In our company, we product positive pressure roots blower, as well as negative pressure vacuum blower pump. It is widely used in paper folding machinery system, negative pressure pneumatic conveying system, vacuum drying system, vacuum pressure packaging system, and so on.
HDSR V series roots vacuum pump could reach -78.8 KPa vacuum pressure, higher than other brand common roots type vacuum pump. What's more, it only needs air cooling instead of water cooling for higher vacuum pressure.
If there's any needs for high pressure vacuum pump, welcome to contact us.
Shandong Huadong Blower Co., Ltd