The ornamental design for a water tap for waterpurifier, as shown and described.
1. Water tap for water purifier
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Top
1.6 : Bottom
1.7 : Reference view
1.8 : Reference view 2
The broken lines depict portions of water tap for water purifier that form no part of the claimed design; reproduction 1.1 is a front perspective view of the water tap for water purifier; reproduction 1.2 is a front view thereof; reproduction 1.3 is a back view thereof; reproduction 1.4 is a left view thereof where the right view is a mirror image; reproduction 1.5 is a top view thereof; reproduction 1.6 is a bottom view thereof; reproduction 1.7 is a reference view thereof showing an example of the usage of the subject design in which the claimed design installed at a sink; reproduction 1.8 is a reference view thereof showing the upper water outlet part is able to rotate 180 degrees and the touch type buttons have been operated at the top part; this design is for a water tap for water purifier made of synthetic resin and metal which is able to install at a sink as shown in reproduction 1.7; as shown in reproduction 1.8, the upper water outlet part is able to rotate 180 degrees and there are touch buttons on the top.