SEAT

1. опорная поверхность; опора 2. гнездо 3. седло (клапана) 4. глубина установки (обсадной колонны) - ball seat - boom seat - casing seat - casing-shoe seat - cementing plug seat - closing cementing plug seat - cone seat of subsurface pump - conical seat - flat seat - floating gate valve seat - gate valve seat - key seat - landing seat - lower seat of plunger - opening cementing plug seat - packer seat - plug seat - poor casing seat - pump seat - pump working barrel valve seat - removable gate valve seat - rib seat - seat of fire - shoulder seat - spring seat - subsurface pump seat - upper seat of plunger - upstream gate valve seat - valve seat - wall packer bottom seat - working barrel seat - working barrel valve seat