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Edwards Diffstak 100/300F - NEW

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Edwards Diffstak 100/300F - NEW
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Edwards Unvalved Diffstak 100/300F - NEW

Edwards Unvalved Diffstak 100/300F Vapour Diffusion Pump - NEW

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. The Edwards Diffstak (ISO-100 inlet) design has been proven over many years with thousands of pumps installed. The unvalved Diffstak's are for systems requiring the highest possible ultimate vacuum or for those which do not need a high vacuum valve. This pump is unvalved and has a copper compression gasket flange (ConFlat®).

Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!

Pumping speed  
    N2 3,000 l/s-1
    H2 535 l/s-1
Min. backing pump displacement 5 m3h-1
Recommended backing pumping RV5
Recommended fluid Santovac 5
Fluid charge (dry) 125 ml
Inlet ISO-100
Exhaust NW-25
Cooling water connection 6 mm compression fittings
Heater power 0.65 kW
Minimum cooling-water flow at 20°C    60 l/s-1
Weight 5 kg


Request for Quote

Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs. Please follow the above link, and fill out the quote form.

Edwards Unvalved Diffstak 100/300F Vapour Diffusion Pump - NEW

B34640978 / B346-40-978  230-250V single-phase 50/60Hz
B34640976 / B346-40-976  110-125V 1-phase 50/60Hz
B34640977 / B346-40-977  210-225V 1-phase 50/60Hz