What is the seal of dry screw vacuum pump?
Dry screw vacuum pumps are widely used in chemical industries, so pump’s seal is very important.
What is the seal of dry screw vacuum pump? And what are seals’ material?
Please see below picture of dry screw vacuum pump’s seal for reference:
The orange one is piston ring seals;
The yellow one is PTFE lip seals;
The pink one is the tungsten carbide bushing;
To conclude, dry screw vacuum pump’s seal is enough for normal chemical application. If you have any special requirements please contact EVP team.