MSV86522PB.

specification code    mechanical valve

series code  86:86series      98: 98series

position and  way  number     32:two-position  three-way      52:two-position  five-way

jiont pipe bore   1:G1/8"    2:G1/4   3:G3/8"    4:G1/2"

button type     bland:basic  type               R:roller type        TB:selective knob     LB:strengthened knob

            PB:  large round button    PP:plat round button  PPL:convex round button  EB: with lock button