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Double Check Valve Assy, Lead-Free, N-Pattern, Flanged NRS x Grooved NRS
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Double Check Valve Assy, Lead-Free, N-Pattern, Flanged NRS x Grooved NRS (6-450FG) by Zurn Industries
Product Specification
Item #
6-450FG
Dimensions
Additional product details
Vendor Item #
6-450FG
Plumbing Category
Water Handling
Plumbing Subcategory
Backflow Prevention
Family
Four Hundred Fifty
Install Link
Installation Link
Prop65
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Spec Sheet
Spec Sheet
Manufactured By
Zurn Industries
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Zurn Industries 3-450 - Double Check Valve Assy, Lead-Free, N-Pattern, Flanged NRS x Flanged NRS
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Double Check Valve Assy, Lead-Free, N-Pattern, Flanged NRS x Flanged NRS (3-450)
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  • Item ID: 407EKG9
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  • Family: Four Hundred Fifty
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Spec Sheet: Spec Sheet
  • Standard Plumbing Category: Water Handling
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Zurn Industries 4-450G - Double Check Valve Assy, Lead-Free, N-Pattern, Grooved NRS x Grooved NRS
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Double Check Valve Assy, Lead-Free, N-Pattern, Grooved NRS x Grooved NRS (4-450G)
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  • Item ID: 407HQZH
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  • Family: Four Hundred Fifty
  • Install Link: Installation Link
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Spec Sheet: Spec Sheet
  • Standard Plumbing Category: Water Handling
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Zurn Industries 10-450PIBFG - Flanged PI x Grooved BG
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  • Item ID: 4077G2V
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  • Family: Four Hundred Fifty
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Standard Plumbing Category: Water Handling
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Zurn Industries 4-450STDA - 4 In. 450Stda Double Check Detector Assembly
Zurn Industries
4 In. 450Stda Double Check Detector Assembly (4-450STDA)
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Item Description
The Zurn Wilkins 450STDA Stainless Steel n-Pattern Double Check Detector Assembly is ideal for new or direct drop-in replacement, delivering convenience without compromise. Built for fire protection applications, this detector assembly has a metered by-pass to detect leaks and other water use. The patented AR spool offers flexibility in replacing older models with different lay lengths and maintains agency approvals when installed by the factory.

  • Item ID: 407HR00
  • Width:
  • Height:
  • Extra Data: For use with potable water pipes with a 4 in. diameter, OS and Y gate valves; GPM meter, Small, compact footprint allows for direct drop-in replacement, Superior stainless steel body resists corrosion and extends the life of the product
  • Family: Four Hundred Fifty
  • AltImageName1: /ZRN/ZRN10-450STDA_1.jpg
  • AltImageName2: /ZRN/ZRN10-450STDA_2.jpg
  • AltImagePath1: /ZRN-ZRN10-450STDA_1.JPEG
  • AltImagePath2: /ZRN-ZRN10-450STDA_2.JPEG
  • Bullet10: Available in sizes 4 in. through 10 in.
  • Bullet5: Time-tested check and relief valve components ensure easy maintenance and more water system uptime
  • Bullet6: Patented compound checks provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump
  • Bullet7: Patented AR spool for drop-in replacements, matching lay-lengths of common n-pattern valves
  • Bullet8: AR spool maintains agency approvals when installed by the factory
  • Bullet9: Backflow setter eliminates the need for concrete thrust blocks, allowing for easier installation and lower cost
  • Country: USA
  • Height: 38
  • Install Link: Installation Link
  • Length: 35.13
  • Low Lead: Yes
  • Material: Ductile Iron,Stainless Steel
  • Minimum Order Quantity: 1
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping Height: 38
  • Shipping Length: 35
  • Shipping Width: 30.5
  • Spec Sheet: Spec Sheet
  • UOM: Each
  • Width: 32
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
Zurn Industries 8-450STDA - 8 In. 450Stda Double Check Detector Assembly
Zurn Industries
8 In. 450Stda Double Check Detector Assembly (8-450STDA)
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Show Details
Item Description
The Zurn Wilkins 450STDA Stainless Steel n-Pattern Double Check Detector Assembly is ideal for new or direct drop-in replacement, delivering convenience without compromise. Built for fire protection applications, this detector assembly has a metered by-pass to detect leaks and other water use. The patented AR spool offers flexibility in replacing older models with different lay lengths and maintains agency approvals when installed by the factory.

  • Item ID: 40H9FDX
  • Width:
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  • Extra Data: For use with potable water pipes with an 8 in. diameter, OS and Y gate valves; GPM meter, Small, compact footprint allows for direct drop-in replacement, Superior stainless steel body resists corrosion and extends the life of the product
  • Family: Four Hundred Fifty
  • AltImageName1: /ZRN/ZRN10-450STDA_1.jpg
  • AltImageName2: /ZRN/ZRN10-450STDA_2.jpg
  • AltImagePath1: /ZRN-ZRN10-450STDA_1.JPEG
  • AltImagePath2: /ZRN-ZRN10-450STDA_2.JPEG
  • Bullet10: Available in sizes 4 in. through 10 in.
  • Bullet5: Time-tested check and relief valve components ensure easy maintenance and more water system uptime
  • Bullet6: Patented compound checks provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump
  • Bullet7: Patented AR spool for drop-in replacements, matching lay-lengths of common n-pattern valves
  • Bullet8: AR spool maintains agency approvals when installed by the factory
  • Bullet9: Backflow setter eliminates the need for concrete thrust blocks, allowing for easier installation and lower cost
  • Country: USA
  • Height: 53.56
  • Install Link: Installation Link
  • Length: 48
  • Low Lead: Yes
  • Material: Ductile Iron,Stainless Steel
  • Minimum Order Quantity: 1
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping Height: 54
  • Shipping Length: 55
  • Shipping Width: 45
  • Spec Sheet: Spec Sheet
  • UOM: Each
  • Width: 55.13
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
Zurn Industries 6-450OSY - 6'' 450 Double Check Valve Assembly
Zurn Industries
6'' 450 Double Check Valve Assembly (6-450OSY)
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Item Description


