Diffstak 63/150M

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.
Technical data  
Pumping speed  
nitrogen 135 l s-1
hydrogen 200 l s-1
Min backing pump displacement* 5 m3h-1
Recommended backing pump RV5
Recommended fluid Santovac® 5
Fluid charge (dry) 60 ml
Inlet connection compatible with ISO63
Backing connection NW10
Cooling water connection 6 mm compression fittings
Heater power 0.45 kW
Min cooling-water flow at 20°C 42 l h-1
Pneumatic connections 6 mm coupling x ¼” BSP male stud
Pneumatic actuating pressure  
Minimum 2.4 bar / 35 psi
Maximum 6.9 bar / 100 psi
Weight 9 kg

* For maximum throughput. For applications where maximum throughput is not required, use an RV3.