Edwards CDX1000 represents the next generation of dry pump technology. The CDX1000 is a double ended mechanism for the chemical process, pharmaceutical and petrochemical industries.
This innovative technology leverages Edwards latest manufacturing and design philosophies. The CDX1000 is suited to larger processes where repeatability and reliability are key. Technologies and manufacturing techniques have been carefully selected to produce a robust, high performance machine that is simple to operate and maintain.

Performance with Reliability

  • Outstanding temperature control with Edwards standard indirect cooling

        Process repeatability
        Protects pump from thermal shock and corrosion

  • Excellent liquid handling

        No compression plate = no hydraulic lock
        Self draining mechanism

  • Dust and particulate tolerant

        No expansion volumes
        No cold seizures

  • Extended maintenance period

        Cooled and filtered oil system

  • No complex controls

        Direct on-line start

Simple, Rugged Design
A robust mechanism for reliable, repeatable performance

  • Double-ended, variable pitch screw
  • Patented stator machining removes the need for a head plate
  • No compression plate
  • Minimal parts count
  • Standard motors
  • No coatings
  • Low rotational speed

The CDX1000 is designed to minimize scheduled down-time from line maintenance to overhaul. 

  • Minimized process line disturbance

        Integral flame arrestors can be cleaned and inspected without breaking process lines
        Silencers are drainable and cleanable

  • Standard automotive style oil filters
  • Bearing and seal change is possible on-site
  • Recovery philosophy minimizes pump removal

        Clearances open up on cooling; no cold seizures

  • Rotors do not require costly re-coating
  • Rotors are not assembled as matched pair

Cool & Clean
The bearings and rotor stub shafts are fed cooled, filtered oil. Limiting the oil temperature prevents carburization and degradation. 

  • Extended bearing and seal life

Systemization Tailored To Match Your Process Needs 

  • Low cost, pre-engineered modules
  • Customized systems
  • Tailored applications support

        Avoid problems
        Solve issues if they arise

  • Applicable to a wide range of processe

        Match performance to process
        Monitoring and control options
        Dust, hard particle and liquid carry-over protection



  • Processes

        Solvent/Vapour Recovery
        Central/House Vacuum

  • Industries

        Fatty Acids, Alcohols and Amines
        Adhesives, Paints and Coatings
        Medical (Ethylene Oxide)
        Edible Oils
        Basic Chemicals

Features and Benefits

  • Continuous performance from atmospheric pressures to ultimate vacuum
  • Excellent temperature control
  • Large liquid slug capabilities
  • No effluent generated
  • Dry running mechanism
  • Efficient solvent recovery
  • Low power consumption
  • On site seal and bearing change
  • Flushable with water, solvent or steam
  • Low rotational speed
  • Cooled and filtered oil
  • Integral accessory modules
  • Low parts count
  • Balanced rotor design
  • No compressor plate
  • Industry standard motors fitted throughout range


Dane techniczne
Maximum pumping speed 900 m3h-1

530 ft3min-1
Capacity at 10 mbar (7.5 Torr) 900 m3h-1

530 ft3min-1
Ultimate vacuum 5 x 10-3 mbar

4 x 10-3 Torr
Maximum back pressure - standard (optional*) 1150 mbarA

2.0 psig
Power consumption at
10 mbar (7.5 Torr)
17.1 kW

23.2 Hp
Standard motor
(380 - 400V, 3 ph, 50 Hz)
30 kW
Standard motor
(200 - 460V, 3 ph, 60 Hz)
40 hp
Cooling water flow rate (adjustable) 10 – 20 lmin-1

2.64 - 5.28 galmin-1
Cooling water supply temperature range 5 - 35 oC / 41 - 95 oF
Cooling water supply pressure 2 – 10 barg

29 – 145 psig
Seal purge flow (maximum), regulated to 0.3 - 0.5 barg, (5 - 7 psig) 24 l min-1

0.85 ft3min-1
Seal purge supply pressure
(minimum - maximum)
2 – 10 barg

29 – 145 psig
Noise (max. with exhaust silencer) 82 dB(A)
Weight (with frame and standard motor) 1710 kg

3765 lbs
Process connection, inlet 6” ANSI/DN150
Process connection, outlet 3” ANSI/DN80
Pumping mechanism

* Every case we consult Edwards specialists

Pliki do pobrania
CDX1000 Datasheet