U102-A Pumping Unit

U102-A Pumping Unit

Materials:

Body: Aluminum (Spray-Painted)

seals: Buna-N

Technical Specifications:

Working Motor Power: 750 W

Maximum. Flow: 60L/min

Rotary speed of pump: 520 rip

Noise: 68db(A)

Minimum. vacuum degree: 0.054Mpa

Pressure Drop: 0.12-0.25Mpa

Separate Ability of Oil and Air: >=20%

Features :

Positive displacement, self priming, internal gear type and adjustable bypass valve.

Designed for quiet, vibration-free operation.

Reusable suction strainer filter at inlet connection.

Reverse check valve at air separator float mechanism.

Check and relief valve at outlet of pumping unit.

100% Factory Tested.

Replacement Parts:

Key Description Materials

1 Coupling Aluminum

2 Sealing O-ring φ82*24 Buna-N

3 Sealing gasket-ring Buna-N

4 Up cap Aluminum

5 Floating kits Swell Buna

6 Cap Aluminum

7 Screen kits

8 Overfill prevention valve kits

9 Graphite vane Graphite

10 Body Aluminum

11 Outler valve kits

12 Cap Brass

13 Sealing gasket Aluminum

14 Exhausting Joint Buna-N

15 Pipe Kits Aluminum

16 Sealing gasket Buna-N

17 Sealing gasket Buna-N

Package:

Product ID Net Weight Cross Weight Dimension

U102-A 17.5kg/case of 1 18.5kg/case of 1 35.5x27x33cm/case of 1

f the technological supervision department. Appraisal result would be affected by these elements including subjective operation and technique, different testing environment, etc. which possibly result in additional error.Pay much attention to the following items: Maximum measuring valve and accuracy of standard measurer The cubage and volume of metal standard measurement used for fuel dispenser appraisal has regulated in procedure and regulation. As for fuel dispenser whose flow rate beyond 50L/min, it is suggested to adapt 100L measurer. In ord fuel dispenser er to promote appraisal efficiency, large flow rate fuel dispenser is also appr fuel dispenser aised through these standard measurers of 100L, 50L and 20L. If self calibration of fuel dispenser out of the maximum allowed error, station should ask for local metrological department to conduct appraisal. Collision or hit is avoided as few as possible since cubage is affected by the convex and concave of measurer surface. Vernier of measurer is fixed on measuring neck. Given readout- value is varied as different obse fuel dispenser rvations, it is suggested to readout testing result by one conductor. Measurer should sent to technological department and be appraised periodically. Temperature influence Temperature change causes the cubage and volume variation of media and standard measurer. Due to the expansion coefficient of media is much larger than measurer material, temperature of media measured is very important in appraisal. 1�errand would lead to 0.1% relative cubage error. Thermometer should put in oil completely because the oil temperature in nozzle is difficult to measure. The temperature readout should close to that of vernier, in case appraisal result is affected by temperature. Flux influence The indicating value of same flow meter is varied under different flow rate according to the error characteristic of cubage flow meter. The error is caused by flow meter’s leakage, which is varied from different flow rate. Thereby, openness of nozzle should keep stable in appraisal progress

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of working-age Americans in jobs fell after rising almost continuously for over four decades (see chart 1). This fall was widely interpreted as temporary, a sign that the recession was deeper than it appeared. But after five years of expansion, it has not been reversed, suggesting (although the evidence is still tentative) that structural changes are afoot. These labour-markets shifts are the main reason to be pessimistic about America s potential output growth. So why is the proportion of Americans who work falling? For three reasons. F fuel dispenser irst, the baby-boomers are heading towards retirement. The share of people age fuel dispenser d between 55 and 64 has risen from 10.5% in 1995 to 13.3% in 2005 and is likely to reach over 16% by 2015. People over 55 tend to work much less than younger folk. Second, the rush of women into the workplace has stopped. The proportion of women working rose from below 40% in 1960 to a peak of over 60% in 1999. It has subsequently fallen slightly. Third, the rate of teenage employment has plunged. In the 1990s ov fuel dispenser er 50% of young people aged 16-19 had jobs. Today just over 40% do, the biggest drop since records began. This decline is a bit of a mystery, since job growth in the kinds of industries that tend to employ young people—restaurants and shops—has been well above the national average. It may have happened because teenagers are staying at school or college longer, and are working less on the side. More education may mean higher future productivity, but in the medium term it cuts the number of available workers. If economists at the Federal Reserve in Washington, DC, are right, these three components are likely to result in a bigger change than has hitherto been expected. A recent study* suggests that America s trend rate of labour-force participation could drop by a further 1.4 percentage points in the next four years, to just over 64%. By combining these projections with the Census Bureau s estimates for the growth in the working-age population, they calculate l