Patent ID: 7681596

Claim:
A fluid isolation valve comprising: a valve body, said valve body having a first fluid flow port, a second fluid flow port and a fluid drain port, wherein said valve body defines a fluid flow channel, a drain flow channel and a valve portion, said valve portion being disposed to be communicated with said first fluid flow port, said second fluid flow port and said fluid drain port; a flow diversion device disposed within said valve portion, said flow diversion device configurable between a first configuration and a second configuration, when said flow diversion device is in said first configuration said first fluid flow port is communicated with said second fluid flow port and when said flow diversion device is in said second configuration said first fluid flow port is communicated with said fluid drain port; and a drain valve section separate from and adjacent to said valve portion, said drain valve section communicating with said fluid drain port in a controllable manner and said drain valve section having a drain port valve.