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Flange Maintenance Tools

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Flange maintenance tools cover the hydraulic and mechanical equipment used to spread, align, isolate, and test bolted flange joints on piping and pressure systems. The category routes by job type: flange spreading and alignment for opening and reseating joints, and combination isolation-and-test tooling for sealing a line and proving the seal under pressure. Start with the tool group that matches your task.

Shop by Flange Maintenance Tools Category:

Enerpac MITT-Series, Combination Isolation and Test Tool

Item SKU: MITT16B

Enerpac MITT16B, Combination Isolation and Test Tool, 16 in. Nominal Pipe Diameter, Applicable Pipe Schedule 80, 100

4.67 out of 5

9 Reviews

Price on request — fast quote
Item SKU: MITT24D

Enerpac MITT24D, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 140

4.50 out of 5

6 Reviews

Price on request — fast quote
Item SKU: MITT075A

Enerpac MITT075A, Combination Isolation and Test Tool, 3/4 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40

Price on request — fast quote
Item SKU: MITT075B

Enerpac MITT075B, Combination Isolation and Test Tool, 3/4 in. Nominal Pipe Diameter, Applicable Pipe Schedule XS/80, 160

Price on request — fast quote
Item SKU: MITT125A

Enerpac MITT125A, Combination Isolation and Test Tool, 1.25 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40 XS/80

Price on request — fast quote
Item SKU: MITT12A

Enerpac MITT12A, Combination Isolation and Test Tool, 12 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, 30, STD, 40, XS

Price on request — fast quote
Item SKU: MITT12B

Enerpac MITT12B, Combination Isolation and Test Tool, 12 in. Nominal Pipe Diameter, Applicable Pipe Schedule 60, 80, 100, XXS/120

Price on request — fast quote
Item SKU: MITT12C

Enerpac MITT12C, Combination Isolation and Test Tool, 12 in. Nominal Pipe Diameter, Applicable Pipe Schedule 140, 160

Price on request — fast quote
Item SKU: MITT14A

Enerpac MITT14A, Combination Isolation and Test Tool, 14 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, STD/30, 40

Price on request — fast quote
Item SKU: MITT14B

Enerpac MITT14B, Combination Isolation and Test Tool, 14 in. Nominal Pipe Diameter, Applicable Pipe Schedule XS, 60, 80

Price on request — fast quote
Item SKU: MITT14C

Enerpac MITT14C, Combination Isolation and Test Tool, 14 in. Nominal Pipe Diameter, Applicable Pipe Schedule 100, 120, 140, 160

Price on request — fast quote
Item SKU: MITT150A

Enerpac MITT150A, Combination Isolation and Test Tool, 1.5 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, XS/80

Price on request — fast quote
Item SKU: MITT150B

Enerpac MITT150B, Combination Isolation and Test Tool, 1.5 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160

Price on request — fast quote
Item SKU: MITT16A

Enerpac MITT16A, Combination Isolation and Test Tool, 16 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, STD/30, XS/40, 60

Price on request — fast quote
Item SKU: MITT16C

Enerpac MITT16C, Combination Isolation and Test Tool, 16 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 140, 160

Price on request — fast quote
Item SKU: MITT18A

Enerpac MITT18A, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, STD, 30, XS, 40

Price on request — fast quote
Item SKU: MITT18B

Enerpac MITT18B, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 60, 80

Price on request — fast quote
Item SKU: MITT18C

Enerpac MITT18C, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 100, 120

Price on request — fast quote
Item SKU: MITT18D

Enerpac MITT18D, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 140, 160

4.75 out of 5

8 Reviews

Price on request — fast quote
Item SKU: MITT1A

Enerpac MITT1A, Combination Isolation and Test Tool, 1 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40

Price on request — fast quote
Item SKU: MITT1B

Enerpac MITT1B, Combination Isolation and Test Tool, 1 in. Nominal Pipe Diameter, Applicable Pipe Schedule XS/80, 160

