Advantages: 

• valve in NC (Normally Closed) position as standard: guaranteed not to open the outlet accidentally, even in the event of a compressed air supply failure 
• parts common to several models in our valve range 
• non-retaining design (mounted flush with the bottom of the tank) for total emptying and to avoid non-homogeneous dead volumes (e.g. in agitated tanks) 
• visible stem provides permanent information on valve position 
• open stainless steel lantern allows any leaks to be seen 
• sanitary finish.