Gufunga umutekano wa Valve, bizwi kandi nka LOTO valve ifunga, nimwe murwego rwo gufunga umutekano winganda.Ikigamijwe ni ukureba ko valve ishobora gufungwa rwose cyangwa gukingurwa mumutekano.Gufunga valve birashobora gukumira neza ibibazo byumutekano biterwa no gukoresha nabi abakozi bireba.Ikoreshwa ryumutekano wa valve, murwego runini kugirango uzamure umutekano wa valve, cyane cyane muruganda rwumushinga aha hantu, gukoresha LOTO ifunga birashobora gukora ibikorwa bisanzwe.