U101-D Flowmeter

U101-D Flowmeter

Materials:

Body: Aluminum (Spray-Painted)

seals: Buna-N

Technical Specifications:

Discharge rate of each revolution:0.473L

Flow rate range:5L~65L/min

Accuracy:±0.2%

Repeat error:�.1%

Environmental condition:-40~~+70degree

Minimum adjusted quantity:0.04%

Working pressure:0.12Mpa-0.3Mpa

Features :

Micro-accurate 4-piston,positive displacement type meter with rotary valve, exterior adjustment and double oil lip seal for long life.

External structure achieved by single body design of components.

100% tested before Ex-Factory

Package:

Product ID Net Weight Cross Weight Dimension

U101-D 5.3kg/case of 1 5.5kg/case of 1 27×23× 22cm/case of 1

on quickly increase in recent year, consumption of finished oil increase al well, the vapor pollution and resource waste in forecourt become more important safety factor in considerable filing station, safety distance and vapor density in particular. At present, vapor separator device is installed and obtain content effect in most of large and middle cities reference to foreign improving measures. Its recovery principle is divided as two phases: first phase refers to closed discharge from tank vehicle; second phase refers to vapor recovery as refueling oil. Phase I vapor-recovery system The first phase system aims at to rebuild the delivery pipe and vapor recovery pipe between vehicle tank and tank. (Diagram 4-1) The volume of vapor will be increased as flowing into tank because of waves and shock. Therefore, the inlet pipe should be deeply stretched under oil level so as to reduce oil waves. As for a tank exceeding 945L of volume, inlet pipe is needed stretching into oil no higher 15cm than bottom of tank. Oil flows into tank from under level, vapor flow back into vehicle tank under pressure. In principle, the volume of oil and vapor is corrective. In order to make as little as vapor volatize during delivery, the structure of traditi fuel dispenser onal ventilating pipe should be improved, making system in sealed state under normal pressure range. Reclaimed vapor is dealt with through condensation, adsorption and burn after taking back. Its operation principle is similar to the vapor system of balanced nozzle. Diagram 4-1: Phase I Vapor Recovery System The pipeline installation is illustrating in Diagram 4-2. The height of air pipe at least 4m. The length of fuel dispenser back air is shorter than air pipe, diameter larger than that of air pipe. It is prohibited to appear overflow phenomenon as vehicle tank discharge, shut off switch of air pipe. The jointer between air back and discharge pipe should adopt speed jointer. Pha fuel dispenser se II vapor-recovery system Phase II refers to the progress in which vapor in vehicle tank is

e Nano3　　280 mm main graduation 5 mm intervals　　 participants realized with optical probing　　 units of especially high quality and the result-　　 ing small length-independent uncertainty　　 components agree within the range of a few　　 nanometer.　　 The good quality of the line scales used and　　 the accompanying investigations carried out　　 at the PTB on material properties and the　　 long-time stability of the substrate materials　　 has enabled the participating institutes for the　　 first time to perform a metrologically power-　　 ful comparison of the length-de fuel dispenser pendent and　　 length-independent uncertainty components　　 determined for the length comparators in-　　 volved. In this Nano3 comparison the PTB　　Figure 4: Measurement results obtained on the　　 co fuel dispenser uld also determine and document the　　Nano-3 quartz line scale incl. results obtained with　　the nanometer comparator (nmk). Deviation from present capabilities of the new nanometer　　the linear fitted lines for the subset of participants comparat fuel dispenser or.　　results for which a length-independent uncert

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