Awọn eegun igun wa lopolopo fun fifi sori ẹrọ hyrropewer ni ile-iṣẹ ohun ọṣọ ati pe o jẹ pataki awọn ẹya ẹrọ pluming pataki.Anuda igun gbogbogbo le yan rogodo Valve mojuto tabi seramic exve mojuto.