About valves
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What do TR STLD S&D SOLID WG mean in the context of valves? More English explanations related to valves would be helpful
Materials for TR STLD S&D internals and seat
WG is the gate plate, how should SOLID be translated?
TRIM: STLED SEAT&DISC, SOLID WEDGE; Inner components: valve seat gate/Stellite sealing surface, rigid wedge-shaped gate. Generally, rigid gate valves are used for small diameters; it is very difficult to manufacture rigid gate valves for large diameters.