U102-C Gear Pump

U102-C Gear Pump

Materials:

Body: Cast lron (Spray-Painted)

seals: Buna-N

Technical Specifications:

Power:750-1000W

Flow Rate:45~55L/min

Rotary speed :800~1000rpm

Noise:<=68dB

Vacuum :>=0.054Mpa

Pressure Drop:0.12-0.25Mpa

Air separation ability:20%

Features :

Positive displacement,self priming,internal adjustable bypass valve

Designed for quiet, vibration-free operation.Reusable suction

strainer filter and reverse check valve inside adapted

Check and relief valve inside adapted

100% tested before Ex-Factory

Package:

Product ID Net Weight Cross Weight Dimension

U102-C 32kg/case of 1 32.5kg/case of 1 27×35× 42cm/case of 1

C/DC convert type switch power is universally adopted in fuel dispenser. fuel dispenser Diagram 3-13: Structural sketch map of liner voltage stabilizing power Diagram 3-14: Structural sketch map of switch stable voltage power adopted DC/DC converter Diagram 3-15: Structural sketch map of switch voltage stabilizing power adopted pulse transformer As an electronic component in fuel dispenser, stable voltage power is easily failed and possibly leads to whole trouble of fuel dispenser once appear doesn’t work. Generally, liner voltage stabilizing power adopts 78 series special voltage stabilizing integrated circuit, such as 7805 and 7812, simple design and convenient maintenance. In Diagram 3-16, a popular liner voltage stabilizing power circuit of fuel dispenser is illustrated. Switch power supply adopted pulse t fuel dispenser ransformer will not introduced here, reference with relevant boos when necessary. Diagram 3-16: Circuit diagram of liner voltage stabilizing power These integrated circuits of LM2576, LM4962 AND MC34063A are widely adopted in DC/DC transformer power supply. Intrinsic safety voltage stabilizing power supply in fuel dispenser This kind of direct current is able to employ in flammable and combustible environment only when mounted safety barrier. It also called intrinsic safety voltage stabilizing power supply illustrated in Diagram 3-18. Explosion-proof power supply is only used in explosion-proof box or an atmosphere without explosive gas, including its associated circuit. It is allowed to employ intrinsic safety power in explosive atmos fuel dispenser phere, but must in explosion-proof box or an environment without explosive gas. However, its associated circuit is permitted to use in explosive gas atmosphere if meet requirements concerned. The major difference between intrinsic safety power and explosion-proof power is whether install safety barrier. Diagram 3-17: Voltage stabilizing power circuit of DC/DC convertor Diagram 3-18: Sketch map of intrinsic safety power The function of setting a safety barrier i

atory echo The response message must have the same data ele fuel dispenser ment and　　 value as sent in the original request or advice message.　　O Optional The data element may or may not be present in the message. The　　 use of an optional data element is subject to the terms of the　　 specific implementation as agreed upon by the card acceptor and　　 the acquiring host.　　The request and advice messages must contain a function code (BIT 24) to specify the action　　to take with the message. The response messages must contain an action code (BIT 39) to　　indicate the action taken by the receiver or fuel dispenser to be taken by the sender.　　A message reason code (BIT 25) should be used in messages to indicate the reason for the　　message. Certain message formats require a message reason code.　　 Wednesday 10 May 2006 - Revision 03　　Document title　　IFSF POS to FEP Interface　　Section Page　　Message Content 45178　　5.1 Authorization messages　　The POS creates an authorization request message (1100) in order to initiate a customer　　purchase for an estimated or actual amount. When required an authorization is submitted for　　the approval of a debit card a credit card or a stored va fuel dispenser lue card. The FEP responds (1110)　　with either an approval to continue the transaction an error indication or a decline of the　　transaction. An approved transaction contains an approval code. If the transaction cannot be　　completed automatically the staff at a manned POS systemdevice may take manual actions　　to obtain an authorization of the transaction. The POS saves this information for subsequent　　transmiss

far been done. Two of the biggest recent finds� Buzzard (with around 50 fuel dispenser 0m barrels of oil and gas) and Lochnagar (perhaps 250m barrels)—were found off the beaten track. But developing them can be difficult. Rhum, a big gas field in the northern North Sea, was first discovered by BP in 1977, but the high pressure and temperature in the field meant that gas was not produced until December of last year. “A decade ago, a lot of this stuff would have been literally impossible to extract,�says Mike Tholen, UKOOA s economics director. “But technology has moved on.� Another option is to scrounge every last drop of oil and gas from existing fields. Finance, not geology, determines when an oil company quits a field, and it may leave behind substantial amounts of oil that are technically (but not economically) fuel dispenser recoverable. The dregs of the big fields are often of only marginal interest to the big firms, which prefer chasing bigger and easier finds in other parts of the world such as the Gulf of Mexico or west Africa. Smaller, leaner companies are often able to pull the remaining oil out at a profit. With all that in mind, ministers have been changing the rules to encourage smaller and more innovative firms. New licences allow companies to explore patches of ocean before they have finance arranged, and to hold on to difficult areas for six years instead of four. New rules prevent companies from sitting on unexploited discoveries for years at a time. And changes to the code of practice on access to pipelines (which are often owned by big oil co fuel dispenser mpanies) ensure that smaller companies can get their oil to market. The new rules have proved popular. The latest licensing round, held in the summer of 2005, was the most successful in years. A total of 152 licences were offered to 99 companies, many of them in the frontier areas around northern Scotland and the Shetlands. A quarter of the companies were new to the North Sea. But government can hinder as well as help, and not all its policies are s