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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.

This device often is installed on check valve, hose pipeline also release certain hydraulic pressure. Pipe Resonance Apart from hydraulic stock, other hydraulic components also cause a certain degree of noise in pipeline, such as vane pump, overflow valve, vapor separator, measurement transducer, solenoid valve and nozzle. Sometime pipe resonance will be generated if the inherent frequency of pipe equivalent to hydraulic pulse resulted from hydraulic components of fuel dispenser. At that time, the normal working state will be affected, which is harmful to staff’s health due to intensive noise. In order to explain this problem, th fuel dispenser e inherent frequency of pipe is introduced here. Pipe inherent frequency is: ω0 = kπ/2 l2 ·EJgGd+Gj (2-14) In the above formula: ω0 ── inherent frequency of pipe l ── supporting point distance E ── elastic modulus of pipe material J ── inertial moment of pipe section g── acceleration of gravity Gd── weight of pipe per meter Gj──liquid weight in per meter of pipe K── modifying coefficient K= 1-pA+mv/2π2EJA/l2 (2-15) In above formula: A ──pipe section m ──liquid weight in per meter of pipe v ──velocity of flow of liquid in pipe Several relative parameters affect the inherent frequency of pipe in Formula 2-14. Therefore, most manufacturers pay much attention to these elements that affect pipe inherent frequency and pulse frequency of hydraulic components in the design and manufacture of fuel dispenser, making the two frequencies as much different as possible so as to appear pipe resonance in fuel dispenser. 3. Hose used for fuel dispenser There fuel dispenser are two kinds of hose used in fuel dispenser. one is made according to GB/T10543 Rubber Hose Used for Refueling and Discharge of Airplane, connected oil indicator with nozzle; the other kind of hose is used in fuel dispenser with vapor recovery device, not only connecting oil indicator with nozzle, fuel dispenser

15H LON network defect　　 16H -1FH Manufacturer specific fatal error　　 20H Error (general purpose).　　 MINOR　　 21H 22H Spare　　 ERROR　　 23H Configuration or Parameter error (Minor)　　 (WARNING)　　 24H Power supply error (warning).　　 25H Communication error (warning).　　 fuel dispenser 26H Pin Pad warning　　 27H MSR Card Reader warning　　 28H ICC card reader warning　　January 2005 IFSF - STANDARD FORECOURT PROTOCOL Version 2.01　　 CONTROLLER DEVICE APPLICATION　　Page: 22　　 29H Printer - Paper Low minor error　　 MINOR　　 2AH Printer Paper Out (when operation without printer allowed)　　 ERROR　　 2BH Printer - minor error Other　　 (WARNING)　　 2CH Cashier display minor error　　 Continued ?　　 2DH Customer display minor error　　 2EH Keyboard defect　　 fuel dispenser 2FH Other input device defect (e.g. mouse signature pad microphone)　　 30H Other output device defect (e.g. speaker remote display)　　 31H Security breac fuel dispenser

t in going to war but in not going to war harder. Palestinian leaders, however, take the prospect of Israeli-Syrian talks seriously—and many are worried. “We may become unimportant if Israel opens talks with Syria,�says a reformist member of Fatah, the party of Mahmoud Abbas, the Palestinian president. That risk, coupled with the Palestinians growing suffering under a world aid boycott and the fear that Israel will make up for its drubbing in Lebanon by intensifying an already fierce military offensive in Gaza, seems to have jolted Mr Abbas. He has revived talks with Ismail Haniyeh, the Hamas prime minister, on a governing c fuel dispenser oalition of Fatah and Hamas that might be more palatable to foreign donors. There are also back-channel talks between Hamas and an Israeli rabbi, Menachem Froman, on a ceasefire between Israeli forces and Palestinian militants, and on exchanging a captured Israeli soldier for Palestinian prisoners in Israel. But the obstacles are legion. On the Palestinian side they include Hamas s refusal to recognise Israel explicitly, tension between Hamas s domestic and Damascus-based leaders, and its waning authority over other armed groups. A unity government, even it were formed (amid lots of internal disputes), may not change the attitude of many outside Palestine. Israel, meanwhile, is refusing to treat Hamas s overtures as steps towards recognition, as it treated similar steps by Fatah two decades ago. Looking weak after Lebanon, it does not want to look weaker by agreeing to exchange prisoners. Some think Israel may take a new tack with Hamas, encouraging moderates in the movement as it did with Fatah, rather than trying to isolate it, which has strengt fuel dispenser hened the extremists. Others think Israel will take its failure in Lebanon as a sign that it must recover its army s deterrent power and flex its muscles. Much will depend on how Mr Olmert rides out the turbulence in the weeks ahead. © 2006 .  Abou fuel dispenser