Keller AF Pyrometer 2 PQ21

Part number PQ21 AF 2 uses an alpha series prefix common to Keller components, where the leading 'PQ' characters classify this unit within the broader pyrometer catalog. Keller engineering practice emphasizes tight tolerances and conservative ratings, qualities that make its pyrometer line suitable for demanding installations.

As part of Keller's industrial catalog, the PQ21 AF 2 supports a wide range of machine-builder and maintenance applications, with interfaces that align with common equipment standards.

Engineers deploy Keller PQ21 AF 2 units in roles such as plant-maintenance replacement programs, retrofit on legacy machinery, and process-equipment refurbishment, commonly found in food and beverage.

Detailed mechanical and electrical specifications for Keller PQ21 AF 2 can be obtained on request; contact Verkopershulp.nl for the most recent revision sheets.

Verkopershulp.nl stocks Keller PQ21 AF 2 with fast EU-wide delivery to the Netherlands, Belgium, and Germany, and offers technical support for selection and replacement.

Operators typically plan replacement of the PQ21 AF 2 during scheduled maintenance windows, using Keller's documentation for part identification and torque values.