High temperature gate valve

A high temperature gate valve comprising:

• a valve body including:
• a valve body main portion having a flow path;
• and
• a bonnet portion;
• a valve element configured to open and close the flow path;
• and
• a guide member provided in the valve body, configured to guide the valve element in an opening/closing direction,
• wherein the valve element slides along the opening/closing direction guided by the guide member, the valve element at a closing position blocking the flow path by projecting into the valve body main portion, and at an open position retracting into the bonnet portion from the valve body main portion,
• and wherein the guide member is divided into a plurality of divided guiding elements along the opening/closing direction, each of the divided guiding elements being welded to an inside of the valve body.