Rotatable cylindrical valve member 24b also includes a bore 32b formed {TAIL ~ crosswise cylindrical axis C}, which may be brought into {HEAD ~ communicative alignment} with both ends of valve body bore 32a, by a respective rotational positioning thereof 
Rotatable cylindrical valve member 24b also includes a bore 32b formed { TAIL ~ crosswise cylindrical axis C } , which may be brought into { HEAD ~ communicative alignment } with both ends of valve body bore 32a , by a respective rotational positioning thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH