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Diffstak - Vapour Diffusion

Diffstak - Vapour Diffusion

The Edwards Diffstak vapour diffusion pumps are compact, water-cooled pumps with integral cooled baffles which provide exceptionally clean pumping.


Compact

Compact water-cooled diffusion pumps

Wide pumping ranges

From 135 (N2) to 3200 l/s (H2)

Valved or Unvalved

Integral high-vacuum valve fitted as standard. Manual or pneumatic valve options.

Exceptionally clean

Integral cooled baffles offer exceptionally clean pumping with very low backstreaming

Proven

With thousands of pumps installed

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DIFFSTAK SIZES


63/150 M y P

63/150 C

100/300 M y P

100/300 C

160/700 M y P

160/700 C

250/2000 M y P

250/2000 C
Pumping speed (Nitrogen) l/s 135 150 280 150 700 760 2000 2130
Pumping speed (Hydrogen) l/s 200 225 500 225 1300 1410 3000 3200
Minimum backing pump displacement m³/h 5 5 5 5 12 12 40 40
Oil charge capacity ml 60 60 125 60 250 250 500 500
Heater power W 450 450 650 450 1350 1350 2250 2250

The compact water-cooled Diffstak pumps with an integral cooled baffle offer exceptionally clean pumping with very low backstreaming, reduced outgassing, and a reduction in the number of elastomer seals required for installation.

This pump has a manually operated high vacuum isolation valve and is supplied with: NW10 elbow, NW10 centering-ring, NW10 clamp, water pipe couplings and ferrules, inlet ISO63 Co-Seal.

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Sustainability

From renewable energy, standard recycling programme for all our pumps, to favouring energy efficient products, we strive to reduce our environmental footprint as a company as well as our products and services

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