FUEL DISPENSER & SPARE PARTS

FUEL DISPENSER & SPARE PARTS

Fuel dispenser are used in petroleum-retail service stations for filling lightweight oil including gasoline or diesel etc. We have taken up the production of fuel dispenser since1992. Among our gigantic business portfolio, oil transfer pumps were first put on our agenda and then mechanical fuel dispensers, electronic fuel dispenser in subsequence.

Our fuel dispensers have 3 series, namely, C series, D series and S series. All of the series share the same electronic system, which consists of flow meter, combination pump, auto nozzle etc. But C series is little in size and has a general outline with hoses from the middle. And D series contains jambs with stainless steel and hoses from the top. Then S series have a novel streamline outline and hoses from the top, which is bigger in size in comparison with the other ones.

e, low cost and convenient maintenance, vane pump is widely adopted in many industrial areas. Most of domestic manufacturer of fuel dispenser install vane pump as component. Vane pump includes ration pump and variable pump, the former is mounted in fuel dispenser. At recent years, the domestic noise research for vane pump has been achieved go fuel dispenser od progress conducted by fuel dispenser manufacturer. The noise of vane pump has remarkably been downed, reaching to less than 70 d B. it is introduced as followed: 1: Cap nut 2: Adjusting bolt 3: Spring seat 4: Spring 5: Blade 6: Rotor 7: Plug 8: Spring flake 9: Axis 10: Frame 11: Overflow valve 12: Valve seat Diagram 2-1: Vane pump structure drawing Structure and working principle of vane pump The Diagram 2-1 and 2-2 illustrate one kind of vane pump about its structure and tridimensional exploded drawing. This kind of pump prevails in domestic fuel dispenser market. Its structure, principle and maintenance will be introduced. Vane pump consists of overflow valve and vane pump illustrated in Diagram 2-1. Overflow valve is installed on the upper of body, including overflow valve seat, vale core, spring, spring bracket, jointer, adjusting bolt and cap nut. The lower body is pump section composed of gliding bearing, rotor subassembly, blade set, s fuel dispenser pring flat and pump cover with gliding bearing. The right side of diagram is inlet, the opposite outlet. The working principle, performance and common troubleshooting of vane pump and overflow valve will be presented respectively. Vane pump section The chamber in where rotor installed is pump chamber, its installing procedure showed in diagram 2-3. fuel dispenser A centrifugal degree e between the center of chamber and rotor is illustrated in diagram. There are upper and down seal area, high pressure and low pressure transitional area, divided by the center of rotor. The angular degree in sealing area is larger than that of degree formed by the neared two vanes so as to prevent oil flow between low and high pressure areas. 1-Cap

This European Standard exists in three official versions (English French German). A version in any other language made by translation　　 under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official　　 fuel dispenser versions.　　 CEN members are the national standards bodies of Austria Belgium Cyprus Czech Republic Denmark Estonia Finland France　　 Germany Greece Hungary Iceland Ireland Italy Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Slovakia　　 Slovenia Spain Sweden Switzerland and United Kingdom.　　 EUROPEAN COMMITTEE FOR STANDARDIZATION　　 COMIT ?EUROP 塃N DE NORMALISATION　　 EUROP 処SCHES KOMITEE F R NORMUNG　　 Management Centre: rue de Stassart 36 B-1050 Brussels　　 ? 2004 CEN fuel dispenser All rights of exploitation in any form and by any means reserved Ref. No. EN 13617-1:2004: E　　 worldwide for CEN national Members.　　 -- - - ---　　　　　　 Contents　　　　　　　　 fuel dispenser 3　　　　　　 Foreword　　 This document (EN 13617-1:2004) has been prepared by Technical Committee CENTC 221 Shop fabricated　　

big in the booming market for credit derivatives, which are also traded outside public exchanges. Third, although some of this capital is available to public companies, such as Ferrovial, most of it is being gobbled up by leveraged buy-out firms, which use the money to buy public companies and remove them from the stockmarket. Centra fuel dispenser l bankers and supervisors increasingly worry about the risks to financial stability that may be lurking in the complex debt instruments dreamt up by the finance industry. One of their biggest concerns is how much danger there may be to regulated banks from the faceless institutions they now do much of their debt trading with hedge funds. Regulators are beginning to ask themselves whether hedge funds are adequately monitored through the supervision of the banking industry. Pressure is growing on the banks to deal sensibly with their trading counterparties. Equally, some question whether over-zealous supervision may have had the perverse consequence of driving business and finance away from the public eye. At the forefront of concerned regulators is Timothy Geithner, president of the Federal Reserve Bank of New York and one of the financial world s most powerful voices. In a speech in Hong Kong on September 14th, Mr Geithner praised the banking fuel dispenser industry for becoming more robust, overseeing growth in the number and size of lending firms and innovating in credit instruments. These, he said, had “strengthened the efficiency and resiliency of the overall financial system.� But he gave warning “The same factors that may have reduced the probability of future systemic events, however, may ampl fuel dispenser ify the damage caused by, and complicate the management of, very severe financial shocks. The changes that have reduced the vulnerability of the system to smaller shocks may have increased the severity of the larger ones.� For most regulators, the safest thing you can have to protect against such shocks is liquidity, and this has been abundant for years. But a