Buying blow Vlaardingen

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Buying blow Vlaardingen

Dryfast construction dryers distinguish themselves with a large dehumidification capacity, a highly robust build, a long lifespan under the most extreme of circumstances and easy maintenance. Thanks to efficient rotating compressors, our construction dryers can be transported both horizontally and vertically and can be turned on immediately. Very large numbers of these construction dryers have found their way to the rental, construction, fire and water damage repair industries in the Netherlands. The construction dryers by Dryfast can be used to accelerate the drying process. Keep in mind that some situations are not suitable for immediate use, such as in the example of screed floors. Let your screed floor harden for 7 days before using a construction dryer for active drying. Extremely high dehumidification capacity, even at low temperatures. In a construction dryer, environmentally friendly refrigerant is compressed by a rotating compressor. The hot refrigerant enters the condenser under high pressure where the gas is cooled and condensed. The environmentally friendly RC refrigerant is injected into the evaporator where it evaporates. This requires heat which is extracted from passing air. The refrigerant is sucked back into the compressor and the cycle starts again. Humid air from the room is sucked over the evaporator where it is chilled drastically, causing the water in the air to condense. The water is drained via a descending water hose. Next, the cold air is reheated by the condenser and returned to the room as dry, warm air. Condenser drying is a natural way of dehumidifying construction materials. If applied correctly, this natural method eliminates the risk of shrinkage cracks. The main argument for using construction dryers is their major cost savings as opposed to drying by heating, during or after construction. Another significant benefit is the fact that the construction lead time is shortened: painters, plasterers and other workers can start their work at an earlier stage and work without interruption. In addition, there are far fewer moisture problems and damage after completion. Taking all of the above into account, construction dryers must be deployed in combination with condensation dryers. Before deploying air dehumidifiers, the room needs to be sealed as much as possible. This means that windows, doors and other openings have to be closed off. This will prevent humid outside air from entering the room. When using a single dehumidifier, it should be placed in the centre of the room. When deploying multiple dryers in the same room, the room is divided into several sections equal to the number of dryers. A dryer is positioned at the centre of each section to achieve optimal air distribution. The dryers should be positioned such that the fans can blow freely without interrupting the airflow of another fan. Construction dryers combined with heating The higher the room temperature, the shorter the drying time will be. When using construction dryers in combination with heaters, make sure that the heaters are not positioned too close to the construction dryers to prevent the construction dryers from sucking in the dry, warm air from the heater as this would immensely reduce the efficiency of the setup. Do not place indirectly powered heaters outside without a return air connection on the heater. When it is freezing outside, the heating process will deliver extremely dry air to the building. This may cause shrinkage cracks in a fresh floor. In addition, combustion gases released into the room may cause discolouration to fresh plasterwork. It goes without saying that it is unhealthy to work in poorly or non-ventilated rooms where combustion gases are released. With an average dehumidification capacity of 90 litres per 24 hours, the DF construction dryer is best suited for drying rooms with a volume of ca. The type number of a Dryfast DF construction dryer roughly represents the number of cubic metres that it is suitable for. When it comes to keeping stored goods dry, the volume stated in the table can be doubled. Important: overcapacity relative to the necessary dehumidification capacity barely provides any time gains while elevating energy and rental costs. We recommend getting in touch with one of our advisors for a correct capacity calculation. They will calculate your capacity needs and purchase costs as well as offer advice on how to achieve optimal results. It is almost impossible to pinpoint exact drying times. Dryfast construction dryers always create the perfect drying conditions comparable to a dry day when all windows are opened. However, these circumstances are rare in Belgium. Below you will find some indications of drying times assuming optimal drying:. Dryfast offers a range of measurement equipment to ensure that construction materials are dry enough to start the finishing process. Dryfast construction dryers are highly suited for deployment after water damage. Their high dehumidification capacity allows for the object to be dried quickly, especially when combined with mobile axial fans. More and more everyday products contain plastics, resulting in severely underestimated fire hazards. Rather than the damage caused by extinguishing water, the biggest issue