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  2. Kubota - Wikipedia

    en.wikipedia.org/wiki/Kubota

    Kubota Corporation (株式会社クボタ, Kabushiki-kaisha Kubota) is a Japanese multinational corporation based in Osaka.It was established in 1890. The corporation produces many products including tractors and other agricultural machinery, construction equipment, engines, vending machines, pipe, valves, cast metal, pumps, and equipment for water purification, sewage treatment and air ...

  3. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    The "CV4000" numbers identify special-quality valves though SQ valves CV numbered before that rule came in retain their original CV number: CV4007 = E91AA – SQ version of 6AL5; CV4010 = E95F – SQ version of 6AK5 or EF95; CV4014 = M8083; The "M8" in the part number denotes that it was developed by the military:

  4. List of agricultural machinery - Wikipedia

    en.wikipedia.org/wiki/List_of_agricultural_machinery

    Agricultural equipment is any kind of machinery used on a farm to help with farming.The best-known example of this kind is the tractor.. From left to right: John Deere 7800 tractor with Houle slurry trailer, Case IH combine harvester, New Holland FX 25 forage harvester with corn head.

  5. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  6. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    A separate actuator on the piping releases pressure in the line if it crosses a threshold. This releases the pressure on the back of the seal, causing the valve to open. The essential parts of a PORV are a pilot valve (or control pilot), a main valve, a pilot tube, the dome, a disc or piston, and a seat. The volume above the piston is called ...

  7. Blowoff valve - Wikipedia

    en.wikipedia.org/wiki/Blowoff_valve

    A blowoff valve is designed to release pressure in the intake system when the throttle is closed. A "recirculating" type blowoff valve releases the pressurised air back into the non-pressurized section of the intake (i.e. upstream of the turbocharger), while an "atmospheric venting" type blowoff valve dumps the air directly into the atmosphere.

  8. Butterfly valve - Wikipedia

    en.wikipedia.org/wiki/Butterfly_valve

    Unlike a ball valve, the disc is always present within the flow, so it induces a pressure drop, even when open. A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is ...

  9. Industry of Machinery and Tractors - Wikipedia

    en.wikipedia.org/wiki/Industry_of_Machinery_and...

    The Metal Institute became the Industry of Machinery and Tractors (IMT) in 1954. The following year, research was conducted on different types of tractors and the Massey Ferguson licence was chosen. [4] In 1959, the factory was reconstructed and production capacities for 4,000 tractors a year were built.