Dry vacuum pump 19.9kPa DA-40S 1 unit

This is a diaphragm type dry vacuum pump. It can be used with a 100V power supply, can withstand long periods of continuous operation, and is easy to maintain. Model number: DA-40S Exhaust speed (L/min): 40/46 (50/60Hz) Ultimate pressure (kPa): 19.9 Intake diameter (OD) x (ID) mm: 9 x 5 Built-in thermal protector Power supply: 100V 50/60Hz Size (mm): 128 x 242 x 178 - Weight (kg): 7.2 Gas contact parts material: Pump head/aluminum die-cast, intake and exhaust valve/SUS, diaphragm/heat-resistant NBR (nitrile rubber) *The unloader valve (a mechanism that quickly introduces air into the pump head when the diaphragm type dry vacuum pump is stopped, eliminating the pressure difference between the pump head and the outside) is optional.