U401-A Solenoid Valve

U401-A Solenoid Valve

The flow control valve has been tested and granted Ex approval.The Ex-approval is EX m II T4.Ex certificate number is CE021037.

Materials:

Body: Die cast aluminum alloy

Technical Specifications:

Power:AC220 V,2×4W

Current Consumption: big flow valve 18mA, small flow valve 18mA

Allow flow rate:65L/min,big flow rate:50L/min,small flow rate:5L/min.

Working pressure:0.035-0.035MPa

Environmental Condition: -40~~+70degree

Features:

A high advantage in reliability and adaptability.

Housing: Die cast aluminum alloy.

Dual flow control valves have three grades of big flow, small flow and close.

The fuel resistant cable can be customized regarding length.

100% Factory Tested.

Wiring:

Color Link

Brown communal terminal

Black big flow rate

white small flow rate

Yellow/green ground

Package:

Product ID Weight Dimension

U401-A 2.1kg/case of 130 ×116× 80mm/case of 1

hen distributing valve gets into a certain degree, another set of cylinder and piston are discharging and inputting. Under varied oil pressures four pistons has accomplished a circulation, camshaft and exporting axis rotating a circumference. Oil volume in a circulation is a stable constant. Diagram 2-22 illustrates the working circulation of four—piston measurement transducer. Working in Diagram 2-22a: high pressured oil flow into Cylinder 4 via the outboard of distributing valve, impelling Piston 4 move toward center. Piston 4 drives Piston 2 moving through connecting rod, at end of cylinder the oil is flowed out from the inside port of distrib fuel dispenser uting valve. Meanwhile, roller drives cam rotating clockwise, by which impel distributing valve moving. As both of them rotate at the 45 degree, operation goes into Diagram 2-22b state. Operation in Diagram 2-22b: as the time when Piston 4 and Piston 2 continue inlet and discharge, respectively, cylinder 1 and cylinder 3 start to inlet oil and discharge. Roller 4 and Roller 3 together drive cam rotating clockwise, as cam and distributing valve turn around 45 degree, operation goes into Diagram 2-22c state. Operation in Diagram 2-22c: as the time when Piston 1 and Piston 3 continue inlet and discharge oil, respectively, cylinder 1start to drive cam rotating clockwise. When cam and distributing valve turn around 45 degree, operation goes into Diagram 2-22d state. Operation in Diagram 2-22d is same to that of in diagram 2-22a. Diagra fuel dispenser m 2-22: Working principle chart of four-piston measurement transducer Discharge adjustment Fuel dispenser has passed the discharge adjustment so as to meet the accuracy requirement. Due to mechanical abrasion in long period of operation real discharge would deviate from academic discharge, resulting in accuracy decline. As the deviation appears, adjusting discharge could satisfy the accuracy requirement. The detailed adjustment methods as followed: at the beginning pull out the pin on hand wheel, turn wheel clockwise to reduce di fuel dispenser

IFSF-ISO8583　　 Device　　 Pin-Pad EPSPayment client　　 Proxy　　 (Key pad +　　 customer display)　　 COPT (OPT or CRIND)　　 Point of Payment (outdoor)　　 ICC readwrite　　 Site Border　　 fuel dispenser (Remote) Switch　　 Authorisation Centres　　The device proxy is actually partly implemented within the EPS application for the peripherals almost dedicated to　　card application: Pin-pad customer display Printer if dedicated to payment MSRICC card reader　　Both POSSell and EPS application can access those peripherals through the DeviceRequest messages each other　　behaving as a proxy interface when interrogated. The EPS can access the peripherals under his control also using　　other existing protocols. This makes the implementation easier but it does not decouple the EPS from the peripheral　　(i.e. Pin-Pad) fuel dispenser .　　The POSSell application implements the device proxy for the peripherals dedicated to the sell application: barcode　　scanner cashier display and keyboard (maybe through touch screen) larger customer display for sales information　　printer dedicated to sale receipt (fiscal or normal). This means that the EPS application will be able to access those　　peripherals through the Device Proxy interface while the sell application can keep using them as native (same as　　for EPS).　　IF fuel dispenser

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