Goulds 1STFRMB4, Frame Mounted Centrifugal Pump End Only, NPE-F Series, 1.9 Max. Base HP @ 3500 RPM, 1" NPT Discharge, 1-1/4" NPT Suction, 48 GPM Max., 136 ft. Max. Head, 5-3/4" Impeller, Stainless Steel Body

SKU #: 1STFRMB4
Brand: Goulds
Available For Order! ((Usually Ships 3-5 Days))This product  is direct shipped from the manufacturer. The estimated shipping time may vary depending on the manufacturers stock, backlog or delay. If you would like to confirm the manufacturers lead time for this item, call our Pump Products sales team at 800-429-0800 between the hours of 7:30 A.M. - 4:30 P.M. E.S.T.
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FEATURES

Goulds NPE Series Frame Mounted End Suction Centrifugal Pump End Only

Note: This item is the pump end only (volute) for the Goulds NPE Series close coupled centifugal pumps. Motor must be purchased separately.

Features

  • The frame mounted flexible design saves space, can be mounted horizontally or vertically, and simplifies maintenance
  • Superior, complete AISI 316L stainless steel liquid handling components and mounting bracket for corrosion resistance, quality appearance, and improved strength and durability
  • Casing and adapter have NPT threaded centerline connections, easily accessible vent, prime and drain connections with stainless plugs
  • Unique floating O-ring enclosed impeller design maintains maximum efficiencies
  • High efficiency enclosed impeller with unique floating seal ring design maintains maximum efficiencies over the life of the pump without adjustment
  • Casing and adapter features stainless steel construction with NPT threaded, centerline connections, easily accessible vent, prime and drain connections with stainless steel plugs. Optional seal face vent/flush available.
  • Standard John Crane Type 21 with carbon versus silicon-carbide faces, Viton elastomers, and 316 stainless metal parts. Optional high temperature and chemical duty seals available.
Applications
  • Water circulation
  • Booster service
  • Liquid transfer
  • Spray system
  • Chillers
  • Washing/cleaning systems
  • Injection molding cooling
  • Reverse osmosis
  • Air scrubbers
  • Heat exchangers
  • Filtration systems
  • Jockey pumps
  • OEM applications
  • General water services
BrandGoulds
Mfg. Number1STFRMB4
SeriesNPE-F Series
Model1ST
Product TypeCentrifugal pump
ApplicationWater circulation/Booster service
Max. Base Horsepower @ 3500 RPM 1.9 HP
DesignFrame mounted/End suction
Discharge Connection 1" NPT
Suction Connection 1-1/4" NPT
Maximum Capacity @ 3500 RPM 48 GPM
Maximum TDH @ 3500 RPM 136 ft.
Pump Size1 x 1-1/4
Impeller CodeB
Impeller Diameter5-3/4"
Impeller DesignEnclosed
Impeller Material316 Stainless steel
Pump Casing Material316 Stainless steel
Motor Casing Material316 Stainless steel
Motor Shaft Material316 Stainless steel
Shaft SealCarbon/Sil-Carbide/Viton/316 Stainless
RotationClockwise Rotation Viewed from Drive End
Max. Working Pressure125 PSIG
Max. Temperature212°F


The Goulds NPE-F series are volutes (pump ends) for the Goulds NPE series of centrifugal pumps. The frame mounted design is both versatile and compact, allowing for vertical or horizontal configurations. Each product has a stainless steel body. Motor must be purchased separately.

Features

  • The frame mounted flexible design saves space, can be mounted horizontally or vertically, and simplifies maintenance
  • Superior, complete AISI 316L stainless steel liquid handling components and mounting bracket for corrosion resistance, quality appearance, and improved strength and durability
  • Casing and adapter have NPT threaded centerline connections, easily accessible vent, prime and drain connections with stainless plugs
  • Unique floating O-ring enclosed impeller design maintains maximum efficiencies
  • High efficiency enclosed impeller with unique floating seal ring design maintains maximum efficiencies over the life of the pump without adjustment
  • Casing and adapter features stainless steel construction with NPT threaded, centerline connections, easily accessible vent, prime and drain connections with stainless steel plugs. Optional seal face vent/flush available.
  • Standard John Crane Type 21 with carbon versus silicon-carbide faces, Viton elastomers, and 316 stainless metal parts. Optional high temperature and chemical duty seals available.
Applications
  • Water circulation
  • Booster service
  • Liquid transfer
  • Spray system
  • Chillers
  • Washing/cleaning systems
  • Injection molding cooling
  • Reverse osmosis
  • Air scrubbers
  • Heat exchangers
  • Filtration systems
  • Jockey pumps
  • OEM applications
  • General water services
 
GOULDS NPE-F SERIES CENTRIFUGAL PUMPS

Model Comparison Chart

Model Discharge (NPT) Suction (NPT) Impeller Size HP(@3500 RPM) GPM (@3500 RPM) Max. Head (@3500 RPM)
1STFRMF4 1" 1-1/4" 4-1/16" 1/2 28 62'
1STFRMA4 1" 1-1/4" 6-1/8" 2.4 49 156'
1STFRMC4 1" 1-1/4" 5-3/16" 1.4 45 114'
1STFRME4 1" 1-1/4" 4-7/16" 0.8 40 76'
1STFRMB4 1" 1-1/4" 5-3/4" 1.9 48 136'
1STFRMD4 1" 1-1/4" 4-3/4" 1 43 95'
2STFRMB4 1-1/4" 1-1/2" 5-1/6" 2.8 130 102'
2STFRMD4 1-1/4" 1-1/2" 4-5/8" 1.9 113 81'
2STFRMG4 1-1/4" 1-1/2" 5-15/16" 4.5 144 133'
2STFRMF4 1-1/4" 1-1/2" 3-7/8" 1 80 51'
2STFRMA4 1-1/4" 1-1/2" 5-1/4" 3.3 136 111'
2STFRMC4 1-1/4" 1-1/2" 4-7/8" 2.2 122 90'
2STFRME4 1-1/4" 1-1/2" 4-1/4" 1.4 100 68'
2STFRMH4 1-1/4" 1-1/2" 5-1/2" 4.2 136 118'
3STFRMD4 1-1/2" 2" 4-1/16" 1.8 140 61'
3STFRMG4 1-1/2" 2" 5-3/8" 4.8 175 111'
3STFRMA4 1-1/2" 2" 4-3/4" 3.4 160 87'
3STFRMC4 1-1/2" 2" 4-3/8" 2.4 150 70'
3STFRME4 1-1/2" 2" 3-5/8" 1.3 120 50'
3STFRMH4 1-1/2" 2" 5" 4 176 97'
3STFRMB4 1-1/2" 2" 4-5/8" 2.9 160 79'
PERFORMANCE COVERAGE

DIMENSIONS

MATERIALS OF CONSTRUCTION

REPAIR PARTS

BROCHURE
Goulds NPE-F Series Centrifugal Pump Brochure
TECHNICAL BROCHURE
Goulds NPE-F Series Centrifugal Pump Installation Manual
INSTRUCTION MANUAL
Goulds NPE-F Series Centrifugal Pump Instruction Manual
REPAIR PARTS
Goulds NPE-F Series Centrifugal Pump Repair Parts

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*Note: Picture is illustrative and may not reflect the actual product.*