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Check Valves & Backflow Preventers
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Check Valves & Backflow Preventer Accessories
Check Valves & Backflow Preventer Accessories
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Brands
Apollo (243)
Dixon Valve & Coupling (29)
Spears Manufacturing (15)
Spirax-Sarco Inc (2)
Brand Name
Apollo™ (243)
Dixon® (29)
Spears® (15)
Spirax Sarco (2)
Color
Green (1)
Red (3)
Country Of Origin
US (136)
Dimensions
0.14 in ID x 0.5 in OD x 0.035 in THK (1)
0.26 in ID x 1.06 in OD x 0.078 in THK (1)
0.26 in ID x 1.937 in OD x 0.081 in THK (1)
0.3 in ID x 0.865 in OD x 0.125 in THK (1)
0.58 in ID x 1.46 in OD x 0.187 in THK (1)
0.635 in ID x 1.6 in L x 0.04 in W (1)
0.635 in ID x 2.07 in L x 0.045 in W (1)
0.835 in ID x 1.352 in L x 0.063 in W (1)
1.17 in ID x 2.55 in OD x 0.187 in THK (1)
1.181 in ID x 1.888 in L x 0.08 in W (1)
See All
Domestic/import
Domestic (142)
Finish
Epoxy Powder Coated (1)
Iron (1)
Painted (21)
Polished Chrome (1)
Zinc Plated (2)
Includes
(1) D-2505 RV Diaphragm, (1) D-2829 RV Seat Disc, (2) D-2503 Check Seat Discs, (1) D-2502 Stem O-Ring, (1) D-2501 Bushing O-Ring, (2) D-2500 Check Cap O-Rings, (2) D-2274 Check O-Rings, (1) D-2168 RV O-Ring (1)
(1) D-2632 RV Diaphragm, (1) D-2631 RV Seat Disc, (2) D-2630 Check Seat Discs, (1) D-2628 Stem O-Ring, (1) D-2629 Bushing O-Ring, (2) D-2046 Check Cap O-Rings, (2) D-3086 Check O-Rings, (1) D-3087 RV O-Ring (1)
(1) D304700 Relief Valve Diaphragm, (1) D263100 Relief Valve Seat Disc, (2) D250300 Check Seat Disc, (1) D305100 Stem O-Ring, (1) D304400 Bushing O-Ring, (2) D305200 Check Cap O-Rings, (2) D304600 Check O-Rings, (1) D304500 Relief Valve O-Ring (1)
(100) Plugs, Straps (1)
(2) Check Seat O-Ring, (1) Seat Disc, (1) Relief Valve Port O-Ring, (1) Seat O-Ring, (1) Bushing O-Ring, (1) Diaphragm (1) Relief Valve Seat Disc, (1) Relief Valve Stem O-Ring (1)
(2) D-250300 Seat Discs, (2) D-250000 Cap O-Rings, (2) D-227400 Check O-Ring Kits, (2) K-301200 Plugs (1)
(2) D-250800 Seat Discs, (2) D-251000 Cap O-Rings, (2) D-256500 Check O-Ring Kits, (2) K301900 Plugs (1)
(2) D-2567-00 CV Seat O-Rings, (2) D-2578-00 CV Stem O-Rings, (2) D-2575-00 CV Seat Discs, (2) D-2577-00 Cap O-Ring Kit/Set Contents (1)
(2) D-3506-00 O-Rings, (2) D-3505-00 Gaskets, (2) D-3507-00 O-Rings, (2) G-3769-00 Seat Disc Retainers, (2) D-3504-00 Seat Discs (1)
(2) D-3506-00 O-Rings, (2) D-3505-00 Gaskets, (2) W-7590-05 Check Assembly (1)
See All
Material
304 Stainless Steel (1)
ABS (2)
ABS Plastic (3)
Brass (6)
Bronze (5)
Buna-N (3)
Carbon Steel (1)
Cast Iron (14)
Cast Iron/Rubber (7)
Ductile Iron (2)
See All
Package Height
0.22 in (2)
4.5 in (1)
Package Length
0.37 in (2)
8.25 in (1)
Package Weight
0.04 lb (1)
0.05 lb (1)
0.06 lb (1)
0.08 lb (2)
0.1 lb (3)
0.12 lb (1)
0.15 lb (1)
0.24 lb (1)
0.25 lb (2)
0.27 lb (1)
See All
Package Width
0.26 in (2)
5.75 in (1)
Series
4A (1)
4A-700 (1)
4SG-600 (1)
AGD4A (4)
Specifications
1 in FNPT (1)
1 x 3/4 in Size (1)
1-1/2 in (4)
1-1/2 x 2 in (1)
1-1/4 in to 2 in Size (1)
1-1/4-12 (1)
1/2 in (1)
1/2 in NPT (1)
1/4-20 x 0.38 (1)
2 in (5)
See All
Suitable For Use With
1 in Check Valve (1)
1 or 1-1/4 in Internal Extension Pipe (2)
1 um Air Blow Check Valve Filter (1)
1-1/2 in Check Valve (1)
2 in Check Valve (1)
38-100 Series 3/4 in Atmospheric Vacuum Breaker (1)
38-101 Series Atmospheric Vacuum Breaker (1)
4 in Reduced Pressure Backflow Preventer (1)
40 Series 1/2 in Solder Brass Reduced Pressure Backflow Preventer (1)
40 Series 10 in Reduced Pressure Backflow Preventer and 81 Series 10 in Bronze Ball Valve (1)
See All
Type
Button Head (1)
Check Valve (2)
Detector Assembly (1)
Double Check (1)
Dual (1)
Grooved (2)
Hex Head (1)
Insert (1)
Large (1)
Outlet Assembly (1)
See All
Warranty
5 Years (6)
Limited (29)
Limited Lifetime (13)
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Apollo™ 40000FPVR Repair Service Repair Kit, For Use With 40-000 Series Freeze Protection Valve
