Butterfly valves are known to be the most sanitary valve design which is why they are a favourite for home brewing hardware.  These 2 Inch Tri Clover butterfly valves are able to hold significant amounts of pressure, made with high quality EPDM seals and can easily be serviced if required.

Replacement gate gaskets are easy and quick to install can be source below:

2 Inch Tri Clover - Replacement Butterfly Valve Gate Gasket

Unlike ball valves that have several cavities in them meaning stuff gets stuck inside the valve, butterfly valves are far more sanitary with no "cavities" where dormant liquid can hide and go off.

Specifications:

• Material: 304 Grade Stainless Steel
• Port Size: 2inch
• Sealing Materia: EPDM
• Surface finish: 0.4micron or better.
• Working Pressure: 0-1.6MPa (232PSI)
• Working Temperature: -10C and up to 135C