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.
17:56 Mar 11, 2008
English to Spanish translations [PRO] Tech/Engineering - Engineering (general) / pumps, vacuum technologies
English term or phrase:roughing pump
"Oil Sealed Rotary Pumps - Two common designs exist, a vane type and a rotary piston type.
Relatively low absolute pressures of between .01 and 1 mm Hg can be obtained. This type of pump is commonly used as a “roughing pump” for high vacuum systems."
"Pumping to high vacuum requires operating the roughing pump to reach a certain level of vacuum and then isolating it while using the high vacuum pump to attain the final vacuum pressure required."