| Subject | English | Spanish |
| chem., el. | butterfly check valve | válvula de retención de mariposa |
| mech.eng. | butterfly valve | válvula de mariposa |
| mech.eng., el. | butterfly valve | válvula mariposa |
| mech.eng. | butterfly valve | mariposa |
| tech. | butterfly valve plate | soporte de la válvula de mariposa |
| transp., construct. | butterfly valve with horizontal axis | compuerta de mariposa |
| mater.sc., construct. | butterfly valve with horizontal axis | compuerta giratoria con eje de rotación horizontal |
| transp., construct. | butterfly valve with vertical axis | compuerta giratoria con eje de rotación vertical |
| transp., mech.eng. | electric shut-off butterfly valve | válvula de acondicionamiento de aire |
| transp., mech.eng. | electric shutoff butterfly valve | válvula de acondicionamiento de aire |
| transp., mech.eng., construct. | free discharge butterfly valve | válvula mariposa de desagüe de fondo |
| transp., mech.eng., construct. | self-closing butterfly valve | válvula de mariposa de cierre automático |
| transp., construct. | tip plate butterfly valve | timón de cambio de vertederas |