Price on request — fast quote
Item SKU: MITT20A

Enerpac MITT20A, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD/20, XS/30

Price on request — fast quote
Item SKU: MITT20B

Enerpac MITT20B, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40, 60

Price on request — fast quote
Item SKU: MITT20C

Enerpac MITT20C, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 80, 100

Price on request — fast quote
Item SKU: MITT20D

Enerpac MITT20D, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 140

Price on request — fast quote
Item SKU: MITT20E

Enerpac MITT20E, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160

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Item SKU: MITT22A

Enerpac MITT22A, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule STD, XS

4.57 out of 5

7 Reviews

Price on request — fast quote
Item SKU: MITT22B

Enerpac MITT22B, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule 60, 80

Price on request — fast quote
Item SKU: MITT22C

Enerpac MITT22C, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule 100, 120

Price on request — fast quote
Item SKU: MITT22D

Enerpac MITT22D, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule 140, 160

Price on request — fast quote
Item SKU: MITT24A

Enerpac MITT24A, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD/20, XS, 30

Price on request — fast quote
Item SKU: MITT24B

Enerpac MITT24B, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40, 60

Price on request — fast quote
Item SKU: MITT24C

Enerpac MITT24C, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 80, 100

Price on request — fast quote
Item SKU: MITT26A

Enerpac MITT26A, Combination Isolation and Test Tool, 26 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS

Price on request — fast quote
Item SKU: MITT2B

Enerpac MITT2B, Combination Isolation and Test Tool, 2 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160, XXS

Price on request — fast quote
Item SKU: MITT30A

Enerpac MITT30A, Combination Isolation and Test Tool, 30 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS/20, 30

Price on request — fast quote
Item SKU: MITT30B

Enerpac MITT30B, Combination Isolation and Test Tool, 30 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40

Price on request — fast quote
Item SKU: MITT32A

Enerpac MITT32A, Combination Isolation and Test Tool, 32 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS/20, 30

Price on request — fast quote
Item SKU: MITT32B

Enerpac MITT32B, Combination Isolation and Test Tool, 32 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40

Price on request — fast quote
Item SKU: MITT34A

Enerpac MITT34A, Combination Isolation and Test Tool, 34 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS/20, 30

4.60 out of 5

5 Reviews

Price on request — fast quote
Item SKU: MITT34B

Enerpac MITT34B, Combination Isolation and Test Tool, 34 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40

Price on request — fast quote
Item SKU: MITT36A

Enerpac MITT36A, Combination Isolation and Test Tool, 36 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS

Price on request — fast quote
Item SKU: MITT38A

Enerpac MITT38A, Combination Isolation and Test Tool, 38 in. Nominal Pipe Diameter, Applicable Pipe Schedule STD, XS

Price on request — fast quote
Item SKU: MITT3A

Enerpac MITT3A, Combination Isolation and Test Tool, 3 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40, XS/80

Price on request — fast quote
Item SKU: MITT3B

Enerpac MITT3B, Combination Isolation and Test Tool, 3 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160, XXS

Price on request — fast quote
Item SKU: MITT40A

Enerpac MITT40A, Combination Isolation and Test Tool, 40 in. Nominal Pipe Diameter, Applicable Pipe Schedule STD, XS

Price on request — fast quote
Item SKU: MITT4A

Enerpac MITT4A, Combination Isolation and Test Tool, 4 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40, 60, XS/80

Price on request — fast quote
Item SKU: MITT4B

Enerpac MITT4B, Combination Isolation and Test Tool, 4 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 160

Price on request — fast quote

How to Choose a Flange Maintenance Tool

Flange maintenance tools are selected against the joint dimensions and the pressure the system holds, so match the tool to the work before the manufacturer. The sub-categories here differ mainly in what they do to the joint, and these specs separate them:

Capacity, torque, or tonnage – spreaders are rated in tons of separating force; bolting tools are rated in torque or tensioning load. Confirm the figure your joint requires before ordering.
Drive and size – square drive on torque tools, jaw or wedge size on spreaders, and the flange diameter or gap the tool fits into.
Pressure – isolation and test tools carry a maximum test pressure; verify it covers the line you intend to seal and prove.
Mount and reaction – how the tool seats on or between flanges and where it takes its reaction load, which governs safe operation and clearance.

