.. auto-generated by script ../../../../utils/nxdl2rst.py from the NXDL source NXpump.nxdl.xml

.. index::
    ! NXpump (base class)
    ! pump (base class)
    see: pump (base class); NXpump

.. _NXpump:

======
NXpump
======

**Status**:

  base class, extends :ref:`NXobject`

**Description**:

  Device to reduce an atmosphere to a controlled remaining pressure level.

**Symbols**:

  No symbol table

**Groups cited**:
  :ref:`NXfabrication`

.. index:: NXfabrication (base class); used in base class

**Structure**:

  .. _/NXpump/design-field:

  .. index:: design (field)

  **design**: (optional) :ref:`NX_CHAR <NX_CHAR>`

    Principle type of the pump.

    Any of these values:

      * ``membrane``

      * ``rotary_vane``

      * ``roots``

      * ``turbo_molecular``


  .. _/NXpump/FABRICATION-group:

  **FABRICATION**: (optional) :ref:`NXfabrication`



Hypertext Anchors
-----------------

List of hypertext anchors for all groups, fields,
attributes, and links defined in this class.


* :ref:`/NXpump/design-field </NXpump/design-field>`
* :ref:`/NXpump/FABRICATION-group </NXpump/FABRICATION-group>`

**NXDL Source**:
  https://github.com/nexusformat/definitions/blob/main/base_classes/NXpump.nxdl.xml