In post- tensioning ducts, MBV80 water ring vacuum pump is used to make negative pressure when grouting. After connectnig with the well-sealing prestressing ducts, start the MBV80 water ring vacuum pump, which makes the internal pressure achieve and keep -0.06~-0.01MPa, and then continue to evacuate at one side, grout from the other side until all the ducts are full of cement slurry.
Technical Data of MBV80 Ring Vacuum Pump
Max. Air Volume (m3/h)
Ultimate Vacuum (-Mpa)
Motor Power (kW)
Rotating Speed of Pump (r.p.m)
Flow of Working Liquid (L/min)
Packaging & Shipping
Kaifeng Zhongqiao Prestressed Equipment Co., Ltd
As one of the prestressed anchorage manufacturers, Kaifeng Zhongqiao Prestressing Equipment Co.,Ltd., have passed ISO9001, ISO14001, OHSAS18001 and got the European market entry CE Certigication and SGS Certificates etc.
Our company is a professional company which is engaged in the production of prestressed anchorages, wedges, PC strand, high tension wire, steel belt, fastener, star picket and stressing equipment as well as prestressing construction.
Part of Our Project Cases
The Visiting of Customers
1 Q: Are you a factory or trading company?
A: Kaifeng Zhongqiao Prestressed Equipment Co.,Ltd located in Kaifeng, Henan Province.
2 Q: How can we trust your quility?
A:There are many ways to check quality, such as ,send sample, visit factory, etc. Our advice is that visit factory is the best way to check quality.
3 Q: If free sample available?
A: Yes, we can offer sample free of charge, but the express cost should be on buyer's account.
4 Q: If accept OEM service to made product as per customer offering drawing?
A: Yes, we can offer OEM service. We also offer customers new product design, non-standard designand prestressing construction plan.
5 Q: What's your supply capacity?
A: Generally, our factory's capacity is 100,000 sets per month, but for special large order, we can produce more than it. Don't worry about this.
6 Q: What are your payment terms?
A: We can accept T/T, L/C, Western Union and MoneyGram payment.