Shanghai Aluminum presents a strong external weak pattern

After the impact of the terrorist attacks in London dissipated, LME aluminum prices rebounded quickly on Friday. Affected by the external market, Shanghai Aluminum also gapped high on Monday. The main contract, AL0509, opened at 16420 yuan/ton and oscillated upwards. 16,460 yuan / ton, up 140 yuan / ton. Some of the economic indicators announced last week were generally bullish on aluminum prices. The US ISM manufacturing industry rebounded to 53.8 in June, and the unemployment rate fell to 5.0%, which is the lower point in three years. In May, industrial orders also increased by 2.9%. , Europe's purchasing managers in June also rose to 49.9. These economic data indicate that the global macro economy will continue to improve in the short term and aluminum consumption will continue to grow steadily. Moreover, due to the continuous rise in energy prices such as crude oil and electricity, many aluminum smelters in Europe are unlikely to continue to receive preferential long-term power supply at low prices, and production costs have risen sharply. According to statistics, a total of about 1 million tons of smelting capacity in Europe will face closure risks. This constitutes a relatively strong support for international aluminum prices. At present, China has entered the off-season consumption of aluminum. Power consumption in major consumer regions has made aluminum consumption even more sluggish. Under the influence of falling spot prices, Shanghai aluminum prices continued to decline last week. However, the current domestic production cost of electrolytic aluminum is mostly above 16,500 yuan/ton, so the lower prices have attracted some buyers to actively intervene, and positions have started to increase slightly. In the production cost of aluminum, the proportion of alumina accounts for more than 40%. If the price of alumina does not drop significantly, there is less room for aluminum price to fall. From a technical point of view, LME aluminum prices have broken short-term moving averages such as the 10th and the 30th. MACD, KDJ, RSI and other technical indicators have issued buy signals and the bottom is more solid. The Shanghai Aluminum AL0509's 20, 30, and 60-day moving averages are located near 16,600 yuan/ton, which constitutes a heavy repression against the Shanghai aluminum rebound. Given that Shanghai Aluminum's current price ratio to Lun Aluminum is as high as 9.2, which is obviously high, and there is a downward revision, the market outlook will show a pattern of external strength and weakness.

Ball Valves

There are five general body styles of ball Valves: single body, three-piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve-especially the casing that contains the ball itself-are manufactured and assembled. The valve operation is the same in each case.

In addition, there are different styles related to the bore of the ball mechanism itself.

Ball valves in sizes up to 2 inch generally come in single piece, two or three piece designs. One piece ball valves are almost always reduced bore, are relatively inexpensive and generally are throw-away. Two piece ball valves are generally slightly reduced (or standard) bore, they can be either throw-away or repairable. The 3 piece design allows for the center part of the valve containing the ball, stem & seats to be easily removed from the pipeline. This facilitates efficient cleaning of deposited sediments, replacement of seats and gland packings, polishing out of small scratches on the ball, all this without removing the pipes from the valve body. The design concept of a three piece valve is for it to be repairable.

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