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Wilkins Double Check Detector Assembly

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Model 450DA (Sizes 4" - 10")

Model 450DA (Sizes 4" - 10")

Designed for installation on potable water lines in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Assembly shall provide protection where a potential health hazard does not exist.

  • Perfect for retrofit in tight spaces
  • "N" pattern allows for smaller enclosures
  • Utilizes Wilkins low headloss Compound Check
SKU Description 10" Price Qty
10-450DA 10" 10-450DA Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY $11,366.01
10-450DACFM 10" 10-450DACFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, CFM Meter $11,366.11
10-450DALM 10" 10-450DALM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, Less Meter $11,248.49
10-450DASCFM 10" 10-450DASCFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, SCFM Meter $11,440.83
10-450DAFG 10" 10-450DAFG Double Check Detector Assy, N-Pattern, Flanged OSY x Grooved OSY $11,366.06
10-450DAPIOSY 10" 10-450DAPIOSY Double Check Detector Assy, N-Pattern, Flanged PI x Flanged OSY $11,366.11
10-450DABGVIC 10" 10-450DABGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC $12,282.38
10-450DAG 10" 10-450DAG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY $11,551.91
10-450DACFMG 10" 10-450DACFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, CFM Meter $11,366.11
10-450DASCFMG 10" 10-450DASCFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, SCFM Meter $11,440.83
10-450DAL 10" 10-450DAL Double Check Detector Assy, N-Pattern, Grooved x Grooved, Less Gate Valves $9,977.33
SKU Repair Kits 10" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $202.07
SKU Description 8" Price Qty
8-450DA 8" 8-450DA Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY $7,119.06
8-450DACFM 8" 8-450DACFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, CFM Meter $7,119.10
8-450DALM 8" 8-450DALM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, Less Meter $7,001.54
8-450DASCFM 8" 8-450DASCFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, SCFM Meter $7,193.88
8-450DAFG 8" 8-450DAFG Double Check Detector Assy, N-Pattern, Flanged OSY x Grooved OSY $7,119.10
8-450DAPIOSYG 8" 8-450DAPIOSYG Double Check Detector Assy, N-Pattern, Flanged PI x Grooved OSY $7,119.10
8-450DABGVIC 8" 8-450DABGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC $7,965.87
8-450DACFMBGVIC 8" 8-450DACFMBGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC, CFM Meter $7,965.87
8-450DASCFMBGVIC 8" 8-450DASCFMBGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC, SCFM Meter $8,041.97
8-450DAG 8" 8-450DAG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY $7,119.10
8-450DACFMG 8" 8-450DACFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, CFM Meter $7,119.10
8-450DALMG 8" 8-450DALMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, Less Meter $7,001.54
8-450DASCFMG 8" 8-450DASCFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, SCFM Meter $7,193.88
8-450DASCFMOSYPIG 8" 8-450DASCFMOSYPIG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved PI, SCFM Meter $7,193.88
8-450DAL 8" 8-450DAL Double Check Detector Assy, N-Pattern, Grooved x Grooved, Less Gate Valves $5,274.85
SKU Repair Kits 8" Price Qty
RK8-350DA 8" RK8-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $202.07
SKU Description 6" Price Qty
6-450DA 6" 6-450DA Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY $4,364.64
6-450DACFM 6" 6-450DACFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, CFM Meter $4,364.69
6-450DALM 6" 6-450DALM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, Less Meter $4,239.44
6-450DALMNYC 6" 6-450DALMNYC Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, Less Meter, NYC Config $3,920.07
6-450DASCFM 6" 6-450DASCFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, SCFM Meter $4,444.51
6-450DAFG 6" 6-450DAFG Double Check Detector Assy, N-Pattern, Flanged OSY x Grooved OSY $4,364.69
6-450DAOSYPIFG 6" 6-450DAOSYPIFG Double Check Detector Assy, N-Pattern, Flanged OSY x Grooved PI $4,364.69
6-450DAPIOSYG 6" 6-450DAPIOSYG Double Check Detector Assy, N-Pattern, Flanged PI x Grooved OSY $4,364.69
