شیر مخزن YD 

        _____         _     
       |  ___|       | |    
 _   _ |___ \   ___  | |__  
| | | |    \ \ / _ \ | '_ \ 
| |_| |/\__/ /| (_) || |_) |
 \__, |\____/  \___/ |_.__/ 
  __/ |                     
 |___/