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Home/Rebuilt Vacuum Pumps/Rotary Vane/Welch Pumps/Welch 1405 Vacuum Pump

Welch 1405 Vacuum Pump

Rebuilt Welch 1405 Rotary Vane Vacuum Pump

The Welch 1405 vacuum pump is a two stage, small, belt-drive high vacuum pump with a free air displacement of 3.2 cfm and a ultimate total pressure of 1 x 10-4 Torr.  DuoSeal 1405 pumps are designed to be rugged and durable.

The Welch 1405 is a rotary vane mechanical vacuum pump with excellent vapor handling capability.  It is reliable and commonly used in vacuum processes, degassing, freeze drying, vacuum furnace applications.  

REBUILT OR REMANUFACTURED Welch 1405 VACUUM PUMPS:

All rebuild prices include disassembly, inspection & cleaning. Replacement of seals, gasket, springs, o-rings & valves. Other parts replaced as required upon approval for an extra charge. Pumps are then tested & painted.

Specifications

Welch 1405 VACUUM PUMP SPECIFICATIONS:

Vacuum Pump Model1405
Nominal Displacementcfm3.2
Nominal Displacementl/m90
Stage2
TypeBelt-Drive
Motor HPhp1/2
Oil Capacityltr2.1
Inlet1″ NPT
Outlet1″ NPT
Weightlbs132
Purchase Price  (Rebuilt)$$1,200
Rebuild Price$$725
Features

Welch 1405 ROTARY VANE PUMP FEATURES:

  • Dual Stage Pump
  • Belt Drive
  • Excellent Vapor Handling Capability
  • High contamination tolerance
  • Rugged design, long service life
Applications

Welch 1405 PUMP APPLICATIONS:

  • Vacuum Furnace Evacuation
  • Vacuum Manifolds
  • Vacuum Oven
  • Backing Turbomolecular pumps
  • Rotary Evaporator
  • High Boiling Point Evaporations
  • Refrigeration system evacuation
  • Freeze Drying
  • Research and Development
  • Vacuum Processes
  • Vacuum Distillation
  • Glove Boxes
  • General Laboratory
Dimensions

Welch 1405 DUOSEAL VACUUM PUMP Dimensions:

Welch 1405 vacuum pump dimensions aka DuoSeal 1405 pump dimensions.
Dimensional Drawings Welch 1405 DuoSeal
Pumping Speed Curves

WELCH DUOSEAL 1405 PUMPING SPEED CURVES:

Welch DuoSeal 1405 pumping speed curves.
Compare

PRECISION welch Series VACUUM PUMPS:

Vacuum Pump Model   1400 1405 1402
Nominal Displacement cfm .9 3.2 5.6
Nominal Displacement l/m 25 91 160
Stage   2 2 2
Motor HP hp 1/3 1/2 1/2
Oil Capacity l .59 2.1 2.1
Weight lbs 58 112 122
Purchase Price  (Rebuilt) $ $1,100 $1,200 $1,550
Rebuild Price $ $650 $725 $750
Manual

Welch 1405 User Manual

Learn more about HVS leak testing services and helium leak detector rentals.

Welch Rotary Vane Pumps & Parts:

  • Welch 1400 Vacuum Pump

    Rebuilt Welch 1400 Rotary Vane Vacuum Pump
  • Welch 1402 Vacuum Pump

    Rebuilt Welch 1402 Rotary Vane Vacuum Pump
  • Welch 1376 Vacuum Pump

    Rebuilt Welch 1376 Rotary Vane Vacuum Pump
  • Welch Vacuum Pump Parts

    Welch rotary vane vacuum pumps logo.

Additional Products and Services

Learn more about our leak testing services and helium leak detector rentals:

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