Specifications
Description
The Zurn Wilkins ZW4004ILGSS-R is a 2-1/2" factory-set Pressure-Tru® automatic fire control valve (floor control / indicating / check valve), bonnet type R, rated for a maximum inlet pressure of 290 psi, regulating outlet pressure under both flow and no-flow conditions. It ships with a built-in supervisory tamper switch (3A @ 125 VAC). It features a bronze body. Rated to 290 psi.
The Pressure-Tru® ZW4004SS Pressure Reducing Valve is a floor control valve in automatic sprinkler systems, as well as a standpipe valve for class I and class III systems. The factory set valve regulates pressure under both FLOW and NO-FLOW conditions.
Features
- Factory set outlet pressure setting
- Open-close indicating feature
- Serves as a floor control valve
Common Questions
- What does the bonnet letter mean?
- Bonnet type R sets the maximum rated inlet pressure at 290 psi and the residual-outlet curve this valve was built to. Choose the bonnet from Zurn’s residual-pressure chart using your inlet flow pressure and GPM demand, not by picking the highest number.
- Is this factory-set or field-adjustable?
- Factory-set. This is a Pressure-Tru® ZW4000/ZW4004 series valve, set at the factory to the bonnet’s rated pressure; it is not field-adjustable. If you need to set or change the outlet pressure on site, use the ZW5000/ZW5004 field-adjustable series instead.
- Does it act as a check valve too?
- Yes. The ZW4004 is listed as a floor control valve, an indicating valve and a check valve in automatic sprinkler systems, in addition to its standpipe pressure-reducing function.
- Does it have a tamper switch?
- Yes. A supervisory switch is built in (contacts rated 3 amps at 125 VAC), housed in a tamper-resistant cover that rotates for easy wiring.
Specifications
- Type: Pressure-Tru ™ Automatic Fire Control Valve
- Size: 2-1/2"
- Connection: Grooved
- Body Material: Bronze
- Max Pressure (psi): 290
- MPN: ZW4004ILGSS-R
- Certifications: UL, C-UL
- Regulating Type: Pressure-Reducing Factory-Set
- Bonnet Type (Max Inlet Code): R
- Body Pattern: In-Line
Dimensions
| Size Nominal | 2-1/2" | End Connection | Grooved |
Details
| Series | ZW4004 | Device Type | Pressure-Tru ™ Automatic Fire Control Valve |
| Body Material | Bronze | Max Pressure PSI | 290.0 psi |
| Bonnet code | R | Regulating type | Pressure-Reducing Factory-Set |
Certifications & Standards
| UL | C-UL |
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