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M&J Valve
M&J Valve

M&J Valve Gate Valve M-303A

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M&J Valve Gate Valve M-303A

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M&J Valve Gate Valve M-303A

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PDF MANUAL

Manual for M&J Valve Gate Valve M-303A

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Access the parts list for your equipment in MaintainX.

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M&J Valve Gate Valve M-303A

M&J Valve Gate Valve M-303A

Create an account to install this asset package.

Maintenance Plans for M&J Valve Gate Valve Model M-303A

Integrate maintenance plans directly into your work orders in MaintainX.

Gate Valve (Integral T-bar, with bolted stem packing retainer, and with cupola) Stem Replacement

Check mark

Preliminary Steps

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Ensure replacement stem is available

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Ensure replacement stem packing and O-rings are available

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Include valve serial number in correspondence with M&J Valve

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Safety Precautions

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Ensure valve is not exposed to line pressure during maintenance

Check mark

Isolation and Venting

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Isolate pressure source from the pipeline and valve

Check mark

Cycle the valve to the mid travel position

Run this procedureArrow right

Gate Valve (Screw on T-bar, with bolted stem packing retainer, and without cupola) Stem Replacement

Check mark

Preparation and Safety

Check mark

Ensure replacement stem is available

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Ensure stem packing and O-rings are available for replacement

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Verify valve serial number for correspondence with M&J Valve

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Ensure no line pressure is present before starting maintenance

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Isolation and Venting

Check mark

Isolate pressure source from the pipeline and valve

Check mark

Cycle the valve to the mid travel position

Check mark

Open body pressure relief valve to vent trapped body/line pressure

Run this procedureArrow right

Gate Valve (Integral T-bar, with bolted stem packing retainer, and without cupola) Stem Replacement

Check mark

Preparation and Safety

Check mark

Ensure replacement stem is available

Check mark

Ensure stem packing and O-rings are available

Check mark

Include valve serial number in correspondence with M&J Valve

Check mark

Isolate pressure source from the pipeline and valve

Check mark

Valve Positioning and Pressure Venting

Check mark

Cycle the valve to the mid travel position

Check mark

Open body pressure relief valve to vent trapped body/line pressure

Check mark

Cycle the valve to the full open position after venting is complete

Run this procedureArrow right

Gate Valve Handwheel Lubrication

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Preparation

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Cycle the gate to the full open position.

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Remove the stem protector, including cap and sealing device.

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Remove the indicator rod.

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If there is a downstop bolt on top of the valve stem, remove the indicator rod and downstop bolt.

Check mark

Inspection and Lubrication

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Inspect valve stem threads for damage and lubrication.

Check mark

Apply a coat of light oil or a lubricant such as WD-40 to the stem threads and top of operator drive nut.

Check mark

Handwheel Operator Removal

Run this procedureArrow right

Gate Valve (Integral T-bar, with or without slip-on stem packing retainer bushing, and without cupola) Stem Replacement

Check mark

Preliminary Steps

Check mark

Ensure replacement stem is available

Check mark

Ensure replacement stem packing and o-rings are available

Check mark

Include valve serial number in correspondence with M&J Valve

Check mark

Safety Precautions

Check mark

Ensure valve is not exposed to line pressure during maintenance

Check mark

Valve Isolation and Venting

Check mark

Isolate pressure source from pipeline and valve

Check mark

Cycle the valve to the mid travel position

Run this procedureArrow right

Parts for M&J Valve Gate Valve M-303A

Access the parts list for your equipment in MaintainX.

Part Name
Part Number

Pry Bar

154406

Lifting Rod, 2-12"

261610

Lifting Rod, 14-20"

60389

Lifting Rod, 22-30"

60391

Lifting Rod, 32-42"

60390

Pry Bar

154406

Lifting Rod, 2-12"

261610

Lifting Rod, 14-20"

60389

Lifting Rod, 22-30"

60391

Lifting Rod, 32-42"

60390

Pry Bar

154406

Lifting Rod, 2-12"

261610

Lifting Rod, 14-20"

60389

Lifting Rod, 22-30"

60391

Lifting Rod, 32-42"

60390

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Lower Maintenance Costs

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Thousands of companies manage their assets with MaintainX

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