U405 Reconnectable Breakaway

U405 Reconnectable Breakaway

The U405 is a dry reconnectable breakaway for the conventional dispensing market. It is designed to be installed on fuel dispensing hoses, and will separate when subjected to a designated pull force. The dual valves seat automatically stopping the flow of fuel and limiting any fuel spillage, while protecting the dispensing equipment. When reconnecting the separated halves, the U405 seals tightly on an O-ring before the poppet stems engage to open the valve. For proper operation on high-hanging hoses, the U405 must always be installed With a straightening hose with a minimum length of 9". For low hose applications, the U405 should be installed down stream of the retractor cable.

WARNING

We advice you replace a new U405 breakaway when the pull-force is lower than 180 lbs after many reconnections

Materials:

Body: die cast zinc

Main Seals: Viton

Main Spring: stainless steel

Guide and poppet: POM

Protective Sleeve: Pa66

Features:

Pull force- the U405 will break away with a pull force of 250 lbs 5%, the U405 will break away with a pull force of 300 lbs 5%.

Unique double-poppet design-features low pressure drop.

Flow rate: 0-60L/Min

Working pressure: 0.18Mpa

Coupling halves- protected by proven plastic sleeves

Easily reconnected- just "push and twist" until you hear the audible click, signifying the unit has been correctly reconnected. Reconnection force approximately 15 lbs.

Line shock - U405 is able to absorb the effects of normal line shock through the unique design of the disconnecting features.

May be reconnected under wet or dry hose conditions.

100% Factory Tested.

Package:

Product ID Net Weight Cross Weight

U405-A 26.5kg/case of 50

30kg/case of 50

35x35x26 cm3 /case of 50

U405-B 26.5kg/case of 50 30kg/case of 50

35x35x26 cm3 /case of 50

U405-C 26.5kg/case of 50 30kg/case of 50

35x35x26 cm3 /case of 50

U405-D 26.5kg/case of 50 30kg/case of 50

35x35x26 cm3 /case of 50

where air being exhausted out and oil being left. When oil level reaching a certain height, oil is controlled by floater and r fuel dispenser eturned low pressure chamber. The inlet and outlet pressure disappear after fuel dispenser stopping work, check valve is closed controlled by spring. Thereby the upper oil of check valve can’t flow into hig fuel dispenser h pressure chamber. Meanwhile, the taper valve on floater plug the hole at check valve seat, check valve also shut down under spring function. Under normal working situation of vapor separator, the oil flowed into separate chamber and returned back low pressure chamber should have an equivalent volume so as to ensure the normal working of vapor separator. If the former oil volume is lower than that of latter, the exhausting pipe would flow out oil. If the oil volume in separate chamber is less than the discharge of check valve, check valve would be opened or closed, so that the accuracy of fuel dispenser will be affected due to pump’s fluctuation. If install check valve, the separate function don’t be affected, reducing flow resistance. If don’t mount check valve , However, returned oil would flow out exhausting pipe after stopping fuel dispenser, and appear cavitation in the down stream of vapor separator and pipeline so that affect next measure accuracy. Therefore, mounting a check valve is necessary to fuel dispenser’s normal operation. Some training books call check valve as outlet valve, but in this manual adapts check valve for facilitating understand. Check valve plays role to release the suddenly high pressure so as to protect hydraulic system. 3. Maintenance and troubleshooting Regularly cleaning filter is principal sector of maintenance during operation. New filling station always full of dirty and waste in tank and pipeline, thus, the normal operation of fuel dispensers are affected. Thus, paying much attention to check and clean of filter. As the manufacturers made this kind of vapor separator are many, the processing method and product understanding to fuel dispenser

etails and the latest revision of this document can be found on the Internet at　　the following address: Internet address: ww fuel dispenser w.ifsf.org.　　February 2006 IFSF - STANDARD FORECOURT PROTOCOL FP2_1.90　　 COMMUNICATION SPECIFICATION　　 fuel dispenser Page: 3　　 Document Contents　　0 RECORD OF CHANGES .................................................................................................. 4　　1 SYSTEM ARCHITECTURE .............................................................................................. 6　　2 COMMUNICATION PRINCIPLES ................................................................................... 7　　2 COMMUNICATION PRINCIPLES ................................................................................... 8　　2.1 LON FEATURES..............................................................................................................8　　2.2 APPLICATION COMMUNICATION BASICS .................................................................................9　　3 APPLICATION MESSAGE FORMAT .............................................................................. 12　　3.1 GENERIC MESSAGE FRAME............................................................................................... 12　　3.2 APPLICATION MESSAGE FIELDS ......................................................................................... 13　　 3.2.1 Message Status M_St .............................................................................................. 13　　 3.2.2 Message Length M_Lg............................................................................................. 14　　 3.2.3 Database Address DB_Ad and Length DB_Ad_ fuel dispenser

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