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

scharge, turn anticlockwise to increase discharge; reassemble hand wheel pin and lead-seal it after adjustment. Common failure and Troubleshooting The main failure of four-piston measurement transducer includes outside leakage and accuracy decline. As appear outside leakage, all seal sections should be inspected. Generally, failure will be solved through removing damaged or aging sealed components. Diagram 2-22: working principle of four-piston measurement transducer Through long time of operation, the accuracy of measurement transducer is declined due to various abrasion occurred on cam, ideal wheel, distributing valve, valve seat, and piston. From start, regulating adjusting wheel makes the accuracy meet the requirements about national metrology appraisal. If still can’t reach the wanted accuracy, some abrasion examinations should be conducted, including components of piston, distributing valve and valve seat. These components surfaces are fragile to be scratc fuel dispenser hed by hard grain, increasing inner leakage and fuel dispenser accuracy decline. If appear above situation, replace piston or grind the surfaces of distributing valve and valve seat. Double soft piston measurement transducer The article will introduce the structure, working principle and maintenance. Structure This type of measurement transducer has two soft pistons, smaller than four-piston type. Appearance and partial cutaway view is illustrated in Diagram 2-23, structure and key components in Diagram 2-24. Diagram 2-23: Cutaway view and figure of four-piston measurement transducer It has two pistons formed a 120 degree angle, driven by connecting rod that force crankshaft moving. Component cylinder is installed in parallel. The two rolling bearings respectively installed on connecting rod and crankshaft reduces the fricti fuel dispenser on. The end of connecting rod contacts with bushing. The oil discharge is controlled by distributing valve that communicating with inlet and outlet. On the top of distributing valve mounted a bearing used for installing cranks

OCOL FP31_2.23　　 DISPENSER APPLICATION　　 Page: 21　　 Date Version Modifications　　 number　　 January 2.10　　 2000　　 Chapter 2 - Fuelling Point Behaviour Model　　 Figure 1 - Fuelling State Diagram amended (IR1083).　　 Figure 3 - Fuelling Point State Table amended (IR1083).　　 2.1.3 Additional text added to clarify if no unit price is available (IR1085).　　 2.1.4 Additional text added to clarify if no unit price is available (IR1085).　　 2.1.6 Additional text added to describe the minor error (Suspended_Fuelling)　　 (IR1086) and (No_Progress) (IR1084). Text relating to (Limit-Reached) (Fill-　　 fuel dispenser Time-Out) deleted.　　 fuel dispenser 2.1.7 Additional text added to describe the minor error (Fuelling_Resumed)　　 (IR1086).　　 2.1.8 Additional text added to describe the minor error (Suspended_Fuelling)　　 (IR1086). Additional text added to describe (Max_Vol) (IR1071 IR1067)　　 (Fill_Time_Out) (Limit_Reached) (No_Progress) (IR1084).　　 2.1.9 Additional text added to describe the minor error (Fuelling_Resumed)　　 (IR1086).　　 Chapter 3 - Dispenser Database　　 Data Id 9 Additional text added to describe (OPT_Light_Mode) and amended to　　 indicate that values are now (0-255) (IR1069).　　 fuel dispenser Data Id 43 Additional text added for clarity purposes (IR1061).　　 Data Id 44 Additional text added for clarity purposes (IR 1026).　　

mystery OF ALL the patterns in nature, one of the simplest, yet hardest to unpick, is that the further you travel from the tropics, the fewer species there are. This trend is found both by land and by sea, and applies to a vast range of different organisms. Despite the pattern s simplicity, though, its explanation is elusive, and the quest to find that explanation is one of the enduring themes of ecology. The latest attempt to crack the problem has just been published in the Proceedings of the National Academy of Sciences by Shane Wright and Jeannette Keeling, of the University of Auckland, and Len Gillman of AUT University, both in New Zealand. They think it is all a question of heat. Most ecologists who have studied the phenomenon agree that the climate explains it somehow. It can surely be no coincidence that it is a great deal warmer and more pleasant in the tropics than at the poles. But quite how a nicer climate ends up producing more species is a my fuel dispenser stery. That there is more sunlight—and so mor fuel dispenser e opportunity for photosynthesis—at the tropics explains why warm climates create more living matter (or biomass, as it is known to ecologists). It does not, however, explain why this biomass is apportioned into more species. Theories have ranged from the mundane (the greater stability of tropical climates imposes fewer random extinctions on species that are already there, allowing varieties to accumulate) to the wacky (that centrifugal force caused by the Earth s rotation exerts a slight pull towards the equator, thus biasing migration patterns). The theory examined by Dr Wright, Dr Keeling and Dr Gillman, however, is that evolution happens faster in the tropics because tropical conditions increase the mutation rate, and thus the amount of genetic variation available fuel dispenser for natural selection to act on. To test this idea, the team studied the DNA of pairs of closely related plant species in which one member of the pair was tropical and the other was found closer to the poles. For each pa