With a choice of over 5 different O-Ring materials
With a wide range of metals for body materials
O-Ring unions reseal themselves over and over
Flat-faced design so that components can be easily slipped out of the system without springing the line, and the O-Ring is out of the flow stream where it is protected
Zero leakage - double O-Ring
Threaded, socketweld & buttweld ends
Specify prefix letter "0" (Example 0-3131-5-V-316)
