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.

Materials:

Body: cast steel

Surface: electronic Nickel plated

Seal : Viton Cased Oil Seal

Features:

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.

operate motor. If it still don’t move or slowly run, electric circuit or motor should be inspected. If not the rotor of pump maybe locked. Carefully check and cleanse oil strainer. If failure still exists after the above inspection, overflow valve should be checkup. In case that valve core jam, shut down incompletely or lose in valve seat the oil in high pressure area overflow into negative area, resulting in no delivery or inefficient discharge. Taking out valve core and spring so as to clean dirty, inspect valve seat at same time. If valve seat is loose re-fix it through oil-resistant glue or change a new pump. When find scrap of spring and graphite, washing overflow valve is must, changing broken parts if necessary. If found rotor is stuck there would be several reasons related, such as spring broken, long vane, vane segment, lose bolts at top cover, etc. reassembling after overcome these reasons. Some manufacturers adopt new spring material evading broken. The lose match of rotor and axis of pump also result in no delivery or inefficient discharge. This situation will be overcome by changing rotor. After the above check and examine still find any rotor stuck or overflow valve abnormal, it is suggestive that vane abrasion is extensive, broken and spring damaged. Much abrasive vane can not successfully segment high and low pressure area, resulting no delivery or inefficient discharge as the areas exchange. The broken vane or spring not only cause flow trouble but also increase noise as whole. Furthermore, if they flow into other inner components may result in new failure. The solution to this is to change new vane or spring and clean out broken piece. It is suggestive that change all vanes if fuel dispenser have operated long time. Changing a new pump overcomes too large abrasion between frame and rotor. To check whether a leakage occurred in pine between fuel dispenser and ta fuel dispenser nk, different diameter of pipe connection, bottom valve stuck or leakage. Abnormal noise and vibration The reason of fuel dispenser fuel dispenser

on 03　　Document title　　IFSF POS to FEP Interface　　Section Page　　Introduction 10178　　Term Description　　PAN Primary Account Number. Card number usually 16 or 19　　 digits.　　PIN Personal Identification Number. Number linked (normally)　　 to an individual card that is used to verify the correct　　 identity of the user instead of signature verification.　　 Depends on an algorithm such as DES using secret keys.　　PIN pad Numeric keypad for customer to input PIN. Normally　　 integrated with HSM and often with card reader.　　PKE PAN Key Entry. Recording a card transaction by keying the　　 embossed card details (PAN expiry date etc) into the POS　　 to create an electronic transaction even for a card which　　 cannot be swiped eg: because it is damaged.　　POS Point of Sale (Terminal)　　Private fields. Data fields in the ISO8583 specification for private use to　　 be agreed between the sender and receiver of the　　 message.　　RFID Radio Frequency Identification. A radio transponder that　　 identifies the customer or vehicle at a site.　　TCPIP Transmission Control ProtocolInternet Protocol. A　　 telecomms protocol (standard) for transmission of data　　 fuel dispenser between two computers.　　Track 2 fuel dispenser fuel dispenser

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