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.

hydraulic section of fuel dispenser is a comprehensive presentation of the applied hydrodynamics, mechanical manufacturing, engineering mechanics, engineering material, automotive control principle and metrology. The performance of hydraulic components and matching ration is symbolic of fuel dispenser. This chapter mainly introduces the structure of hydraulic components, working principle and troubleshooting of fuel dispenser, such pump, oil-air separator, measurement transducer, nozzle, oil indicator and solenoid valve. Since there are many brands of fuel dispenser that mounted different hydraulic parts it is difficult to comprehensively introduce domestic fuel dispenser’s hydraulic components. In order to facilitate the reader to better understand hydraulic components and master maintenance technique, this handbook will present the popular fuel dispenser’s structure, working principle and reparation methods. Despite different model of components there are still many similarities in their working principle. To learn the common components is conducive to know other model. As a failure phenomenon occurred by various causation, only deeply understand products one can precisely judge its trouble. Therefore, we spend a whole chapter to introduce fuel dispenser the working principle of components. In fuel dispenser market there are many hydraulic parts with similar appearance and inner stru fuel dispenser cture. Different manufacturers with different research and understanding provide various products in terms of performance and failure presentation. Readers could maintain not only according to the User’s manual provided by m fuel dispenser anufacturer, but also analyze and repair to the knowledge introduced in this chapter. Professional maintenance operator assigned by manufacturer will be asked when meeting some much difficult trouble. The hydraulic source system of fuel dispenser composes of pump and motor. By delivery model it divides positive delivery and negative delivery. The former model adopts submersible pump, usually a centrifugal pump that

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