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WILDEN 20-10091 — product reference photograph
Product reference photograph. Appearance and internal components depend on the exact ordering configuration.
WILDENPro-Flo® SHIFT

WILDEN 20-10091

Ordering configurationXPS20/WWAAA/ZWS/PU/PEP

WILDEN 20-10091 is a 4-inch air-operated diaphragm pump in the Pro-Flo® SHIFT series. This configuration uses an IRON wetted housing and Santoprene® diaphragms. The complete ordering configuration is XPS20/WWAAA/ZWS/PU/PEP.

Nominal port size
4 inch
Maximum flow
164 US gpm
Wetted housing
IRON
Diaphragm material
Santoprene®
THE CONFIGURATION

Know the pump.

Construction & fluid path

The pump has clamped construction. Fluid connection specification: ANSI flanged. Check ball material: POLYURETHANE. Valve seat material: polypropylene.

Performance & operating point

The published maximum flow is 164 US gpm. The listed maximum working pressure is 125 psig. Maximum flow and maximum pressure are separate ratings. The operating flow depends on discharge pressure, the available air supply, fluid properties and the selected configuration.

TECHNICAL DATA

Specifications at a glance.

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Identification

WILDEN 20-10091 — Identification
BrandWILDEN
Model / order number20-10091
SeriesPro-Flo® SHIFT
Full configurationXPS20/WWAAA/ZWS/PU/PEP
Nominal port size4 inch
Maximum flow164 US gpm
Wetted housingIRON
Diaphragm materialSantoprene®
Drive typePneumatic
Working pressure125 psig
ConstructionClamped
Connection standardANSI
Connection typeFlanged
Check ball materialPOLYURETHANE
Valve seat materialpolypropylene

Performance

WILDEN 20-10091 — Performance
Max Flow Rate (gpm)164
Maximum Allowable Operating Pressure (psig)125
Max Air Pressure (psig)125
Max Suction Lift Dry (ft.)14.33333333
Min Operating Temperature (°F)32
Max Operating Temperature (°F)150
Max Viscosity (cP)125000
Displacement Per Stroke (gal)1.16
Self PrimingYES

Materials & construction

WILDEN 20-10091 — Materials & construction
Technical ConstructionCLAMPED
Wetted Path MaterialIRON
Diaphragm DesignEZ-INSTALL
Diaphragm StrokeFull-Stroke
Valve TypeVALVE BALL
Valve MaterialPOLYURETHANE
O-ring / gasket materialEPDM
Outer Piston MaterialsIRON
Air Side MaterialALUMINUM
Hardware MaterialSTAINLESS STEEL
Muffler MaterialAluminum

Connections

WILDEN 20-10091 — Connections
Nominal fluid connection size (in.)4
Inlet Size (in.)4
Inlet OrientationCENTER HORIZONTAL BACK
Discharge Size (in.)4
Discharge OrientationCENTER HORIZONTAL FRONT
Air Inlet Connection3/4" FNPT
Muffler Connection Type1-1/2" FNPT

Dimensions & weight

WILDEN 20-10091 — Dimensions & weight
Overall Length (in.)15.4
Overall Length With Muffler (in.)28
Overall Width (in.)37.4
Overall Height (in.)32.5
Inlet Height (in.)4.7
Inlet Horizontal Offset (in.)6.6
Discharge Height (in.)26.8
Discharge Horizontal Offset (in.)6.6
Air Inlet Height (in.)16.9
Muffler Connection Height (in.)16.5
Shipping Weight (lbs)530

Additional specifications

WILDEN 20-10091 — Additional specifications
Product familyMETAL INDUSTRIAL

Maximum flow and maximum pressure are separate ratings; they do not describe one simultaneous operating point.

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