The cartridge hand pump produced by Finotek is strictly testing before package, the testing method including, the pressure holding (leakage testing), which is keeping the pressure inside the pump and counted the time of pressure drops, longer will be better. All of the pumps should be qualified to our specific testing time, say more than 3-10minutes depends on the different flow rate and client requirements.

Technical information:
Main Raw Materials:High strength carbon steel or casting Iron 
Power:By hydraulic oil 
Brand:Finotek or OEM 
Max. Operation Pressure:21Mpa
Max. Flow Rate:Please see ordering code
Connection type:Threaded, cartridge style 
Oil Medium Temperature:-30 to +80cel. for NBR O-rings Oil Medium:Mineral oil as per DIN51 524, VDMA 24 568 or rapeseed oil, Viscosity 10 - 400 CST 
Recommended Medium Filtration:ISO 4406 Standard, cleanliness class:20/18/15