This site uses cookies. Some of these cookies are essential to the operation of the site, while others help to improve your experience by providing insights into how the site is being used. For more information, please see the ProZ.com privacy policy.
Cookie settings
  1. KudoZ™ Top
  2. English to Russian
  3. Other

pump “Up-stream”

08:48 May 18, 2020
This question was closed without grading. Reason: Other

English to Russian translations [PRO]
Tech/Engineering - Other
English term or phrase: pump “Up-stream”
With hundreds of installations in the last few decades, John Crane is the best—and only—expert in applying the concept of active lift to mechanical seals for pumps.
How Does it Work?
Mechanical seals require a narrow gap between faces to allow a lubricating film to work; the gap must also be optimized to eliminate leakage.
The lubricating film thickness is measured in microns.
Debris in process fluids can create deposits, damage faces and cause hang-up.
Ultimately, seal life is shortened, and the MTBR of the pump is not acceptable.
The basic concept of John Crane’s solution is that the conventional seal is replaced by a low-volume, high-pressure “pump”—the Dynamic Lift Up-stream Pumping seal.
This “pump” propels a minute quantity of buffer liquid along the path normally sealed by the mechanical seal faces and into the product side.
Because the product side is at a higher pressure than the buffer liquid, this seal is said to **pump “Up-stream”**
Principles of Active Lift Operation Solve the Problem
A Dynamic Lift Up-stream Pumping seal operates on the principle of hydrostatic and hydrodynamic force balances.
The spiral groove pattern serves the purpose of a pressure-generating system, directing barrier fluid toward the outside diameter (OD), meeting the resistance of the sealing dam and increasing pressure.
Maxim Polukhin
Local time: 01:05


Summary of answers provided
3прокачивает против потока/давления
Enote
3создает "напор"
mk_lab


  

Answers


31 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
pump “up-stream”
прокачивает против потока/давления


Explanation:
Или прокачивает к высокому давлению/в сторону высокого давления.
В контексте все ясно сказано: This “pump” propels a minute quantity of buffer liquid along the path normally sealed by the mechanical seal faces and into the product side. Because the product side is at a higher pressure than the buffer liquid, this seal is said to **pump “Up-stream”**
Т.е. "насос"(торцовое уплотнение со спиральными канавками на кольце) прокачивает небольшое кол-во буферной жидкости через зазор между кольцами в сторону технологической жидкости, которая находится под большим давлением, чем буферная. Поэтому он и качает up-stream, т.е. против обычного потока (технологической жидкости в контур буферной жидкости через зазор) или против давления в сторону высокого давления

Enote
Local time: 01:05
Native speaker of: Russian
PRO pts in category: 1131
Login to enter a peer comment (or grade)

18 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
pump “up-stream”
создает "напор"


Explanation:
служит для создания напора в технологической линии

--------------------------------------------------
Note added at 3 hrs (2020-05-18 12:03:28 GMT)
--------------------------------------------------

В предложении говорится об уплотнении, а не о насосе (this seal is said to pump “Up-stream”). Говорить о том, что это уплотнение что-то куда-то "прокачивает" неправильно. Просто смысл в том, что это уплотнение противодействует повышенному давлению перед ним, создавая таким образом напор в технологической части системы.
А перекачивает жидкость, конечно же насос, а не уплотнение.

mk_lab
Ukraine
Local time: 01:05
Native speaker of: Native in RussianRussian, Native in UkrainianUkrainian
PRO pts in category: 20
Login to enter a peer comment (or grade)



Login or register (free and only takes a few minutes) to participate in this question.

You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.

Return to KudoZ list

KudoZ™ translation help

The KudoZ network provides a framework for translators and others to assist each other with translations or explanations of terms and short phrases.

See also:
ProZ.com term search
Search millions of term translations
Close search
Term search
  • All of ProZ.com
  • Term search
  • Jobs
  • Forums
  • Multiple search