is caused by the exceptionally aggressive nitric acid vapour that occurs when polyvinyl chloride PVC burns and reacts with humid air. If the right measures are not taken right away, the hydrochloric acid rains down on all bare metal surfaces coatings tend to be burnt of machines, computer equipment, tools, industrial robots, electrical installations, etc. This is why the cause of hydrochloric acid formation needs to be removed immediately. Which means that the chemical reaction between hydrogen chloride and humid air needs to be stopped as quickly as possible. This can be achieved with adsorption dryers and the DF construction dryer. F fitted with a hose connection piece with two connections. Dehumidification should start as soon as extinguishing activities have been completed; the sooner the drying process begins, the lower the expected restoration costs will be. Whether the entire room should be dried or only the objects in the room depends on the volume of the room. If drying the entire room is impossible due to economic or technical reasons, e. For even more effective drying, it is recommended to combine our construction dryers with our axial fans from the TTV series. They come with powerful internal ventilation that greatly accelerates water evaporation from the construction materials. High airflow velocity across the surface makes the water evaporate from capillary openings in the material at a higher rate. The air dehumidifier can only extract water vapour present in the air. TIP: Always have the mobile fan blow over the drying surface, never directly onto the surface. Corners and rooms that are difficult to reach, with little natural air displacement, require extra attention. Dryfast construction dryers, robust construction dryers with the greatest dehumidification capacity. Construction dryers. Why use a construction dryer? More about drying times. No electronic components without extreme protection. A robust build and extremely durable. Low power consumption due to rotating compressors. How a construction dryer works In a construction dryer, environmentally friendly refrigerant is compressed by a rotating compressor. Saving costs by deploying construction dryers The main argument for using construction dryers is their major cost savings as opposed to drying by heating, during or after construction. Positioning the Dryfast construction dryers Before deploying air dehumidifiers, the room needs to be sealed as much as possible. Determining the necessary dehumidification capacity With an average dehumidification capacity of 90 litres per 24 hours, the DF construction dryer is best suited for drying rooms with a volume of ca. Estimating drying times It is almost impossible to pinpoint exact drying times. Below you will find some indications of drying times assuming optimal drying: Screed; approx. For thicker screed, please get in touch so we can make a calculation for you. Attention: for 7 days after applying the screed layer, drying cannot begin because the material still has to absorb the amount of moisture necessary for the floor to strengthen over the course of the first 30 days. Anhydrite cast floors; up to a thickness of 4 cm, the drying process can be completed within approx. Provided that you start the construction drying process immediately, after 48 hours of casting the floor. For thicker floors, please get in touch so we can make a calculation for you. Stone walls, plasterwork and sand-lime brick blocks can be dried between 4 and 12 days Dryfast offers a range of measurement equipment to ensure that construction materials are dry enough to start the finishing process. Deployment of construction dryers after fire and water damage Dryfast construction dryers are highly suited for deployment after water damage. Options for condensation drain and relative humidity setting For Dryfast construction dryers: DF discontinued , DF F , DF F and the DHGX, the following options for condensed water drainage exist depending on the application: External water drain tray Condensed water is caught in a water drain tray. Another option is to use an evenly descending water hose to bring the water outside or to a drainage point. Permanent dehumidification We recommend a dehumidifier with a built-in condensate pump for all applications that require a permanent setup. The peristaltic condensate pump is able to pump up condensed water to a maximum height of 2. The DF , DF and DF construction dryers come with the option to fit them with a completely automatic condensate pump with overflow protection. Ask for these options if appropriate. The hygrostat turns the dehumidifier on and off to control the RH. The DHGXF construction dryer comes with a built-in hygrostat, the other construction dryers can be optionally fitted with an external plug-in hygrostat except the DF or a built-in hygrostat. Practical tips: optimising dehumidification capacity For even more effective drying, it is recommended to combine our construction dryers with our axial fans from the TTV series. We use cookies We use cookies to make the website work properly and to analyze the use of our website completely anonymously. We also place third-party cookies with your permission. By clicking 'Accept' you consent to the placing of these third-party cookies. If you click on 'Decline', these cookies will not be placed. More information can be found in our privacystatement. Accept Reject. Manage consent. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website. 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Buying blow Vlaardingen

