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AAVV (1992)
Hydraulic headbox
Table 4.2.1
Pronunciation
Subdomain (1st level):  Papermaking
Subdomain (2nd level):  Paper web manufacture
Subdomain (3rd level):  Stock distribution
Grammatical category:  Complex term
Grammar notes:  Countable
Definition:  Pressurized, filled headbox. Although, this design does not utilize an integral air chamber, some method of surge suppression is usually incorporated within the approach system.
Definition source:  EN 9
Context:  A hydraulic headbox has specially designed narrow and wide channels (in multiple individual tubes) to create microturbulence and so reduce flocculation prior to formation.
Context source:  EN 17
Attestation:  2
Co-hyponyms:  Air-cushioned headbox
Hyponyms:  Dilution headbox
Hyperonyms:  Pressurized headbox
It:  Cassa d’afflusso idraulica
Degree of reliability IT:  3
Fr:  Caisse de tęte hydraulique
Degree of reliability FR:  3