Specification & Features  1.  Each piece is tested on 30 lbs compressed air pressure.  2. Screwed female ends to BSP.  3. All threading is done with standard dies/taps for high       quality finishing and universal convenience.  4. Sturdy hand wheel with easy grip for operation having       open-close indication.  5. Teflon Seat to Check the leakage.  6.  No leakage from bonnet nut in close/open positon.