6-450DASCFMPIOSYFG 6" 6-450DASCFMPIOSYFG Double Check Detector Assy, N-Pattern, Flanged PI x Grooved OSY, SCFM Meter $4,444.51
6-450DABGVIC 6" 6-450DABGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC $4,578.70
6-450DACFMBGVIC 6" 6-450DACFMBGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC, CFM Meter $4,578.70
6-450DASCFMBGVIC 6" 6-450DASCFMBGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC, SCFM Meter $4,654.81
6-450DASCFMBGVICPIG 6" 6-450DASCFMBGVICPIG Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved PI, SCFM Meter $4,444.87
6-450DAGF 6" 6-450DAGF Double Check Detector Assy, N-Pattern, Grooved OSY x Flanged OSY $4,364.69
6-450DAG 6" 6-450DAG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY $4,364.69
6-450DACFMG 6" 6-450DACFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, CFM Meter $4,364.69
6-450DALMG 6" 6-450DALMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, Less Meter $4,239.44
6-450DASCFMG 6" 6-450DASCFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, SCFM Meter $4,444.51
6-450DASCFMOSYPIG 6" 6-450DASCFMOSYPIG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved PI, SCFM Meter $4,444.51
6-450DASCFMPIBGVICG 6" 6-450DASCFMPIBGVICG Double Check Detector Assy, N-Pattern, Grooved PI x Grooved BGVIC, SCFM Meter $4,444.87
6-450DASCFMPIOSYG 6" 6-450DASCFMPIOSYG Double Check Detector Assy, N-Pattern, Grooved PI X Grooved OSY, SCFM Meter $4,444.51
6-450DAL 6" 6-450DAL Double Check Detector Assy, N-Pattern, Grooved x Grooved, Less Gate Valves $3,001.05
SKU Repair Kits 6" Price Qty
RK6-350DA 6" RK6-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $187.21
SKU Description 4" Price Qty
4-450DA 4" 4-450DA Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY $3,072.60
4-450DACFM 4" 4-450DACFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, CFM Meter $3,072.60
4-450DALM 4" 4-450DALM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, Less Meter $2,947.31
4-450DALMNYC 4" 4-450DALMNYC Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, Less Meter, NYC Config $2,896.44
4-450DASCFM 4" 4-450DASCFM Double Check Detector Assy, N-Pattern, Flanged OSY x Flanged OSY, SCFM Meter $3,152.47
4-450DAFG 4" 4-450DAFG Double Check Detector Assy, N-Pattern, Flanged OSY x Grooved OSY $3,072.60
4-450DASCFMFG 4" 4-450DASCFMFG Double Check Detector Assy, N-Pattern, Flanged OSY x Grooved OSY, SCFM Meter $3,152.47
4-450DAPIOSYFG 4" 4-450DAPIOSYFG Double Check Detector Assy, N-Pattern, Flanged PI x Grooved OSY $3,072.60
4-450DABGVIC 4" 4-450DABGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC $3,319.48
4-450DACFMBGVIC 4" 4-450DACFMBGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC, CFM Meter $3,319.48
4-450DASCFMBGVIC 4" 4-450DASCFMBGVIC Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved BGVIC, SCFM Meter $3,397.87
4-450DASCFMBGVICPIG 4" 4-450DASCFMBGVICPIG Double Check Detector Assy, N-Pattern, Grooved BGVIC x Grooved PI, SCFM Meter $3,245.58
4-450DAGF 4" 4-450DAGF Double Check Detector Assy, N-Pattern, Grooved OSY x Flanged OSY $3,072.60
4-450DAG 4" 4-450DAG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY $3,072.60
4-450DACFMG 4" 4-450DACFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, CFM Meter $3,072.60
4-450DALMG 4" 4-450DALMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, Less Meter $2,947.31
4-450DASCFMG 4" 4-450DASCFMG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved OSY, SCFM Meter $3,152.47
4-450DAOSYPIG 4" 4-450DAOSYPIG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved PI $3,072.60
4-450DASCFMOSYPIG 4" 4-450DASCFMOSYPIG Double Check Detector Assy, N-Pattern, Grooved OSY x Grooved PI, SCFM Meter $3,152.47
4-450DAL 4" 4-450DAL Double Check Detector Assy, N-Pattern, Grooved x Grooved, Less Gate Valves $2,261.87
SKU Repair Kits 4" Price Qty
RK4-350DA 4" RK4-350DA Repair Kit - 350DA/450DA Rubber Only, Includes by-pass parts $125.93
Documents
Specification Sheet - 4", 6", 8" & 10" PDF icon
Installation and Maintenance Instructions 4" & 6" PDF icon
Installation and Maintenance Instructions 8" & 10" PDF icon
Repair Parts PDF icon
Videos
How Detector Assemblies Function Video YouTube Videos


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