Nibal,
Are you telling me you don't have access to this size of master valve in real life??!! Just kidding ;)
It looks to be a scale issue of sorts. You can read more about how to correct these in the link below. You can also try deleting, typing PRG and placing again to see if that fixes things.
Blocks Coming In at the Wrong Scale & Issues with Block Scale
If you are still having issues after trying the link above, please send in all appropriate drawing files in a support ticket and we can help troubleshoot further.