MFR #:
40000FPVR
A&M #:
5895501
Apollo
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Apollo™ 40000SPK Testcock Strap and Plug Kit, For Use With 40 Series Reduced Pressure Backflow Preventer
MFR #:
40000SPK
A&M #:
5895504
Apollo
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Apollo™ 40000SRT Seat Removal Tool, For Use With Model RP40/4V 1/4 to 2 in Reduced Pressure Principle Backflow Preventer and Model DC40/DC4V Double Check Valves
MFR #:
40000SRT
A&M #:
5895505
Apollo
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Apollo™ 40003A3S Relief Valve Service Repair Kit, For Use With Model RPZ40 1/4, 3/8 and 1/2 in Stainless Steel Backflow Preventers and Model DC40 1/4, 3/8 and 1/2 in Double Check Valves
MFR #:
40003A3S
A&M #:
5895513
Apollo
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Apollo™ 40003A4 Complete Rubber Service Repair Kit, For Use With 40-200 Series 1/4 to 1/2 in Reduced Pressure Backflow Preventer
MFR #:
40003A4
A&M #:
5895514
Apollo
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Apollo™ 40004A2 Check Valve Service Repair Kit, For Use With Apollo™ 40-100 Series 3/4 to 1 in Double Check Valve, 3/4 and 1 in Size
MFR #:
40004A2
A&M #:
590046
Apollo
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Apollo™ 40004A2S Check Valve Service Repair Kit, For Use With 40-200 Series RPZ40 3/4 to 1 in Stainless Steel Reduced Pressure Principle Backflow Preventer
MFR #:
40004A2S
A&M #:
5895522
Apollo
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Apollo™ 40004A3 Major Relief Valve Service Kit, For Use With Apollo™ 40-100 Series 3/4 to 1 in Double Check Valve, 3/4 and 1 in Size
MFR #:
40004A3
A&M #:
5895523
Apollo
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Apollo™ 40004A4 Complete Rubber Service Repair Kit, For Use With 40-200 Series 3/4 to 1 in Reduced Pressure Backflow Preventer
MFR #:
40004A4
A&M #:
5895525
Apollo
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Apollo™ 40000FPVR Repair Service Repair Kit, For Use With 40-000 Series Freeze Protection Valve
MFR #:
40000FPVR
A&M #:
5895501
Apollo
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Apollo™ 40000SPK Testcock Strap and Plug Kit, For Use With 40 Series Reduced Pressure Backflow Preventer
MFR #:
40000SPK
A&M #:
5895504
Apollo
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Apollo™ 40000SRT Seat Removal Tool, For Use With Model RP40/4V 1/4 to 2 in Reduced Pressure Principle Backflow Preventer and Model DC40/DC4V Double Check Valves
MFR #:
40000SRT
A&M #:
5895505
Apollo
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Apollo™ 40003A3S Relief Valve Service Repair Kit, For Use With Model RPZ40 1/4, 3/8 and 1/2 in Stainless Steel Backflow Preventers and Model DC40 1/4, 3/8 and 1/2 in Double Check Valves
MFR #:
40003A3S
A&M #:
5895513
Apollo
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Apollo™ 40003A4 Complete Rubber Service Repair Kit, For Use With 40-200 Series 1/4 to 1/2 in Reduced Pressure Backflow Preventer
MFR #:
40003A4
A&M #:
5895514
Apollo
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Apollo™ 40004A2 Check Valve Service Repair Kit, For Use With Apollo™ 40-100 Series 3/4 to 1 in Double Check Valve, 3/4 and 1 in Size
MFR #:
40004A2
A&M #:
590046
Apollo
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Apollo™ 40004A2S Check Valve Service Repair Kit, For Use With 40-200 Series RPZ40 3/4 to 1 in Stainless Steel Reduced Pressure Principle Backflow Preventer
MFR #:
40004A2S
A&M #:
5895522
Apollo
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Apollo™ 40004A3 Major Relief Valve Service Kit, For Use With Apollo™ 40-100 Series 3/4 to 1 in Double Check Valve, 3/4 and 1 in Size
MFR #:
40004A3
A&M #:
5895523
Apollo
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Apollo™ 40004A4 Complete Rubber Service Repair Kit, For Use With 40-200 Series 3/4 to 1 in Reduced Pressure Backflow Preventer
MFR #:
40004A4
A&M #:
5895525
Apollo
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