My first real project was a Crystal Receiver, which my father bought for me as a kid. We lived close to the coast, and there were many ships we could receive. Some signals were so strong, you would hear all kind of voices and noises, just by putting this is series: 10 meters of wire, an OA79 diode, a crystal ear plug, and the water pipe of the house, which acted as ground. I was only six years old, and I was afraid the ships would have problems when I did not switch the receiver off after use. So my knowledge of electronics was a bit limited. Understanding the tuning circuit came later, so when that part didn't work which was often so I teared it down and start from the beginning again, 5 or 10 times, until it worked by coincidence. Later I added an 0C13 transistor, working on only one 1. These 0C13 cost 2. That would be like 10 Euro in today's money, and they last very short when you are a kid. So, an 0C13 was my standard birthday wish. Sometimes I got even two of them. The 0C13 were nasty to use, because after a while the lead wires used to break off. I managed to open up the glass case, and re-solder a very thin copper lead directly on the chip. You may not believe it worked, but those chips were large, I think 3x3 mm, and they looked 'soldered' to me, with a nice little drops. I had many of those 0C13 with the lead wires broken off, so nothing to loose. For this, I wound a single filament from a stranded mains cable, around the tip of my father's solder iron. Then by cutting this wire to the right length, I could find a position which was just hot enough to melt that tiny solder drop, and not damage the chip. It worked, and it was not even hard to do. Though the gain was less than before, they worked. Philips set up this 0C13 part number with lowered specifications for leakage and break down voltage, and many rejected 0C71 would pass the 0C13 specifications still. Such a clever and good idea! There was also an 0C14 which was a rejected 0C It is funny to see the part number appears to be based on the electron tube system. The first position is not a letter O, but a zero, which was always with cold cathode tubes, so the ones that need to no heater voltage. The C is for a device with three electrodes. I needed that EM34 for my tape recorder badly. I remember the rip off price, 90 guilders Euro but it was normal. The electronics seller shop below here! Often people complain about prices of NOS tubes, but 50 years ago, new tubes cost a lot more, as they cost now. I remember, in those days, salaries were compared per week. An adult worker would earn Guilders per week, and youngsters like me got 65 Guilders per week. You need to calculate appr a factor 3. I needed to work 7 working days for that EM34, for my tape recorder. But I wanted to have it no matter what price. I still have that tape recorder, which gave me so much joy. But it is detoriated now and not working any more. The EM34, which I had to work for, one whole week to pay it, is still in there, with little hours on it, so I am sure it is still good. At the house of P. Quakkelstijn you can still see his name on the above photo. He was a tall, grumpy old man. Later his son and wife, carried on the shop until or so, and they liked their work, and DIY people a lot more. Always when I was in the area, I payed them a visit, just to say hello. Today, both shops are gone. When I was 12 years old, color TV was coming suddenly. Each family would watch TV together from 19h to 23h in the evening, and the next morning 'what was on TV' was the thing everybody talked about. So having a TV was essential. So many people would use up their old Black and white TV until it needed a repair, and then dispose of it. Like this, I got hold of defective TV's for free. It is a very curious observation, these old Black and white TV have some extremely difficult working circuits, and it should be fun to restore those today. So you would expect, today DIY tube enthusiasts would be interested in those. But this was not so. You could buy them on Ebay still until the year for 25 Euro, full of 'PL' series tubes. Then, as analog broadcasting was switched off around or so, you could still get analog signal via cable TV. So even if there was no TV radio transmission any more, you could still use then normally via the cable TV signal. Then, in , analog TV signals were shut down permanently, and you had no more signal to watch TV. Though the only way to watch TV on those, is to use an analog video recorder of the type which produces antenna signal. This gives me good hope for radio collectors, because in some years, FM broadcasting will also belong to the past. Like this, I could get these defective TVs for free. Those older Philips types without printed circuit boards were in fact incredible good build quality, with a special made Ohms loudspeaker. Just look how amazing that worked, in order to get Ohms, the voice coil needs many windings, and has inductance. This inductance was used to make the tube circuit work and you need no plate choke. So amazing! The TV cabinet acted as an open baffle, with lots of 'damping stuff' inside. The sound quality of