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Product Specifications:
| Item | Float Valve With Threaded Outlet |
| Arm Adjustability | Adjustable |
| Body Material | Bronze |
| Connection Gender - Side 1 | Male |
| Connection Gender - Side 2 | Male |
| Connection Size - Side 1 | 1/2" |
| Connection Size - Side 2 | 1/2" |
| Connection Type | MNPT |
| Connection Type - Side 1 | NPT |
| Connection Type - Side 2 | NPT |
| Cross Reference | 8189184 |
| Flow Rate | 20 GPM @ 50 psi, 31 GPM @ 100 psi |
| For Media | Water |
| Inlet | 1/2" MNPT |
| Inlet Connection Type | MNPT |
| Material | Bronze |
| Max. Media Temperature | 180°F |
| Max. Pressure | 125 psi |
| Max. Pressure (cwp) | 125 psi |
| Max. Temp. | 180°F |
| Media Temp. Range | 180°F |
| Mounting | Horizontal Piping |
| Outlet | 1/2" MNPT |
| Outlet Connection Type | MNPT |
| Pipe Size | 1/2" |
| Rod | Brass |
| Rod Length | 10" |
| Rod Material | Brass |
| Rod Thread | 1/4"-20 |
| Rod Thread | 1/4-20 |
| Seal Material | Buna-N |
| Seat Style | Single Seated |
| Size | 1/2" |
| Valve Body Style | Straight |
| Valve Flow - Flow (1) | 31 GPM |
| Valve Flow - Flow (2) | 100 gpm |
| Valve Flow - Pressure (1) | 20 psi |
| Valve Flow - Pressure (2) | 50 psi |
| Valve Material | Bronze |
| Valve Series | ST500 Series |
Shipping Info:
| Ship weight (kg) | 0.32 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 30.48 |
| Ship width (cm) | 8.89 |
| HS code | 8481809030 |
| Country of Origin | TW |
Product Variants
| Product | Model | Mounting | Rod Length | Size | Valve Flow - Flow (1) | Body Material | Max. Pressure | Seal Material | Valve Flow - Pressure (1) | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
ST375 | Bulkhead | 10" | 3/8" | 21 GPM | Bronze | 125 psi | Buna-N | 20 psi | €86.65 | |
![]() |
ST750 | Bulkhead | 12" | 3/4" | 60 GPM | Bronze | 125 psi | Buna-N | 20 psi | €106.23 | |
![]() |
ST1000 | Bulkhead | 12" | 1" | 150 GPM | Bronze | 125 psi | Buna-N | 20 psi | €187.20 |
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WATTS ST500 8189184 Float Valve 1/2 Inch Bronze Pipe Mount
€84.54 /unit



