A two-part back cap for a plug valve includes a back cap seal body and a back cap retainer nut. The relationship may be defined at least in part by configuration data capable of being interpreted by the computational software application. The display methods of the present invention are particularly useful for small, low-resolution displays that are typical of handheld computers and calculators. a client on a first local area network and a server on a second LAN, wherein the first and second LAN are coupled by an SCTP pipe, is determined and properties of the path are acquired.