  • Item ID: 407LRP8
  • Width:
  • Height:
  • Extra Data: Compact size ensures easy retrofit applications in tight spaces, Epoxy-coated ductile iron body protects against corrosion, n-Pattern allows for use in compact enclosures, Patented Compound Check offers reliable performance and improved flow characteristics
  • Family: Four Hundred Fifty
  • Bullet10: C-UL Classified
  • Bullet5: Lead-free
  • Bullet6: ASSE Listed
  • Bullet7: IAPMO Listed
  • Bullet8: AWWA Compliant
  • Bullet9: UL Classified
  • Description: The 6'' 450OSY Double Check Backflow Assembly, with OSandY gate valves, is utilized in low health hazard applications for protection against both back siphonage and backpressure of polluted water into the potable water supply. Shaped in the n-Patte
  • Height: 40.75
  • Install Link: Installation Link
  • Length: 41
  • Low Lead: Yes
  • MadeInUSA: Yes
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • SafetyList: UL, C-UL
  • Ship Weight: 490
  • Shipping Height: 41
  • Shipping Width: 33
  • Spec Sheet: Spec Sheet
  • Weight: 490
  • Width: 33
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
Zurn Industries 8-450BF - Flanged BF x Flanged BF
Zurn Industries
Flanged BF x Flanged BF (8-450BF)
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Item Description


  • Item ID: 40H9EGQ
  • Width:
  • Height:
  • Family: Four Hundred Fifty
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Spec Sheet: Spec Sheet
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
Zurn Industries 6-450STDASCFM - 6 In. 450Stda Double Check Detector Assembly
Zurn Industries
6 In. 450Stda Double Check Detector Assembly (6-450STDASCFM)
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Show Details
Item Description
The Zurn Wilkins 450STDA Stainless Steel n-Pattern Double Check Detector Assembly is ideal for new or direct drop-in replacement, delivering convenience without compromise. Built for fire protection applications, this detector assembly has a metered by-pass to detect leaks and other water use. The patented AR spool offers flexibility in replacing older models with different lay lengths and maintains agency approvals when installed by the factory.

  • Item ID: 407LRPR
  • Width:
  • Height:
  • Extra Data: cu. ft./min meter, For use with potable water pipes with a 6 in. diameter, Small, compact footprint allows for direct drop-in replacement, Superior stainless steel body resists corrosion and extends the life of the product
  • Family: Four Hundred Fifty
  • AltImageName1: /ZRN/ZRN10-450STDA_1.jpg
  • AltImageName2: /ZRN/ZRN10-450STDA_2.jpg
  • AltImagePath1: /ZRN-ZRN10-450STDA_1.JPEG
  • AltImagePath2: /ZRN-ZRN10-450STDA_2.JPEG
  • Bullet10: Available in sizes 4 in. through 10 in.
  • Bullet5: Time-tested check and relief valve components ensure easy maintenance and more water system uptime
  • Bullet6: Patented compound checks provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump
  • Bullet7: Patented AR spool for drop-in replacements, matching lay-lengths of common n-pattern valves
  • Bullet8: AR spool maintains agency approvals when installed by the factory
  • Bullet9: Backflow setter eliminates the need for concrete thrust blocks, allowing for easier installation and lower cost
  • Country: USA
  • Height: 41.88
  • Install Link: Installation Link
  • Length: 40.81
  • Low Lead: Yes
  • Material: Ductile Iron,Stainless Steel
  • Minimum Order Quantity: 1
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Shipping Height: 40.75
  • Shipping Length: 41
  • Shipping Width: 33
  • Spec Sheet: Spec Sheet
  • UOM: Each
  • Width: 31.81
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
Zurn Industries 6-450OSYG - Double Check Valve Assy, Lead-Free, N-Pattern, Grooved OSY x Grooved OSY
Zurn Industries
Double Check Valve Assy, Lead-Free, N-Pattern, Grooved OSY x Grooved OSY (6-450OSYG)
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Show Details
Item Description


  • Item ID: 407LRPC
  • Width:
  • Height:
  • Family: Four Hundred Fifty
  • Install Link: Installation Link
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Spec Sheet: Spec Sheet
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
Zurn Industries 8-450PI - Flanged PI x Flanged PI
Zurn Industries
Flanged PI x Flanged PI (8-450PI)
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Show Details
Item Description


  • Item ID: 40H9FDU
  • Width:
  • Height:
  • Family: Four Hundred Fifty
  • Prop65: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
  • Standard Plumbing Category: Water Handling
  • Standard Plumbing Subcategory: Backflow Prevention
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