U102-C2 Gear Pump

U102-C2 Gear Pump

Materials:

Body: Cast lron (Spray-Painted)

seals: Buna-N

Technical Specifications:

Power:750-1000W

Flow Rate:45~90L/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-C2 32kg/case of 1 32.5kg/case of 1 27×35× 42cm/case of 1

ds of gear pumps. The following introduce cycloidal gear pump: Diagram 2-8: Two kinds of internal gear fuel dispenser pumps Gear pump structure Diagram 2-9 is an exploded drawing for inner cycloidal gear pump. Inner cycloidal gear pump mainly composed of frame, gear-group, overflow valve, strainer, pump cover subassembly, etc. pump chamber is cylinder-shape in which strainer is installed at inlet of oil. Overflow valve and pump is in parallel connection. Concentric installation is between pump chamber and exterior gear-group, between inner gear and principal axis. But inner gear and outer gear is assembled centrifugally. Principal axis drives gear-group rotate. Gear pump has two chambers --- pressure oil chamber that discharge oil and suction chamber that suck oil—which are not connectable. When gear pump operating gear-group rotate anticlockwise at view of pump cover direction. Delivery pressure depends upon the adjustment of overflow valve, laden degree and inner penetration. In the process of nozzle open, small oil resistance, overflow valve is in low status of openness. However, as nozzle turn down or large oil resistance and pressure, the spring of overflow valve move sideward, increasing openness so that more oil flow into negative chamber. The outlet pressure of pump keeps under 0.3Mpa. Working principle of overflow valve The outlet of overflow valve is the interface in where pressured oil chamber pass into suction chamber. The overflow valve play role as a protection to restrict the highest pressure in hydraulic system and to adjust delivery volume of fuel dispenser. Its structure is illustrated in Diagram 2-9. fuel dispen fuel dispenser ser Motor driving pump starting work, the pressured oil from pressure area flow into vapor-separator and overflow valve outlet via pump outlet. Given switch nozzle, part of oil flow out of pipe of vapor separator, another part of oil flow into suction chamber via overflow valve with small openness. However, as close down nozzle, pressured oil overcome spring bounce under high pressure in hydraulic s

r preset or prepay mode the FP receives the　　 Remote_Volume_Preset fuel dispenser or Remote_Amount_Prepay data.　　 The FP receives Release_FP command.　　 Action : The FP state change is send as an unsolicited data array　　 FP_Status_Message .　　 NOZZLE-DOWN The customer returns the first selected logical nozzle into its holster and the FP　　 returns to the IDLE state. This allows the customer to select another logical nozzle　　 from the same FP if the wrong one has been picked up.　　 Action : The FP state change is send as an unsolicited data array　　 FP_Status_Message .　　June 2005 IFSF - STANDARD FORECOURT PROTOCOL FP31_2.21　　 DISPENSER APPLICATION　　 Page: 37　　 TERMINATE_FP The FP is forced to move to the IDLE state.　　 PCD Comment:　　 As most proprietary FP s don t support the concept of terminating a CALLING　　 FP the PCD will have to manage the state transitions from CALLING to IDLE.　　 This action will involve dealing with the proprietary FP being IDLE but having its　　 nozzle removed.　　 Action: The FP receives a Term fuel dispen fuel dispenser ser inate_FP command.　　 Action : The status change is send as an unsolicited data array　　 FP_Status_Message .　　 CLOSE_FP The FP will be closed down and the FP moves into the CLOSED state.　　 PCD Comment:　　 As most proprietary FP s don

he risk premium for the social tumult that could result from climate change. Likewise, the foreign-policy fuel dispenser priorities of America and her allies are endangered by current global trends. Oil-rich authoritarian regimes use their revenues to stymie opposition and fund anti-Western appeals, energy-poor nations struggle to pay their rising oil and gas bills and terrorists have targeted energy infrastructure. Energy reserves are coming under the tighter control of governments, resulting in supply decisions that are based on politics, not market logic, and this changes geopolitics. Our relationship with Russia has already been redefined Brazil, China, India and others will follow suit. Breaking our dependence on oil through the use of renewable energy and efficiency is not something we should do because of “green idealism� It is a necessity for our economic and social security. Whether the cost of subsidies is “too high�cannot be judged in a vacuum it must be weighed against the calamitous consequences of doing nothing, and the enormous gains in security and economic and environmental well-being that will result from a sustained long-term effort that the market cannot currently provide. So although it is correct to say that the public will not support wasteful subsidies, it is up to politicians to convince the voters that these expenses are neither a waste nor a luxury, but are essential to avert political, economic and environmental disaster. Richard Lugar Chairman Foreign Relations Committee United States Senate Washington, DC SIR �I was intrigued by your statement that solar-power units “shoul fuel dispen fuel dispenser ser d last for decades�(“Dionysus, meet Helios� November 18th). There is little research demonstrating the economic sustainability (ie, without subsidies) of solar panels over decades of use and there is no consensus about their actual lifespan. It is also questionable whether solar panels are significantly better for the environment than fossil fuels. Silicon fabrication factor