Safety devices specially adapted for filtration; Devices for indicating clogging

Introduced: September 1968

Last revised: January 2006

Full Title

Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions > Safety devices specially adapted for filtration; Devices for indicating clogging

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Subclass:: SEPARATION

5 direct subcodes

Child Classifications

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B01D 35/143 Filter condition indicators
B01D 35/147 Bypass or safety valves
B01D 35/15 Bidirectional working filters
B01D 35/153 Anti-leakage or anti-return valves
B01D 35/157 Flow control valves; Damping or calibrated passages