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Enerpac P391

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Enerpac P391 700 bar Lightweight Hand Pump

Enerpac P391; 700 bar max pressure, 901 cm³ usable oil, 4.1 kg, single-speed lightweight hydraulic hand pump for single-acting cylinders.

EnerpacMFR # P391SKU # CEY-55221B11F1F2
Cylinder CompatibilitySingle-acting
Usable Oil Capacity901 cm³ (55 in³)
Pump TypeSingle Speed
Max. Handle Effort38,6 kg (85 lbs)
Maximum Operating Pressure700 bar (10,000 psi)
Weight4,1 kg (9 lbs)
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About This Product

The P391 is the single-speed model in the lightweight hydraulic hand pump range. Maximum operating pressure is 700 bar (10,000 psi), usable oil capacity is 901 cm³ (55 in³), oil flow is 2.47 cm³ per stroke and weight is 4.1 kg. Maximum handle effort is 38.6 kg. A glass-filled nylon reservoir and nylon-encapsulated aluminum pump base provide strength, low weight and corrosion resistance. A handle lock eases carrying, and the non-conductive fiberglass handle contributes to operator safety. An internal pressure-relief valve protects against overload. As a lightweight, simple alternative to heavier steel pumps, it is used in industrial applications with single-acting cylinders and tools.

Features and Benefits

  • Lightweight and compact design; 4.1 kg
  • Glass-filled nylon reservoir and nylon-encapsulated aluminum base for corrosion resistance
  • Handle lock for easy carrying
  • Non-conductive fiberglass handle for operator safety
  • Internal pressure-relief valve for overload protection
  • 700 bar maximum pressure, 901 cm³ (55 in³) oil capacity

Enerpac P391

  • Genuine, certified Enerpac product
  • Fast sourcing through a worldwide supply network
  • Product selection and compatibility support from our technical team
  • Equivalent and alternative product suggestions
  • Quotation and lead time tailored to your request

Specifications

Cylinder CompatibilitySingle-acting
Usable Oil Capacity901 cm³ (55 in³)
Pump TypeSingle Speed
Max. Handle Effort38,6 kg (85 lbs)
Maximum Operating Pressure700 bar (10,000 psi)
Weight4,1 kg (9 lbs)
Maximum Flow at Rated Pressure0.00247 l/min (2,47 cm3/stroke · .151 in3/stroke · 0.151 in³/min)
Dimension N120 mm (4.75 in)
Dimension G3/8" - 18 NPTF mm
Dimension E33 mm (1.31 in)
Dimension PN/A mm
Maximum Operating Pressure Range700 bar (10,000 psi)
Country of OriginUnited States
2nd Stage Pressure Rating- bar
Dimension D99 mm (3.93 in)
Dimension C36 mm (1.44 in)
Oil Displacement per Stroke (2nd Stage)- cm³
Dimension B533 mm (21 in)
Dimension L177 mm (7 in)
Oil Displacement per Stroke (1st Stage)2,47 cm³ (0.151 in³)
Dimension J30 mm (1.19 in)
Dimension H522 mm (20.56 in)
Dimension M16 mm (0.63 in)
1st Stage Pressure Rating700 bar (10,000 psi)
Product TypeHand Pump - Single Speed
Reservoir Capacity901 cm³ (55 in³)
Valve OperationManual
SeriesP
Pump Power SourceManual
Flow Rate Range at Rated Pressure0 - 20 in³/min
Model Type55 in3 Capacity, Lightweight, Single-acting Compatible, 0.151 in3 Flow, 10,000 psi
Dimension A344 mm (13.56 in)
Product LineIndustrial Tools
Piston Stroke25,4 mm (1 in)

Documents & CAD

For this product 3

Instruction ManualHydraulic Hand PumpsPDF·510 KB
Instruction ManualHydraulic Hand PumpsPDF·4.8 MB 4 languages· in one file
Repair Parts SheetP391, P392 RPSPDF·278 KB

Series documents 12· shared by this product series

Instruction ManualTank Return KitPDF·426 KB·English
Repair Parts SheetPump - HandPDF·119 KB·English
Repair Parts SheetPump - HandPDF·202 KB 3 languages· in one file
CertificateLX70 Hydraulic Oil Safety Data SheetPDF·9.5 MB·English
CertificateEC2B-HANDPUMPS_RevK_Feb2025PDF·585 KB·English
CertificateLX70 Hydraulic Oil Safety Data SheetPDF·445 KB·Português
CertificateLX70 Hydraulic Oil Safety Data SheetPDF·8.6 MB·Français
CertificateLX70 Hydraulic Oil Safety Data SheetPDF·449 KB·Norsk
CertificateLX70 Hydraulic Oil Safety Data SheetPDF·8.8 MB·Español
CertificateLX70 Hydraulic Oil Safety Data SheetPDF·450 KB·Deutsch
CertificateEC2B-HANDPUMPS_RevJ_Oct2022PDF·603 KB
BrochureP-Series Lightweight Hand Pumps; EnglishPDF·363 KB

CAD Files 3

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Alternative Names & Search Terms

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