Valvola gas Resideo VDE20B4.0MCS 2WVS EXT DN20 PN16 KVS4.0 MOD CS

Resideo gas valve model VDE20B4.0MCS, designated 2WVS EXT. It is a two-way valve with DN20 nominal diameter, PN16 pressure rating, and flow coefficient KVS 4.0. The MCS suffix indicates a modular version with additional options.