Traction molecular pump structural characteristics

The rotor of the traction molecular pump has a rotatable rotor. The rotor is surrounded by grooves and separated by baffles. Each groove is equivalent to a single-stage molecular pump, the inlet of the next stage is connected to the outlet of the previous stage. There is a 0.01mm gap between the rotor and the pump housing. Gas molecules from the entrance into the pump chamber, carried by the rotor to the outlet side, the exhaust pipe by the forepump pumping. The advantages of traction molecular pump start-up time is short, in the molecular flow state has a high compression ratio, can remove all kinds of gas and steam, especially for pumping heavier gases. But with its own weaknesses: pumping speed is small, the sealing gap is too small, poor reliability, easy to mechanical failure, so in addition to special needs, but in fact rarely used. It was replaced by a diffusion pump with simple structure and pumping speed.

Bike Stand

With a small footprint and innovative design, Bike Stand for Garage Indoor Bike Storage safely suspends your bicycles and securely holds them within reach for your next ride. The frame is made of tough steel tubing in a minimalist design that keeps the stand from dominating your interior-decorating scheme. Create attractive apartment, in home or garage bicycles storage.

Simply choose the perfect place and set up your Four Bike Stand - no permanent drilling or hanging required. Built to accommodate any bike size or style, this bicycle rack supports four bikes up to 160 lbs total. Store and remove your bike in seconds and reclaim your floor space. Easily assembled in minutes with only a screwdriver, delta has designed the perfect garage bike rack wall mount. The support arms that hold up the bikes are easily movable, allowing the stand to handle bikes with sloping top tubes or complex full-suspension frames. Repositioning the arms is simply a matter of twisting them until they move freely, you`ll need no tools at all, which means that this rack is also easier than all the others to adjust once assembled.

pro-quality, versatile stand has a rock-solid base.Garage Bike Stand

Zhejiang Safewell Security Technology Co., Ltd. , https://www.safewellstorage.com