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Items starting with N

Needle

Automated Needle Valve: The same as a manual needle valve (see above), except the valve mechanism is moved by an electric, pneumatic, or hydraulic motor which is controlled by a remote switch or remotely generated electronic signal.

  • SPEC #: 17930

Needle

Manual Needle Valve: A valve having a small orifice and a threaded, needle-like plunger that enables precise regulation of flow. It is generally used for controlling small flow rates.

  • SPEC #: 17830

Nitrogen Systems

Utilities, Nitrogen Systems: An in-house generation, storage and distribution system found in laboratories and industrial facilities, ensuring the availability and delivery of nitrogen upon demand, to specified locations and activities

  • SPEC #: 18717
  • Code: 18-17-25

No Name

Chemicals. Also called chemical substances, are defined as any material with a definite chemical composition, or a substance produced by or used in a chemical process. According to this definition a chemical substance can either be a pure chemical element or a pure chemical compound.

  • SPEC #: 18510
  • Code: 18-51-00