The flip-over valves are designed to release grain, its products and other bulk materials from grain tanks and hoppers.
Flap valves are manufactured according to 3 categories of GOST 15150 in climatic version "U".
Example of record "/KDR-5 TU 5141-006-180892424-2011 flip-over valve" where:
D-bilateral
5-size of through section
KDR flip-over valves have manual drive
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