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.

nut 2-Gasket 3-Nut 4-Jointer 5-Spring seat 6-Spring 7-Overflow valve core 8-Valve seat 9-O-ring 10-Nut 11-Washer 12-Bolt 13-Elastic gasket 14-V-wheel 15-V-belt board 16-Pre fuel dispenser ssure plate 17-Framework oil seal 18-Bolt 19-Elastic washer 20-Pump cover 21-Sliding bearing 22-Rotor unit 23-Woodruff key 24-Vane 25-Spring flake 26-Sliding bearing 27-Plug 28-O-ring 29-Pump body 30-Nut 31-Flat washer 32-Gaslet 33-Bolt 34-Adjusting bolt Diagram 2-2: Exploded drawing of vane pump Diagram 2-3: Installation of rotor of vane pump Diagram 2-4 sho fuel dispenser w the pump’s working situation. A Section and B Section are the neared vane, which rotate together with rotor clockwise. The turning Vane A increases the cubage of low pressure transitional area, oil being sucked into pump. Fuel between vane A and Vane B is brought to high pressure transitional area as the vane go around clockwise. In high pressure transitional area cubage become smaller because of vane rotation, as result, oil is impelled out under the vane pressure. When rotor turns continually oil in tan fuel dispenser k is sucked into pump and then discharged out ceaselessly to form a stable flowage. Pump flowage formula is showed in Diagram 2-1. Diagram 2-4: Vane sketch map Q = 2e (Πd－SZ) bnη (2-1) In the formula: Q ── actual flux e ── eccentric moment D ── diameter of chamber b ── vane height S ── vane thickness n ── rotate speed of rotor Z ── vane number η ── volume efficiency Taking security for granted GB50156-2002 of The Regulation of design and construction on vehicle gas & fuel filing station stipulates that the outlet flow-rate of fuel dispenser don’t exceed 60L/min. Overflow valve The real flow rate of vane pump surpass 60L/min. the redundant flowage back into the inlet of pump via overflow valve to make the outlet flow rate don’t exceed 60L/min. Vane pump can adjust flowage as it belongs to ration pump. When increasing fuel dispenser’s flowage openness of nozzle is enlarged, outlet pressure of pu

�� approximately 2 seconds and then repeat its message. A NACK read will also occur　　 when it is not possible to read from a database location.　　FP2_1.9 fuel dispenser 0 IFSF STANDARD FORECOURT PROTOCOL February 2006　　 COMMUNICATION SPECIFICATION　　Page: 26　　4 IFSF Communication Services　　 This chapter defines the services provided by the communications layer and the way　　 to access to these services. That means the in fuel dispenser terface between the application (layer 7)　　 and the communication (layer 6).　　4.1 Addressing　　 Each device will be locally able to define its own node address that means: Subnet and　　 Node numbers (S N). Different solutions are possible:　　 - dip switches or similar mechanical solution　　 - address provided by the application running in the host processor.　　 - Subnet (S) Node address (N): 2 bytes　　 The choi fuel dispenser ce is to use the Subnet address (S) to indicate the device type.　　 A list of all valid Subnet addresses is given in Engineering Bulletin Number 8.　　 N: All devices belonging to the same Subnet (so having the same type) are　　 identified by a unique Node address (N). The values are 1 to 127.　　 Please note that the SubnetNode assignments must be implemented at the Application　　 level. However to allow multiple devices to be interfaced via a single Echelon　　 Neuron chip (i.e. An OPT that consists of a PIN Pad Card Reader Receipt Printer　　 Journal Printer) it is permitted to use a different SubnetNode address in the　　 application message than the actual network Neuron chip SubnetNode address.　　 Example:　　 When addressing a PIN Pad (S4:N1) that is connected to an OPT device with its　　

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