those old Philips TV's was remarkably good, because the sound channel was actually FM. Let me tell you, these Caps were often the problem cause with circuits which don't like leakage. They were no good at all. These TV's had a relatively long picture tube, so they could do with not so high acceleration voltage. It was only 16kV. These TVs suffered from cigarette smoke, as most living rooms in those days were as smoky as a gentleman's cigar club. I remember everybody was smoking like crazy. Really everybody. And really like crazy. It was completely normal in those days. These TV chassis developed a lot of heat, and air circulation was high inside. The smoke would build a brownish layer, combined with household dust. That layer was typical in all old TVs, it was a bit sticky, and somewhat attracted humidity, and a smeary layer attached to all wires and plastic parts. The old timers amongst us will sure remember this. If I see a picture of such a TV, I have that 'smoky' smell in my memory still, which sticked on my hands after a repair. I still own my grandfather's Philips 'Bi-Ampli' radio, with an original 'Accutronics' Reverb spiral inside, for artificial stereo. He was a heavy smoker and he 'smoked' the radio in his living room for 25 years, until he died, and then the radio went to me. Even though it was not subjected to cigarette smoke any more for the next 35 years after, it still has that typical smoke smell inside. Despite that, it still works in all original condition, no repair needed ever since. I play it frequently, which is probably the reason why it is still good. In the winter, when the atmospheric condition in Europe is humid and cold, I can receive AM stations from all over Europe, without antenna. Those old Philips picture tubes, if good, had a very sharp picture, and were very bright too. This is due to the chrominance 'color' signal not being separated from the video luminance signal, and it gets displayed like noise. Looking back, these Philips TV's were milestones of miniaturization, and quality too. You may perhaps have succeeded re-adjusting an AM Super Radio, but that is in fact very difficult. Re adjusting a tube FM tuner, there are not many who can do that at all. But re-adjust the RF circuits of a TV? I know nobody who did so. But speaking about quality: That was never needed. You just needed find out which one. As a kid, I found these broken TVs were very easy to get for free. A good one would sell for 65 Guilders, which was really nice money in those days. I spend it on books and electronics parts. When I was 15 or so, my TV repair business dried up suddenly. Nobody including myself bothered even to pick out the tubes. And there was a Philips ECC83 in each of them, in the channel selector. I was working on Analog to Digital converters and improving old power supplies. I liked bringing products with problems in good order again. I was able to give new life to a product called EP, an automatic meat slicer machine, controlled by microprocessor. The basics of the whole machine was intelligent and clever made, and they did not understand why it failed yet so often. Failures were a big problem, because the machine was hard to ship, and meat factories, had production problems. Meaning, service engineers had to fly over to the actual location to repair them. Very nasty for everyone. What a mistake that was. He had little understanding of RF problems, and his work was not recognized as the problem source. So when a transistor burned out, they just replaced it one of higher quality. Like the ones with gold plated leads, and using premium brands. If that didn't work, they put in just a higher power version, etc. They even dipped the whole PCB is special resin, assuming it was a humidity problem. But the real failure was the PCB board design. There was inductance and capacitive coupling everywhere. They let the 'new guy', which was me, give it a last try. It was allowed to change the schematics and PCB as I like, because frankly, the products was given up anyway. I found many strange situations in the PCB design. Only the maker of the PCBs, saw the things too easy. For him, signal mass and ground was the same. There was little awareness for RFI problems, decoupling, good grounding, and all of those issues. You can't just have a computer program knock such a PCB together. It took me half a year to improve the PCBs, and pay more attention to the high frequency aspects of this. But after this was done, came the message from the Rotterdam production site: EP with redesigned boards are working good, right after assembly '. They never had that situation before. After that I was given much nicer projects, but I had set my mind already on leaving this company. When I was already working in Germany at Hewlett Packard, my previous employer ramped up production of the EP very much. At first as an Application Engineer, and later as a field sales engineer. In those days it was a privilege to work for Hewlett Packard. At least everybody felt so, myself included. The company had an artificial subculture, like a society. It was still original when I joined, and the founders Dave Packard and Bill Hewlett were still on duty. You would be terribly mistaken, when you think they build this company out of nothing, just by coincidence. These two founders always made rules for overall processes. With