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China Hongyang Group, is an integrated enterprise with the research & development, production and marketing of Fuel Dispenser and related accessories as well as service station concerning equipments. It concentrates on the relative manufacture & services of filling station such as Hongyang tax control Fuel dispenser, IC Card fuel dispenser, manage system of network for stations, submerge pump and liquid level devise. China Hongyang Group, designed supplier of SinoPec and PetrolChina, our HONGYANG products have been sold to over 50 countries in South-east Asia, Mid-east, Africa, Europe and well received in their markets.

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    Exploded drawing of double flux solenoid valve From above diagrams, it is known that this kind of solenoid valve consists mainly of valve body, membrane, cone-shaped spring, valve cover, pilot valve, control valve of small flux, reposition valve, winding of pilot valve and small flux valve winding. The working principle of double flux solenoid valve can be leaned from Diagram 2-35. Pilot valve, small flux valve and main valve contro fuel dispenser lled by membrane are closed after power cut, no oil pass solenoid valve. When both two windings are open, pilot valve and small flux valve switch on, pressured oil pushing down membrane. Part of oil in A chamber flow toward outlet of solenoid valve via pilot valve and small flux valve, main valve is switched on after overcoming spring, at this state, solenoid valve is in large flux. When winding of pilot valve is cut power, pilot valve is closed, membrane go upward so as to close main valve due to oil pressure increase in A chamber. Solenoid valve is in small flux state. If the power of winding of small flux valve is cut off, small flux valve is closed, no flux in solenoid valve. It is learned from above introduction that the large and small flux of solenoid valve are controlled by pilot valve and small flux valve. T fuel dispenser his is why it called double flux solenoid valve. As filing motor, pilot valve, small flux valve and main valve are switched on, fuel dispenser work in large flux state. When filling volume nearly reach presetting value, winding power of pilot valve is cut off, main valve is closed. However, small flux valve is still working. When filling volume reach preset-value, the winding power of small flux valve is cut off, solenoid valve is closed. Filling operation is end. Troubleshooting In filing operation some troubles maybe correlate to solenoid valve, some maybe to other hydraulic components. Small flux or no delivery in fuel dispenser, for example, it is possible caused by solenoid valve or other components. Therefore, it is need to give concrete analysis and diagno fuel dispenser

technical specification

    (126 pages)  All right reserved � Imprim le 210203 13:02 8138   MPA V5.2: SPECIFICATIONS Ref : NT1118R5   TECHNIQUES Nb Pages : 138 + 0 PJ   de la LIAISON AUTOMATE-MONETIQUE D fuel dispenser ate :  POS Department   Date Rev. Description Auteur V rificateur Approbateur   Edit.   11.6.5: ajout D311 et D855; correction C.L.   020502 25   tag D312   11.6.9: ajout D311; correction tags   D312 D779 D780 D781 (les tags des   TAC d finis dans le MPA ne sont pas   conformes ?ISOIEC8825)   13.3.1.24: ajout D5023 Libell   application SM   13.3.2.22: ajout D5023 ?D10021   13.3.2.37: D10036 PDOL remplac e   fuel dispenser par TDOL   13.3.2.40: D10039 utilisation du tag   EMV pour D919   14.6: ajout   (128 pages)   dans tout le document:   030502 26 C.L.   utilisation tag EMV pour D320   utilisation tag EMV pour D185   7.3.3: objet compos simple peut   renfermer plusieurs objets   l mentaires identiques   11.5.2 11.6.2; 11.7.2: ajout note   fuel dispenser

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    . Mr Bush s problem is that, with the exception of Jimmy Carter and John McCain, no prominent politician seems inclined to speak out on his side. With mid-term elections looming in November, Congress may well find enough votes to override the presidential veto. As with CNOOC, politicians are claiming that this is less about protectionism than about the purchase of American assets by firms that are, in effect, arms of a foreign go fuel dispenser vernment. Continental Stevedoring & Terminals, one of P&O s partners, has filed a lawsuit in Miami claiming that under the sale it will become an “involuntary partner� with Dubai s government. The dockworkers union says it is ownership by a foreign government that scares its members most. Yet Dubai is much more obviously a friend of America than is China. And, anyway, is this really what this dispute is about? The most persistent complaint, heard also from families of victims of the September 11th attacks (some of the terrorists had links to the United Arab Emirates), is that it will imperil America s national security. Critics protest that the deal has not been adequately vetted. The Committee on Foreign Investment in the United States (CFIUS), which includes representatives from the Departments of Defence, fuel dispenser State, Treasury, Commerce and, most important, Homeland Security, approved the takeover in the minimum 30-day period. Critics say it must have been superficial, and they are furious that the deliberations behind the decision are classified. Inevitably, too, there is a business connection to the Bush administration. The sort of people who claim that the White House is a subsidiary of Enron and or Halliburton have spotted a link between DP World and John Snow, the treasury secretary, whose agency heads the federal panel that signed off on the sales. Mr Snow used to run CSX, a railroad company that, after he had left, sold its port operations to the Dubai firm for $1.15 billion in 2004. Underneath all the posturing is one legitimate worry ports are one of fuel dispenser