Kromschroder Motorized valve for gas VK100F10T5A93D 85311070

The Kromschroder VK100F10T5A93D (SKU 85311070) is a motorized gas valve with a nominal diameter of 100 mm, designed for automatic shut-off and opening of gas supply. It operates with slow opening and fast closing, and closes when power is absent for safety. The valve has a maximum inlet pressure of 1000 mbar, an IP54 ingress protection rating, and a housing made of aluminum-silicon. It connects via flanges according to ISO 7005 and is intended for industrial conditions.

Parts of this type are selected by brand and series, connection size (flanged or threaded), coil voltage, and function (e.g., slow opening, servo-regulated). Before ordering, verify the pipe connection type and dimensions, electrical supply, and compatibility with the burner control logic. The valve must match the existing flange standard and pressure requirements.

Common failures include coil burnout, leaking seats, drifting outlet pressure, or seized servo regulators. Symptoms may include burner lockout, gas flow irregularities, or failure to open or close properly. Check the coil continuity, seat sealing, and pressure regulation components.