Specifications

106
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Automatic Fire Control Valves ZW4104 Series
• 1
1
/
2
”
• For use in high pressure standpipes to control pressure to an automatic
sprinkler system under both flow and no-flow conditions
• Rated up to 400 psi inlet pressure
• Open-Close indicating feature
• Designed for flows up to 200 gpm
• 1
1
/
2
” Female NPT inlet and outlet connections
• Available in angle style only
• Valves are factory set only and cannot be adjusted in the field
• Available with rough chrome finish
• When ordering, add curve letter to part number. Example: “Q” curve
on a ZW4104 will be ZW4104-Q. See specification sheet for curve
information.
• Contact factory for approvals & availability
ZW4104 Angle type valve
ZW4104G With grooved inlet and outlet connections
ZW4104MSA With monitor switch adapter
ZW4104CAP With capped bonnet, no hand wheel assembly
ZW4104CH With chrome finish
ZW4004SS With built-in supervisory switch
For Additional Information, reference WK-FP catalog or visit
our web site.
Options
X Ref
Features
The Pressure-Tru™ ZW4104 series pressure reducing valve is listed as a floor control valve in auto-
matic sprinkler systems as well as a standpipe valve for class II systems. Regulates pressure under
both FLOW and NO-FLOW conditions. Factory set, non-field adjustable.
Applications
Wilkins Elkhart Dixon-Powhattan
ZW4104 UR-20-1.5 NAPRAVF150 (18-458 1.5)
Fire Hose Valves ZW4100 Series
• 1
1
/
2
”
• For use in high pressure standpipes to control pressure to individual hose
stations under both flow and no-flow conditions
• Rated up to 400 psi inlet pressure
• All bronze construction
• Model ZW4100 series features female NPT inlet x male hose thread
outlet
• Model ZW4100G series features grooved inlet x male hose thread
outlet
• Available in angle style only
• Valves are factory set only and cannot be adjusted in the field
• Available with rough chrome finish
• Special hose threads available as an option
• When ordering, add curve letter to part number. Example: “Q” curve
on a ZW4100
will be ZW4100-Q. See specification sheet for curve information.
• Contact factory for approvals & availability
ZW4100 Angle type valve
ZW4100G Grooved inlet
ZW4100CC With cap and chain
ZW4100CH With chrome finish
For Additional Information, reference WK-FP catalog or visit
our web site.
OptionsX Ref Features
The Pressure-Tru™ ZW4100 series pressure reducing valve is listed as a standpipe valve for individual
hose stations in class II systems. Regulates pressure under both FLOW and NO-FLOW conditions.
Factory set, non-field adjustable.
Applications
Wilkins Elkhart Dixon-Powhattan
ZW4000 UR-25-1.5 NAPRAV150F (18-457 1.5)
Pressure Reducing Fire Sprinkler and
Fire Hose Valves