Yes

Length: 40 in

Material: Stainless Steel

Maximum Pressure: 175 psi

Maximum Temperature: 110

Minimum Temperature: 33

NSF Certified: No

Temperature Range: 33 to 140 Deg F

Type: W774NRSP

UL Listed: No

Valve Body Material: Stainless Steel

Valve Operator: Wheel Handle

Valve Size: 4 in

Valve Stem: Non-rising

Valve Type: Backflow Preventer

Weight: 225

Width: 26 in