TXP CLC Course
KKS Numbering Standards
Equipment Code Numbering for Fittings
The numbering for the KKS Equipment Code Level follows some general rules.
In the case of mechanical fittings, certain ranges of numbers are assigned
different functions. A listing is provided below:
001 to 029 Fitting in the main flow of the medium with an automatic drive
031 to 049 Safety valves, overpressure valves, regulating valves without
auxiliary energy in each case located in the main flow of the
medium
051 to 099 Back pressure operated fittings in the main flow of the medium
101 to 199 Stop and switch-over fittings in the main flow which are operated by
hand
201 to 249 Drainage systems
251 to 299 Air venting systems
301 to 339 Hand-operated shut-off systems in front of measuring instruments
with one connection
341 to 369 Hand-operated shut-off systems in front of the plus pole connection
of measuring instruments with two connections
371 to 399 Hand-operated shut-off systems in front of the minus pole
connection of measuring instruments with two connections
401 to 499 Hand-operated shut-off systems in front of measuring points as
required
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