this I mean processes, which involve the whole company as such. For them, the factor 'people' was a very important one, if not the most important. In their own way, they were keeping the company on the main course, and I am sure they have put into some simple rules as well. Though such rules were of course not always openly published. Tax wise only making loss. In I proposed to do their worldwide distribution, and they agreed. At that time the profit was very small, and there were only three tubes in the program: B, 32B an 52B. For me this was just for the interest I had in it. I convinced Alesa Vaic to expand his product range, and we went through a very innovative period. That was in the first days of the internet, and we were so happy we could gather inputs from people on the rec. It may seem hard to believe, but having a website came later. We didn't know exactly how to build a 2A3, so we started with a modified B but we couldn't get the characteristics like a real 2A3. Later we changed the construction to get a true 2A3. This was the first single plate 2A3 build ever since the big companies stopped with it, in the 's. No tube company had that tube available! Think of this while you can buy a 2A3 now from Russia, and from Yugoslavia, where did they all come from? I can tell you! It looks terrible, but it works good. This tube is some piece of HiFi history! Quickly after that, we made a mesh version, with real 2A3 characteristics, and it was the first re-issued MESH 2A3 tube, that we made that way. I still have this tube, it looks very nice, and it works perfect. It's a milestone of today's Retro-Tube-Technology. This was the first mesh tube ever re-build again , and we never changed anything fundamental to the design of that tube. The initial ideas for a mesh tube came from some of our friends from the New York tube scene. Today, there are many factories building 2A3. They are all followers of our ideas. Most of the marketing work was done by me, and the technical work was by Alesa Vaic. A breakthrough we had, when I bought for Alesa a tube tester, of which I knew it was a bit off calibration, the reading was a tiny bit too low. They had to pass any tube by this tester, because I had exactly the same one here, but with normal calibration. Later he understood, his tester was a bit 'weak', but like that we would never have a discussion about a tube that was only 'just good' on his tester, as it would be 'fine' on my good tester. He accepted that. As quality improved, business was picking up, though lifetime of the products to my opinion could have been a lot more better. Then things went faster, sales started to rise suddenly. It was good business now. Then In , unexpectedly I received a three lines email from Alesa's charming wife, telling they decided to do all sales them self. In the weeks before that, she had started to fired unwanted workers in the factory too. The distributor network that I was taking care of, was send a similar email by here, saying my company was dismissed, and they can now all buy directly. Most distributors contacted me of course, to ask what was going on, but all I could say, I don't know what this is, all I received was the same information, and it is not a fake. Then something happened, which AVVT had not expected. Some of those people that were fired, teamed up against AVVT, and they contacted me, because they wanted to produce tubes by themself, and needed somebody to take care of the sales. We tried to be as good competition as we could, though we had to start with little business. The first thing we did, dealers had to choose. You have to understand, this was just before the internet, and before Ebay, and AVVT's main communication tool was a fax machine. I remember how slow a sales network builds up, just by postal mail or fax. The small distributors only buy something when they have an order already in their pocket. The big guys have no interest to pre-pay an almost bankrupt company larger sums. Just a few months later, AVVT had to close down. Also we have re-made some original tubes as the first company. The 45 that EML re-introduced as the first o the market, was later picked up by the Chinese factories. Added to this are now some limit-breaking tubes, like the , and some of our unique mesh tubes. For my hobbies I have almost no time. That is keeping my Hammond Organs in good condition. I own an original B3 tone wheel organ, born in the same year as myself. It has a mechanical tone generator, and all tubes electronics inside. Unfortunately I don't have the time to play them very much. Here is a sound sample of the B3. This is 70 Years old electronics. Switch it on, and it works flawless Here is some more info about it. Uchida, owner of Sun Audio Japan. This was at the morning we left, after three days triode-fun. Specialty: Energy, and High Voltage Electronics. Field Sales Engineer at Hewlett Packard. Quality Engineer and Auditor at Agilent Medical division. Working for MODC. My Own Damn Company. A final word: Thank you for the many nice and interesting comments I received on this page :. Hello, my name is Jac van de Walle, I was born in Holland, and I have been an electronics enthusiast ever since I remember. Just for an idea of prices in 0C 2. This is one of the articles I published in the electronics magazines.

Buying blow Vlaardingen