Urethral catheter with balloon: Foley catheter 2-way with nelaton tip.
Side channel for inflating balloon, ending by a non-return valve with Luer tip connector.
Central channel for urinary drainage, straight rounded distal end with lateral eyes, proximal end with cup connector allowing catheter to be connected to urine bag.
Balloon capacity expressed in ml.
Length expressed in cm.
Colour code / external diameter visible on connector.
Central channel for urinary drainage, straight rounded distal end with lateral eyes, proximal end with cup connector allowing catheter to be connected to urine bag.
Urethral catheter with balloon: Foley catheter 2-way with nelaton tip.
Side channel for inflating balloon, ending by a non-return valve with Luer tip connector.
Colour code / external diameter visible on connector.
Length expressed in cm.
Balloon capacity expressed in ml.
Urethral catheter with balloon: Foley catheter 2-way with nelaton tip.
Side channel for inflating balloon, ending by a non-return valve with Luer tip connector.
Central channel for urinary drainage, straight rounded distal end with lateral eyes, proximal end with cup connector allowing catheter to be connected to urine bag.
Balloon capacity expressed in ml.
Colour code / external diameter visible on connector.
Length expressed in cm.
Atraumatic, soft, rounded closed distal end with 2 lateral eyes, proximal end with cup connector allowing catheter to be connected with urine bag.
Urethral catheter without balloon, nelaton tip.
Length expressed in cm.
Colour code cup connector.
Atraumatic, soft, rounded closed distal end with 2 lateral eyes, proximal end with cup connector allowing catheter to be connected with urine bag.
Urethral catheter without balloon, nelaton tip.
Colour code cup connector.
Length expressed in cm.
Product is composed of a glass shell, a baffle, a fluorescent plate, field electrode, a cathode, an anode and the base, The electrode distance is not less than 219mm, the length of the fluorescent board is not less than 120mm, the diameter of the main pipe is not less than 40 mm and the length is not less than 270mm, the width is not less than 35mm, and the fluorescent plate and the glass tube axis are about 10 degree.
....-lab-1054611025.jpg "Cathode ray tube (magnetic effect tube)")
Product is composed of a glass shell, a baffle, a fluorescent plate,a cathode, an anode and the base, The electrode distance is not less than 219mm, the length of the fluorescent board is not less than 120mm, the diameter of the main pipe is not less than 40 mm and the length is not less than 270mm, the width is not less than 35mm, and the fluorescent plate and the glass tube axis are about 10 degree.
....-lab-753646588.jpg "Cathode ray tube (mechanical effect tube)")
Product is composed of a glass, a guide rail bracket, a vane wheel, a cathode, an anode and the base, Tube vacuum range of 0.13 PA (1 x 10-3 torr) ~ 0.07 PA (5 x 10-4 torr), the cathode ray tube diameter is not less than 40 mm and length is not less than 235mm, the cathode ray tube electrode is made of pure aluminum with no less than 99.7%.
....-lab-1789204066.jpg "Cathode ray tube (straight tube)")
Product is composed of a glass shell, a baffle plate, a bracket, a cathode, an anode and the base;Bezel diameter is not less than 80 mm and the length is not less than 235mm. Tube vacuum range of 0.13 PA (1 x 10-3 torr) ~ 0.07 PA (5 x 10-4 torr), the cathode ray tube electrode is made of pure aluminum with no less than 99.7%. Baffle plate is made by a thickness of not less than 0.8 mm, the length of not less than 45mm cross type aluminum plate, flexible and flip to upright on the bracket.
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Safety glasses and glows
Digital voltmeter
PC interface for the measurement and data storage
Digital ammeter on console
Digital voltmeter on console
Zn reference cell
Copper electrode
Carbon steel electrode
Cu/CuSO4 reference cell
Ag/AgCl reference cell
Transparent basin to build the electrolytic test bath
Simple circuit with sliding variable resistor and lamp suitable for inserting into the electrical circuit of the electrolytic cell
Zinc electrode
Aluminum electrode
Magnesium electrode
DC feeder (with constant voltage, constant current, constant potential facilities)
Ti-Pt anode
MMO tubular anode
Fe bar
Cu bar
Fe-Ni bar
Waterproof resistor with thermostatic device
Resistivity fluid cell
Air pump with relevant sprayer
Carbon steel electrode (partially coated with epoxy compound)
Carbon steel electrode (completely coated with epoxy compound)
Various reagents supplied in plastic cans with safety technical data sheets
Set of ancillaries and connecting leads
Set of spare fuses.
Cathodic protection techniques are commonly used to protect steel pipelines, structures and storage tanks, ships, oil platforms and structural elements of oil wells. Cathodic protection is a technique used to control the corrosion of a metal surface by making it work as a cathode, coupling it with a less noble metal (sacrificial anode) or with a cathodic power supply. The experiments can be carried out at different temperature and oxygen concentration, using different kinds of reference electrodes and sacrificial anodes as well as various metal samples with or without surface treatment. This trainer enables the study of the cathodic protection with sacrificial anode or impressed current (at constant potential and at constant current). The trainer can be connected to a PC (not supplied) running Windows and a dedicated software for the experiments data acquisition and storage.
