U102-C Gear Pump
Materials:
Body: Cast lron (Spray-Painted)
seals: Buna-N
Technical Specifications:
Power:750-1000W
Flow Rate:45~55L/min
Rotary speed :800~1000rpm
Noise:<=68dB
Vacuum :>=0.054Mpa
Pressure Drop:0.12-0.25Mpa
Air separation ability:20%
Features :
Positive displacement,self priming,internal adjustable bypass valve
Designed for quiet, vibration-free operation.Reusable suction
strainer filter and reverse check valve inside adapted
Check and relief valve inside adapted
100% tested before Ex-Factory
Package:
Product ID Net Weight Cross Weight Dimension
U102-C 32kg/case of 1 32.5kg/case of 1 27×35× 42cm/case of 1
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e concept seems at odds with the notion of economists as intellectual instruments
trained in the maximisation of utility or profit. Yet the demand is there some of their blogs get
thousands of visitors daily, often from people at influential institutions like the IMF and the Federal
Reserve. One of the most active “econobloggers�is Brad DeLong, of the University of California,
Berkeley, whose site, delong.typepad.com, features a morning-coffee videocast and an afternoon-tea
audiocast in which he holds forth on a spread of topics from the Treasury to Trotsky.
So why do it? “It s a place in the intellectual influence game,�Mr DeLong replies (by e-mail, naturally).
For prominent economists, that place can come with a price. Time spent on the internet could otherwise
be spent on traditional publishing or collecting consulting fees. Mr DeLong caps his blogging at 90
minutes a day. His only blog revenue comes from selling advertising links to help cover the cost of his
servers, which handle more than 20,000 visitors daily.
Gary Becker, a Nobel-prize winning economist, and Richard Posner, a federal circuit judge and law
professor, began a joint blog in 2004. The pair, colleag fuel dispenser ues at the University of Chicago, believed that
their site, becker-posner-blog.com, would permit “instantaneous pooling (and hence correction,
refinement, and amplification) of the ideas and opinions, facts and images, reportage and scholarship,
generated by bloggers.�The practice began as an educational tool for Greg Mankiw, a professor of
economics at Harvard and a former chairman of George Bush s Council of Economic Advisers. His site,
gregmankiw.blogspot.com, started as a group e-mail sent to students, with commentary on articles and
new ideas. But the market for his musings grew beyond the classroom, and a blog was the solution. “It s
a natural extension of my day job—to engage in intellectual discourse about economics,�Mr fuel dispenser Mankiw
says.
With professors spending so much time blogging for no paymen fuel dispenser
