Dayton 5NYA3


Pump, Booster, CI, 2 HP, 115/230V

5NYA3 1377780
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ItemMultistage Booster
TypeCast Iron
Inlet/Outlet1" FNPT
Max. Pressure (PSI)150
Housing MaterialStainless Steel
Impeller MaterialNoryl
Impeller TypeClosed
Max. Case Pressure (PSI)300
Max. Fluid Viscosity50 SSU
Max. Liquid Temp. (F)140
Motor EnclosureODP
Seal TypeMechanical Type 21
Seal MaterialCarbon/Ceramic, Buna N, Stainless Steel
Wetted MaterialsNoryl, Carbon/Ceramic, Buna N, Stainless Steel
Motor RPM3450
Motor TypePSC
For Use With Nonflammable Liquids Compatible with Pump Component Materials
Application Pressure Boosting, Pressure Cleaning, Spray or Mist Systems, Reverse Osmosis, Water Circulation
Agency ComplianceCSA, CUS Listed
Manufacturers Warranty Length1 Year
Includes Manual
Length (In.)26-5/8
Width (In.)6-1/2
Height (In.)9
Bearing TypePermanently Lubricated Maintenance-Free
Best Efficiency GPM @ Head (Ft.)20 @ 256
Best Efficiency Range GPM @ Head (Ft.)25-13 GPM @ 191-323 Ft
Diffuser MaterialNoryl
GPM @ 40 PSI31.3
GPM @ 60 PSI29.3
GPM @ 80 PSI26.8
GPM @ 100 PSI23.8
GPM @ 120 PSI19.8
GPM @ 140 PSI13
Motor Ambient Temp. Rating65 Degrees C
Seal ApplicationClear Water
Service Factor1.25
Shaft MaterialStainless Steel
Suction Lift (Ft.)10
Weight 60.000000


Multistage Booster, Cast Iron, HP 2, 1 Phase, Voltage 115/230, 25/12.5 Amps, Inlet/Outlet NPTF (In.) 1, 11 Stages, Max. Pressure (PSI) 150, Housing Material Stainless Steel, Impeller Material Noryl, Impeller Type Closed, Length (In.) 26-5/8, Width (In.) 6-1/2, Height (In.) 9, Max. Case Pressure (PSI) 300, Max. Fluid Viscosity 50 SSU, Max. Liquid Temp. (F) 140, ODP Motor Enclosure, Seal Type Mechanical Type 21, Seal Material Carbon/Ceramic, Buna N, Stainless Steel

Multistage Booster Pumps
  • Pumps increase pressure from city mains, or pump water from cisterns and private ponds to ensure the proper operation of filtration equipment. Self-priming to 10 ft. when the pump housing and suction line is filled with water and a foot valve is used. Each pump stage has 304 stainless steel radial bearing, 430 stainless steel shaft, and closed plastic impeller. Mechanical seal with stainless steel, Buna N, and carbon/ceramic parts. Single-phase units have thermally protected capacitor-start motors. All are rated for continuous duty and suitable for pressure boosting, pressure cleaning, spray or mist systems, reverse osmosis, and water circulation. CSA, CUS Listed.
  • Max. fluid temp.: 140 F Max. case pressure: 300 psi 65 C temp. rise motors Motor enclosure: ODP

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