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Cathodic Protection Training Bench provides suitable devices to highlight the concept of the free corrosion potential, measured with easy to use reference electrodes and means suitable to build with a certain accuracy the polarization curves. Cathodic Protection Training Bench provides facilities to study the case of isolated systems, as well as the case of systems where different metals are coupled together. Particular attention is given to the presence or not of several kinds of insulating materials over the surfaces of the samples, in order to demonstrate the different behavior of the same material when coated or bare.
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It has been cross sectioned according to the same criteria to show its main parts. CAV DPC Injection Pump Cutaway an evolution of the CAV DPA pump. It is provided with an indirect injector.
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Investigation of cavitation processes in a Venturi nozzle
Flow measurement using rotameter
Venturi nozzle with 3 pressure measuring points
Pressure reducing valve, adjustable
Thermometer for measuring the temperature
Manometer for displaying the pressure curve in the Venturi nozzle
Adjustment of the flow rate via ball valves.
The pressure through the nozzle can be controlled by a ball valve located on the discharge side of the nozzle. The Inlet, Throat and Outlet pressures are displayed on a pressure gauge via a three-way selector switch. Cavitation demonstration apparatus is a bench top unit designed for use on Hydraulics Bench. It consists of a tube through which water can be pumped by the hydraulic bench. The apparatus comprises of a clear acrylic nozzle mounted on a support plate. The throat pressure can be varied in either of two ways. The first way is to vary the discharge. Reduction of discharge causes a corresponding reduction of the pressure drop as the flow accelerates into the throat because the velocities are reduced, so that the pressure in the throat increases and cavitation ceases. The tube has an initial diameter of 25mm. It then has a linear contraction to a throat diameter of 5mm. This is followed by a 10mm length of parallel-sided tube, after which it flows through a linear diffuser until the diameter is back to 25mm. The contraction ratio (measured in terms of cross-section area) is therefore 25:1. The second way is to throttle the flow out of the apparatus using the ball valve. From a situation where there is no cavitation, increasing the discharge increases the pressure drop as the flow accelerates into the throat because the velocities are increased.
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Cavitation Demonstration is a small scale apparatus designed to demonstrate Cavitation utilizing an Hydraulics Bench
Flow control valves upstream and downstream of the test section allow flow conditions to be optimised for the demonstration of Cavitation
The apparatus consists of a circular Venturi shaped section manufactured from clear acrylic
Three Bourdon gauges indicate the static pressure upstream of the contraction, inside the throat and downstream of the expansion
Educational software available as an option
Quick release fitting for easy connection to hydraulics bench.
Operating Conditions:
Operating environment:Laboratory
Operating relative humidity range: 80% at temperatures < 31C decreasing linearly to 50% at 40C
Operating temperature range:+5C to +40C
Storage temperature range:25C to +55C (when packed for transport).
The Cavitation Demonstration Unit offers a clear andeasy-to-understand display of cavitation. Students create clearly visiblecavitation in a Venturi and take measurements of flow and pressure. The causes and effects of cavitation are one of the mostimportant subjects in any course on fluid mechanics. In severe cases, cavitationwill damage machines and hydraulic systems. It alsoallows students to understand the Venturi by studying upstream and throatpressures. Studentsuse theory and practical experiments to learn how to predict the onset ofcavitation. They gain practical experience of using the continuity equation and Bernoulli's equation. They use these to calculate flow and pressure, differentmethods of creating cavitation and causes of error. The apparatus is aself-contained, mobile unit. Designers and engineers must beaware of cavitation when they create a new design or installation. Cavitation Demonstration Unit is a purpose-designed teaching unit which enables efficientand effective investigations into the causes and effects of cavitation. The frame includes a handy worktop for student paperwork. It consists of a robust frame which holds a watertank (or reservoir), an electric pump, a flow-control valve, a flow meter and aVenturi.
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Open impeller to observe the blades during operation
Continuously adjustable pump speed via frequency converter
Visualisation of cavitation in centrifugal pumps
Transparent pump housing and pipe at the inlet side
Display of the pressures at inlet and outlet side of the pump via manometers
Closed water circuit with tank and temperature display
Digital display of speed, water temperature in the return and flow rate
Temperature control via heater and external cooling via water supply
Flow measurement using rotameter.
Cavitation can play a major role in the vibration of pumps during operation. The pump and tank are interconnected by hoses. Valves and manometers in the delivery and intake lines allow various operating conditions to be set. The transparent plastic pump housing provides a view into the interior of the pump during operation. With the accessory set, cavitation can be experimentally induced and its influence on the vibration spectrum investigated. The principal elements of the accessory set are a single-stage centrifugal pump and a storage tank. This enables the formation of cavitation bubbles to be observed.
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