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

Diagram 2-7: Installation of framework oil seal Important notices to disassembly and reassembly As pump and motor are the resource of power one should pay much attention to disassembly and reassembly of pump. Be sure that cut power prior to maintenance. Disconnecting V belt in case to cause any accident, prepare a container to collect oil that will pollute environment. Grind the semicircle keyway on pump axis using sand paper before disconnecting pump cover in order not to scratch framework oil-seal by burr. All components should be carefully cleansed prior to reassembly of pump in case dirty substance flow into pump and cause new trouble. Turn rotor and examine the vane working state after installing rotor subassembly and spring in pump chamber. Meanwhile, be sure that the position of vane should higher than rotor, low pump frame even. A little grease should be daubed on the inner of brass bushing and framework oil-seal when installing pump cover. When installing the bolts of pump cover each tension is coherent as the sequence that opposite bolts go first. After reassembly of pump to check inspect the rotation of pump. The seal ring between pump and vapor-recovery should be carefully examined before installing in case of leakage. Be sure that the two V wheels of motor an fuel dispe fuel dispenser nser d pump in line, having any obvious jump and wave. Internal gear pump Fuel dispenser is mounted now with two types of internal gear pump, namely, involute gear pump and inner cycloidal gear pump. In the former type a piece of crescent clapboard is installed between small gear and inner gear, dividing suction chamber with discharge chamber. However, in the latter type the division is realized through joint between gears, without clapboard. The smaller gear in internal gear pump is driver. Diagram 2-8 illustrate above gear pumps. Internal gear pump characterized that compact, light in weight, low noise and long service life still has disadvantage of complicated gear figure and high cost. Domestic market now has these two kin fuel dispenser

nt was not ok. The customer gets no receipt but the process continues; at　　 the end according to parameters the OPTCRIND could be not anymore operational.　　20. The EPS automatically or managing the customer request (e.g. card swipe) prints the Eft　　 receipt.　　21. If POS fails to receive a response from EPS (EPS failure) the process (hopefully)　　 continues; at the end according to parameters the OPTCRIND could be not anymore　　 operational.　　22. If successful EPS tells POS that Eft receipt is printed　　23. If POS fails the process in EPS continues; at the end according to parameters the OPTCRIND　　 could be not anymore operational.　　24. If successful OPTCRIND (POS) prints sales receipt　　25. The EPS performs the financial advice　　26. If EPS gets into an exception status transaction not possible to complete EPS tells POS　　 that the financial advice was not ok. The payment is missing a subsequent site managing　　 manual procedure must help to complete the payment and book the operation. The　　 OPTCRIND is not anymore operational.　　27. If POS fails to receive a response from EPS (EPS failure) the payment is missing a　　 subsequent site managing manual procedure must help to complete the payment and book the　　 operation. The OPTC fuel dispe fuel dispenser nser RIND is not anymore operational.　　28. If EPS tells POS the payment response but POS has failed (e.g. fails to get the　　 acknowledge) a subsequent site managing manual procedure must help to complete the　　 booking operation. The OPTCRIND is not anymore operational.　　29. If successful EPS tells POS that the financial advice was ok. The POS books the　　 successful payment.　　30. If not successful EPS tells POS that the financial advice was ko. a subsequent site　　 managing manual procedure must help to complete the payment and book the operation.　　31. If both POS and EPS applications are available the process restarts with POS passes　　 no sale fuel dispenser

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