Juriya na ruwa yana nufin iyawar wani abu ko wani abu don yin tsayayya da shiga ko shigar ruwa zuwa wani matsayi.Wani abu mai hana ruwa ko samfur yana ƙin shigar ruwa zuwa wani ƙayyadadden ƙayyadaddun ƙayyadaddun ruwa, yayin da wani abu mai hana ruwa ko samfur ba shi da cikakkiyar kariya ga kowane mataki na matsin ruwa ko nutsewa.Ana amfani da kayan hana ruwa a cikin kayan ruwan sama, kayan aiki na waje, kayan lantarki da sauran aikace-aikace inda ruwa zai yiwu amma ba safai ba.
Yawancin juriya na ruwa ana auna su ta mita, matsa lamba na yanayi (ATM), ko ƙafafu.
1. Ruwan juriya (mita 30/3 ATM/100 ƙafa): Wannan matakin juriya na ruwa yana nufin cewa samfurin zai iya jure fantsama ko taƙaitaccen nutsewa cikin ruwa.Ya dace da ayyukan yau da kullun kamar wanke hannu, shawa, da gumi.
2. Resistance Ruwa Mita 50/5 ATM/165 Feet: Wannan matakin juriya na iya ɗaukar bayyanar ruwa lokacin yin iyo a cikin ruwa mara zurfi.
3. Mai hana ruwa 100m/10 ATM/330ft: Wannan matakin hana ruwa na kayayyakin da za su iya kula da iyo da kuma snorkeling.
4. Ruwa mai tsayayya da mita 200 / 20 ATM / 660 ƙafa: Wannan matakin juriya ya dace da samfurori waɗanda zasu iya ɗaukar zurfin ruwa mai zurfi, irin su ƙwararrun masu sana'a.Lura cewa juriyar ruwa ba ta dindindin ba ce kuma zai ragu na tsawon lokaci, musamman idan samfurin yana fuskantar matsanancin zafin jiki, matsa lamba ko sinadarai.Yana da mahimmanci a duba shawarwarin masana'anta don kulawa da kyau da kiyaye samfuran hana ruwa.
Lokacin aikawa: Juni-07-2023