Citation

Humpherys AS, Oest E, Young DA. Trans. ASAE/ASABE 1983; 26(1): 134-140.

Copyright

(Copyright © 1983, American Society of Agricultural and Biological Engineers)

DOI

unavailable

PMID

unavailable

Abstract

Torsion spring operators for standard low pressure butterfly type irrigation valves are described. Usually these devices present little risk of injury. However, there can be considerable risk of injury under certain common conditions.