How to Disassemble a Gate Valve

Written by danyel bierly
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A gate valve is the most common shut-off valve used to regulate flow control. This type of valve controls the flow levels of gas, liquids and steam. Disassembly is necessary when you are either replacing a gate valve or repairing it.

Skill level:

Things you need

  • Screwdriver

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  1. 1

    Locate and turn off the main water supply before disassembling the gate valve.

  2. 2

    Take the screwdriver and remove the nut and the hand wheel from the top of the gate valve.

  3. 3

    Unscrew the packing nut from the stem and remove the gland spring along with the packing gland from the top portion of the bonnet.

  4. 4

    Remove all the nuts, lock washers and cap screws that are visible on the valve body and bonnet.

  5. 5

    Take the bonnet, the gasket and the disc riser off of the stem. Unbolt the stem from the bonnet to complete the process.

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