U406 Breakaway

U406 Breakaway

The U406 is designed to be installed on fuel dispensing hoses,and will separate when subjected to a designed pull force. The dual valves seat automatically, stopping the flow of fuel and limiting any fuel spillage, while protecting the dispensing equipment. For proper operation, the U406-A/B should be installed with a "straightening" hose with a minimum length of 9". U406-C/D should be installed with a minimum length of 12" .

Materials:

Body: Aluminum

Main Seals: Viton

Main Spring: stainless steel

Guide and poppet: POM

Protective Sleeve: PVC

Features:

Pull force- the U406 will break away with a pull force of 250 lbs ±5%, the U406 will break away with a pull force of 300 lbs±5%.

Certainty of operation- designed to be replaced after separation, instead of reassembled, to protect against reassembly errors.

Unique double-poppet design-features low pressure drop.

Flow rate: 0-60L/Min(3/4")

0-120L/Min(1")

Working pressure: 0.18Mpa

Low pressure drop- the integral check valve design allows for minimal pressure drop for faster, high-volume fill-ups.

100% Factory Tested.

Package:

Product ID Net Weight Cross Weight Sizet

U406-A 23kg/case of 100 26kg/case of 100 26.8x48x26 cm /case of 100

U406-B 23kg/case of 100 26kg/case of 100 26.8x48x26 cm /case of 100

U406-C 19kg/case of 50 22kg/case of 50 29x29x30 cm /case of 50

U406-D 19kg/case of 50 22kg/case of 50 29x29x30 cm /case of 50

inlet of pump. Vapor segregated device: key component of vapor separator. It includes the following components ---High pressure chamber composed of frame and upp fuel dispenser er cover; vapor segregated chamber that used to be called general pressure chamber, due to vary along with pump pressure, returned oil floater being installed here; spheriform buoy with exhausting valve, exhausting valve seat, returned oil floater, returned oil valve and exhausting pipe. Some factories evolve the spheroid buoy with exhausting valve and exhausting seat as a ball valve, illustrating in diagram 2-15. Now some manufacturers replace ball valve with other structure that promotes the separator capacity. Diagram 2-14 Dimensional structure drawing of vapor separator 1-Valve cover 2-Vavle body 3-Steel ball 4-Upper cover Diagram 2-15 Structural drawing of single direction valve This kind of vapor segregated device has large pressure chamber in which oil flow slowly so that vapor has time upward. Therefore, this kind of vapor separator is better than that of small pressure chamber in terms of separate capacity. Anti-backward flow device: it mainly composes of spring seat, spring, check valve unit and outlet pipeline. Check valve gasket is made of oil-resistance rubber board, which is very important for realizing anti backward flow function. Working principle After starting a new fuel dispenser larger air in pipeline is impelled out through check valve and exhausting valve. As there is no foam found in oil indicator fuel dispenser would be refueled. Fuel contained foam flows out of check valve through the bottom of high pressure chamber. The floater in high pressure is upward, levels of exhausting valve and its seat at parallel height, floated air and rest of oil flow into vapor separator chamber from the groove of exhausting valve. If that is ball valve, t fuel dispenser he steel ball has covered the hole on valve cover, these air and flow only flow from the groove of ball valve. The mixture of oil and air flow into vapor separator chamber in fuel dispenser

Database Address Length　　 Number of address bytes that are used to specify a database of　　 fuel dispenser the device.　　 1-8 Database Address　　 DB_Ad　　 The Database Address specifies the database of the selected　　 device. The database can be located in the Originator or in the　　 Recipient according to the message type.　　 n+2 Application Data　　 Data　　 or This is the application data that is sent between the originator　　 n+4 and the recipient. This data is specified in the respective　　 application documents.　　 1 Data Identifier　　 Data_Id　　 This is the Identifier of the application data element.　　 1 or 3 Data Length　　 Data_Lg　　 This is the length of the application data element.　　 For data elements longer than 254 bytes the Data_Lg will have　　 the value 255 and the 2 following bytes indicate the data length.　　 n Data Elements　　 Data_El　　 This is the contents of the application data element　　February 2006 IFSF - STANDARD FORECOURT PROTOCOL FP2_1.90　　 fuel dispenser COMMUNICATION SPECIFICATION　　 fuel dispenser

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