U303 Automatic Nozzle

U303 Automatic Nozzle

For Heavy Duty, High-flow Truck stop, Bus and Fleet Service If you operate a full-service truck-stop, refuel your own fleet, or manage a card-lock refueling location, the low cost, long life and durability of the 120L high flow nozzle can help increase your productivity, sales and profits.

Warning

Do not use U303 Nozzles with a hold-open device on prepay self- service installations.Using foreign objects to hold-open automatic nozzles could result in failure to shut-off and personal injury.

Materials:

Body: Aluminum

seals: Buna-N, Viton

Main stem seals: Viton Cased Oil Seal / Graphite with Teflon

Main stem: Stainless steel

Color of insulator :

Red Green Blue Yellow Black

Features :

U303A/B Flow rate: 0-120L/m (113/16")

U303C/D Flow rate: 0-90 L/m (1")

Working Pressure: 0.18Mpa

U303 Automatic Nozzles for diesel, kerosene and all kinds of gasoline service.

Easily replaced spout- simply remove the screw.

Spout kits are available from HONGYANG.

Even, smooth, spray pattern- minimizes diesel foaming and false shut-offs.

Three position hold-open device- one finger control of hold-open mechanism means easy setting of flow rate.

Full hand insulator- protects both nozzle and vehicle, and insulates users' hands.Available Colors- color chart on inside back cover

Dual poppet valves- easy to open nozzle against high pressure.

Spout retaining ring- adds extra measure in securing nozzle spout in fill pipe.

100% Factory Tested.

Replacement Parts:

Key Description

1 Spout 1''

2 Spout 13/16''

3 Full hand insulator

4 Lever

5 Lever assembly

6 Diaphragm assembly

7 Main valve assembly

Package:

Net Weight Cross Weight Dimension

16kg/case of 10 19kg/case of 10 45x40x32.5cm/case of 10

Important:

The products should be used in compliance with applicable country, province and local Laws and regulations. Products selection should be based on physical Specifications and limitations and compatibility with the environmentand materials to be handled. HONGYANG makes no warranty of fitness for a particular use. All illustrations and Specifications in this literature are based on the latest products information available at the time of publication,HONGYANG reserves the right to make changes at any time in price, materials. Specifications and models and to discontinue models without notice or obligation.

of four-piston measurement transducer The upper subassembly includes inlet and outlet of oil. The export axis stretches out of measurement transducer from the hole of upper cover unit. The middle of frame unit is a solid chamber, connecting with four cylinders mounted stainless steel bushing. There is an oblong passage on top of each cylinder, which is communicated with lower part of cylinder. fuel dispenser These oblong passages also communicate with annular grooves related on fuel dispenser top of frame. Four pistons mounted idler wheels are installed respectively into bushings related, connecting piston with connecting rod at same axes. Camshaft unit insert into the oblong groove in middle of connecting rod. Shaft is supported by installing hole at lower frame and valve seat. D and U bearing are mounted in the two holes. Four end covers are installed at each end of frame, of which adjusting device being installed at one end cover to regulate the moving distance of piston concerned. Adjusting device regulates the discharge of measurement transducer so as to ensure the accuracy. Distributing valve and valve seat are installed at top of frame unit. 1-Seal gasket 2-Upper cover unit/O-ring 3-Drive fork/output shaft 4-Spring\O-ring\valve cover\seal\gasket 5-Frame\distributing valve\valve seat\connecting rod\cam\cam axis 6-Piston\clamp sheet\pin 7-End cover\adjusting bolt\gasket\regulating wheel Diagram 2-21 fuel dispenser : Exploded view of four-piston measurement transducer Working principle The pressured oil coming from vapor separator or submersible pump flows into distributing valve via measurement transducer and continuously flow into relevant cylinder via the oblong passage at top of frame so as to drive piston moving. Likewise, the piston impels opposite piston through connecting rod, pressured oil flows out the outlet of upper cover via the passages at top of cylinder and then the inboard window of distributing valve. As piston move to and fro, camshaft is driven by trolley unit that making distributing valve and export axis rotation. W

uccessful payment by card because of POS unavailable ...............................................................20　　 3.2 PART A - USE CASE: INDOOR CARD PAYMENT REVERSAL ..........................................................................................20　　 Brief Description ............................................................................................... fuel dispenser ..............................................................20　　 fuel dispenser Pre-Conditions.................................................................................................................................................................20　　 Actors...............................................................................................................................................................................21　　 Main Flow Description....................................................................................................................................................21　　 3.3 PART A - USE CASE: INDOOR CARD PAYMENT REFUND..............................................................................................22　　 Brief Description .............................................................................................................................................................22　　 Pre-Conditions............... fuel dispenser ..................................................................................................................................................22　　 Actors...............................................................................................................................................................................22　　 Main Flow Description....................................................................................................................................................22　　 3.4 PART A - USE CASE: INDOOR CARD PRE-AUTHORISATION AND PAYMENT ..............

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