Gasventil von 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.