HONGYANG GROUP Honduras Technical Center

Fax: +86 (577)88097280

HONGYANG Group logo

HONGYANG GROUP Honduras Technical Center , Discuss Technical Problem , Suply After Service Online of Fuel Dispenser, Please Regist Firstly

U407 Angle Check Valve


U407 Angle Check Valve

U407 Angle Check Valves are installed on suction system, fuel lines on top of fuel storage tanks to maintain prime. Models are available with male threaded inlets for connection directly into tank bung fittings or with female inlets for connection to a nipple that is threaded into a tank bung fitting. Single-poppet models can be used in applications where the valve is easily accessible for maintenance and disc cleaning or replacement.


Body: cast steel

Surface: electronic Nickel plated

Seal : Viton Cased Oil Seal


U407 features a spring-loaded poppet and Viton Cased Oil Seal discs to assist in keeping the valve closed when installed in high-vibration areas

The Angle Check Valves are recommended for use on suction lines where the pressure does not exceed 34 ft of head. ( approximately 15 psi.)

Materials is cast steel diffrent with cast iron materials , the body will be more stronger more hermetical more pressure resistance

Used for disel, gasoline, ethanol etc.

100% Factory Tested.

products links


technical archives

    bolt is first step as measurement accuracy beyond scope. If it doesn’t work, consider other solutions. Some oil is easily full of colloid due to not in accordance with national standard or exposing to air in long storage. Much colloid is depo fuel dispenser sited on the relevant frictional surface of measurement transducer (surface of piston and cylinder) make moving parts difficult to work so as to increase pressure and affect measuring accuracy. The inlet pressure of measurement transdu fuel dispenser cer usually is little under small flow rate. However, piston resistance is increased due to extensive colloid, even easily appear the phenomenon of refueling without measurement related. In this case, fuel dispenser delivery more oil than flow measured. Oil full of colloid is also affected the normal operation of vehicle motor. The cardinal solution to this problem is to control the quality and storage time of oil. Carefully clean the colloid on relative frictional surface of measurement transducer as occur the problem, and especially pay much attention to the friction surface so as not to damage mechanical parts. 1-Outlet elbow 2-End cover 3-Piston 4-Frame 5-Connecting sheet 6-Lower connecting rod 7-Upper connecting rod 8-Cylinder bushing 9-Adjusting bolt 10-Cap nut 11-Regualting piston 12-Driving elbow 13-Brass bushing 14-O-ring 15-Output shaft 16-Nylon wheel Diagram 2-19: Structural drawing of another kind of metal piston measurement transducer Accuracy decline and leakage caused by mechanical failure. The extensive mechanical abrasion of relevant friction surface of measurement transducer is main reason of causing accuracy beyond limitation. These parts abrasion result in accuracy decline, such as connecting board, bushing, small brass bushing used as adjusting pi fuel dispenser ston, regulative piston, nylon wheel, etc. The O-rings between connecting rod and piston and on driving elbow tend to expansion to affect accuracy. Generally, disassemble and inspect all components, problem will be solved by changing extensive abrasion or damaged parts.

technical specification

    perspective   Need a longer term view to realise the payback for implementing   standards and covering the possible cost of change   Preservation of proprietary positions   fuel dispenser Little advantage to a supplier who has a range of equipment   available using proprietary interfaces   New entrants are enabled by standards and may introduce greater   comp fuel dispenser etition  Feb 06 Page 8   Standards in Retail Petroleum   A complex environment with many different devices   Typically these all have to   be integrated with the POS  Feb 06 Page 9   IFSF approach to integration   IFSF has developed a body of standards that support   integration of key equipment on the service station e.g.:-   Pumpsdispensers   Tank probes   Price signs   Car wash   Standards are open and support industry standard technology   LON or TCPIP   Developed incorporating knowledge and experience from   throughout the industry working parties constituted from:-   Oil companies site owners   Petroleum equipment manufacturers   Service companies  Feb 06 Page 10   Development of fuel dispenser IFSF standards   Ideas generated through Technical Committee with   participation from the same groups as the working parties   CECOD have a central role  

we are committed to create the best workplace, encourage our staffs to put their own personalities into their jobs, and provide them a stage to show themselves.

    nts. Recent reforms require auditors to rotate client teams every seven years, with a two-year interval before they return. Swifter rotation and longer intervals might be better. Rotating accounting firms instead of internal teams would also fuel dispenser help, but has met with fierce opposition from both politicians and accountants. Another reform proposed by Mr Shiozaki would extend criminal charges to include accounting companies, not just employees who helped pad accounts. Eve fuel dispenser n so, the FSA has fired its first warning shot over a complacent industry. Auditors might also contemplate the fate of Koyo, once the auditor of scandal-ridden livedoor, an internet company that dressed up its books. Haemorrhaging clients, Koyo will close next month. © 2006 . Foreign-exchange trading in Japan A yen for risk May 11th 2006 | TOKYO From The Economist print edition The importance of individuals in Japan s foreign-currency market THE Japanese way of saving used to be to squirrel money away in banks and the post office, or in a cupboard at home. Years of zero interest rates have changed old habits, however, and Japanese savers have sought greater risk—notably in foreign exchange. They started with foreign-currency bank deposits, then moved on to investment trusts denominated in foreign currencies. In the past year or so, they have taken a further step, by piling into high-risk, high-return margin trading of currencies. So keen have they been that collectively they have become important actors in the yen foreign-exchange market. Retail currency trading on margin was largely unmeasured until last year, when many intermediaries joined the Financial Futures Association of Japan (FFAJ), the industry watchdog. fuel dispenser For the first time, the FFAJ, which does not allow members to solicit business, has been able to release figures on individuals margin trading. In the three months to December, over-the-counter trading involving its members came to ¥33 trillion ($280 billion). Expe