Patent ID: 9541202
Date: 2017-01-10
CPC Classifications: F16K,F16N

Claim:
1. A lubrication system for a gate valve having a moveable gate and a gate sealing element located between first and second housing sections, wherein the gate is moved by energizing an actuator, the lubrication system comprising: a cartridge having a lubricant for lubricating the gate sealing element; a plunger element for moving the lubricant from the cartridge to the gate sealing element; a lubricant passageway located between the plunger element and the gate sealing element for supplying the lubricant moved by the plunger element to the gate sealing element, a plunger contact member attached to the gate by an attachment element; and a clevis attached to the gate, wherein the plunger contact member is attached to the clevis, wherein the plunger contact member engages the plunger element, and wherein movement of the gate causes movement of the plunger element to cause the lubricant to move from the cartridge to the gate sealing element.