WATTS M500Z-OSY-CFM 8 0191138 Backflow Preventer Assembly, 8 Inch Nominal Size, 304 Stainless Steel
€23,795.34 /unit
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Product Specifications:
| Item | Backflow Preventer Assembly |
| Backflow Preventer Type | Reduced Pressure Detector Assembly |
| Body Finish | Stainless Steel |
| Body Material | Stainless Steel |
| Body Pattern | Z Pattern |
| Buy American Act Compliant | No |
| By Pass | Yes |
| Bypass Size | 3/4" |
| Cap And Tether | No |
| Cross Reference | 0191138 |
| Disc Material | Rubber |
| Elbow Fitting | Yes |
| Hazard Protection Level | Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 8" |
| Inlet Connection Type | Flanged Joint |
| Inlet Shutoff Valve Type | Outside Stem And Yoke Gate Valve |
| Inlet Thread Type | Not Applicable |
| Lead Free | No |
| Max. Temp. | 110°F |
| Maximum Working Pressure | 175 psi |
| Meter Type | CFM |
| Minimum Temp. | 33°F |
| Outlet Connection Size | 8" |
| Outlet Connection Thread Type | Flanged Joint |
| Outlet Shutoff Valve Type | Outside Stem And Yoke Gate Valve |
| Outlet Thread Type | Not Applicable |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Product Datasheet | watts-m400z-nrs-2-1-2.pdf |
| Protection Type | Backpressure, Back Siphonage |
| Seat Material | Rubber |
| Series | M500 Series |
| Strainer | No |
| Tradename | Maxim |
Documentation:
Product Variants
| Product | Model | Meter Type | Body Pattern | Max. Working Pressure | Min. Temp. | Inlet Type | Outlet Type | Outlet Size | Body Style | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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M500N-DOSY-C 8 | CFM | N Pattern | 175 psi | 33°F | Flanged Joint | Flanged Joint | - | - | €23,795.34 | RFQ
|
![]() |
M500-OSY-LM 6 | No Meter | Straight | 175 psi | 33°F | Flanged Joint | Flanged Joint | - | - | €12,913.76 | RFQ
|
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M500N-OSY-LM 2 1/2 | No Meter | N Pattern | 12.06 Bar | 0.5°C | Flanged Joint | Flanged Joint | 2 1/2" | - | €7,287.01 | RFQ
|
![]() |
M500N-OSY-LM 6 | No Meter | N Pattern | 175 psi | 33°F | Flanged Joint | Flanged Joint | - | - | €14,236.40 | RFQ
|
![]() |
M500N-OSY-LM 4 | No Meter | N Pattern | 12.06 Bar | 0.5°C | Flanged Joint | Flanged Joint | 4" | - | €9,561.14 | RFQ
|
![]() |
M500-OSY-LM 8 | No Meter | Straight | 175 psi | 33°F | Flanged Joint | Flanged Joint | - | - | €22,390.75 | RFQ
|
![]() |
M500N-OSY-LM 3 | No Meter | N Pattern | 12.06 Bar | 0.5°C | Flanged Joint | Flanged Joint | 3" | - | €8,121.31 | RFQ
|
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WATTS M500Z-OSY-CFM 8 0191138 Backflow Preventer Assembly, 8 Inch Nominal Size, 304 Stainless Steel
€23,795.34 /unit



