![](https://petrem.ru
/wp-content/uploads/2018/12/germovvodi-dlya-kabelya-razmeri-i-vidi-680x340.jpg)
Конструкция
Гермоввод состоит из:
штуцера — патрубка с резьбой для соединения изделия с оборудованием;
прокладки, обеспечивающей герметичность соединений;
крепежной и накидной гаек.
Приспособления обладают прижимной конструкцией — гайка прижимает провод через уплотнитель до достижения гермитичности. Поэтому один и тот же гермоввод применим к кабелям разных диаметров (диапазон составляет 2—3 мм). Наилучшая герметичность достигается, если диаметр переходника приближен к диаметру провода.
Как выбрать
При выборе нужно руководствоваться следующим:
Взрывозащищенность. Если необходим ввод кабеля на взрывозащищенное оборудование, переходник должен иметь соответствующую маркировку, соответствовать ГОСТ Р МЭК 60079, быть сертифицированным по ТР ТС 012/2011. Обратите внимание, что существуют различные классы взрывозащиты.
Материал изготовления. Подбирается в зависимости от агрессивности окружающей среды. Для домашних распаечных коробок подойдет пластиковый герметичный ввод — он недорого стоит, обеспечивает достаточную защиту. Если условия эксплуатации предполагают механические повреждения, воздействия влаги, необходим стальной, латунный или латунь-никелевый переходник.
Тип и размер резьбы. Она может быть метрическая, коническая, дюймовая. Соединение должно соответствовать пазу под гермоввод.
Размеры уплотнителей должны попадать в диапазон внутреннего и наружного диаметров кабеля. Эти данные можно получить из справочных материалов. К примеру, если диаметр провода с обшивкой — 13 мм, а без обшивки — 11 мм, то и уплотнитель должен быть от 11 до 13 мм. Рекомендуется брать усредненное значение. В описанном случае — 12 мм. Так уплотнитель будет плотно и безопасно прижимать проводник — не повредит его, но и не слетит.
Материал изготовления уплотнителя. Силиконовые изделия не теряют своих свойств в диапазоне от -60 до +120°С, неопреновые — от -60 до +68°С. Характеристики могут немного отличаться — зависят от конкретного вида материала, способа его получения.
В разных случаях могут потребоваться дополнительные детали: наконечник для присоединения металлорукава, крепление под заземление, контргайка.
That is very interesting, You’re a very skilled blogger. I’ve joined your rss feed and look ahead to searching for extra of your great post. Additionally, I have shared your website in my social networks!
Sex
Sex
Scam
Porn
Porn
As I web-site possessor I believe the content material here is rattling fantastic , appreciate it for your hard work. You should keep it up forever! Best of luck.
Porn site
Sex
Sex
Viagra
Porn
Viagra
Pornstar
Pornstar
excellent post, very informative. I wonder why the other
specialists of this sector don’t notice this.
You must continue your writing. I am confident, you have a great readers’ base already!
Buy Drugs
Buy Drugs
Viagra
Thanks for the helpful write-up. It is also my opinion that mesothelioma has an very long latency period of time, which means that indication of the disease may not emerge until finally 30 to 50 years after the primary exposure to asbestos. Pleural mesothelioma, which is the most common kind and impacts the area within the lungs, may cause shortness of breath, upper body pains, including a persistent cough, which may result in coughing up body.
I believe you have remarked on some very interesting points , thankyou for the post.
Please let us know when you plan to publish your book!
Heya i’m for the first time here. I came across this board and I find It truly useful & it helped me out much. I hope to give something back and help others like you aided me.
Buy Drugs
Sex
Buy Drugs
Porn site
Buy Drugs
Very good post. I absolutely appreciate this site. Keep writing!
I have to thank you for the efforts you have put in writing this site. I really hope to see the same high-grade content from you in the future as well. In truth, your creative writing abilities has motivated me to get my own website now 😉
Sex
Scam
Porn
Viagra
Porn site
Sex
Hi there! I could have sworn I’ve been to this website before but after looking at some of the posts I realized it’s new to me. Anyhow, I’m definitely pleased I stumbled upon it and I’ll be book-marking it and checking back often.
You ought to take part in a contest for one of the most useful websites online. I’m going to recommend this blog!
Saved as a favorite, I like your web site!
Porn
Buy Drugs
This is a topic that is near to my heart… Cheers! Exactly where are your contact details though?
It is the best time to make some plans for the future and it’s time to be happy. I have read this post and if I could I want to suggest you few interesting things or tips. Perhaps you can write next articles referring to this article. I want to read more things about it!
Thanks for your post. My spouse and i have usually seen that a majority of people are desirous to lose weight as they wish to appear slim along with attractive. Nonetheless, they do not continually realize that there are additional benefits to losing weight also. Doctors declare that obese people are afflicted with a variety of diseases that can be instantly attributed to their own excess weight. The great thing is that people who definitely are overweight as well as suffering from various diseases are able to reduce the severity of the illnesses by losing weight. It is easy to see a steady but noted improvement with health whenever even a negligible amount of fat reduction is achieved.
Viagra
Porn site
Pornstar
Next time I read a blog, I hope that it does not disappoint me as much as this particular one. I mean, Yes, it was my choice to read, but I truly believed you’d have something helpful to talk about. All I hear is a bunch of complaining about something that you could fix if you were not too busy searching for attention.
I truly love your website.. Great colors & theme. Did you make this amazing site yourself? Please reply back as I’m trying to create my very own blog and would love to know where you got this from or what the theme is named. Kudos.
I like what you have to offer. Keep up the good work!