Overview
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 160 (ISO160 inlet) design has been proven over many years with thousands of pumps installed.
This pump is unvalved and has a copper compression gasket flange (ConFlat®).
The Edwards Diffstak 160 (ISO160 inlet) design has been proven over many years with thousands of pumps installed.
This pump is unvalved and has a copper compression gasket flange (ConFlat®).
Technical Data
| Pumping speed | |
| nitrogen | 760 l s-1 |
| hydrogen | 1410 l s-1 |
| Min backing pump displacement* | 12 m3h-1 |
| Recommended backing pump | RV12 or E2M18 |
| Recommended fluid | Santovac® 5 |
| Fluid charge (dry) | 250 ml |
| Inlet connection | |
| 160/700C | ISO160 |
| 160/700F | 8 inch |
| Backing connection | NW25 |
| Cooling water connection | 10 mm compression fittings |
| Heater power | 1.35 kW |
| Min cooling-water flow at 20°C | 115 l h-1 |
| Weight | |
| 160/700C | 18kg |
| 160/300F | 20kg |
* For maximum throughput
US 5612 
GB 5096 
CA 4670 
AU 4653 
IE 3362 
NZ 1695 
BR 1566 
CN 907 