Which Flange Tool Is Right for the Job?

Pick by the task in front of you. To open a stuck joint and hold the faces apart for gasket replacement, use a flange spreader. To break out and reseat the bolting to a defined load, use High Pressure Bolting Tools, which apply controlled torque or tension rather than separating force. To blank off a flange and prove the seal under pressure in a single setup, the Enerpac MITT-Series Combination Isolation and Test Tool isolates and tests without a separate test rig. If you are unsure which capacity or drive fits your flange, measure the flange diameter, bolt circle, and joint gap, then send those figures for confirmation.

Complete the System

Hydraulically driven flange tools run off a pump and connecting lines, so build the rest of the circuit from the same catalog. Pair a tool with Hydraulic Pumps sized to its operating pressure, route flow through Hydraulic Hoses rated above the working pressure, and connect them with Pneumatic Quick Couplers for fast tool changes. For powered actuation and rotation on related maintenance rigs, see Hydraulic Cylinders and Hydraulic Motors.

Cross-Referencing an Obsolete Flange Tool

Northern Hydraulics has carried flange and bolting tooling since 1963, and many older spreaders, isolation tools, and torque heads are no longer cataloged under their original numbers. If you have a discontinued tool or a worn component, send the part number, capacity rating, and flange or drive size and our team will identify an equivalent. To start a match, request a cross-reference.

Flange Maintenance Tools – Frequently Asked Questions

What are flange maintenance tools used for?

They are the tools used to open, align, isolate, and test bolted flange joints on piping and pressure systems. Common tasks include spreading flanges apart for gasket replacement, reseating bolting to a set load, and sealing and pressure-testing a flange opening.

How do I measure my flange to select the right tool?

Measure the flange outside diameter, the bolt circle diameter, the bolt hole size, and the gap between flange faces. Those four figures, plus the line pressure, let us confirm the tool capacity, drive, and fit you need.

What specs should I check before ordering?

Check capacity, torque, or tonnage for the force the tool applies; drive and size for fit; maximum pressure for any isolation or test tool; and the mount and reaction point that governs safe operation. Confirm each figure against your joint.

What is the difference between flange maintenance tools and high pressure bolting tools?

Flange maintenance tools cover the broader set of spreading, alignment, isolation, and test tasks on the joint. High Pressure Bolting Tools are the subset that applies controlled torque or tension to the bolting itself rather than separating or sealing the flange faces.

Can one tool isolate and pressure-test a flange?

Yes. The Enerpac MITT-Series Combination Isolation and Test Tool blanks off a flange opening and proves the seal under pressure in one setup, within its rated maximum test pressure.

What else do I need to run a hydraulic flange tool?

A hydraulically driven tool needs a pump sized to its operating pressure, hose rated above the working pressure, and couplers to connect them. See Hydraulic Pumps, Hydraulic Hoses, and Pneumatic Quick Couplers to complete the circuit.

Do these tools ship the same day?

In-stock flange maintenance tools ship the same day from Great Falls, MT. Lead times on items not held in stock vary by manufacturer, so confirm availability when you order.

Can you cross-reference an obsolete flange tool?

Yes. Send the original part number, capacity rating, and flange or drive size, and we will identify a current equivalent for a discontinued spreader, isolation tool, or torque head. Request a quote to start the match.

Flange Maintenance Tools

Shop by Flange Maintenance Tools Category:

Enerpac MITT-Series, Combination Isolation and Test Tool

Enerpac MITT16B, Combination Isolation and Test Tool, 16 in. Nominal Pipe Diameter, Applicable Pipe Schedule 80, 100

Enerpac MITT24D, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 140

Enerpac MITT075A, Combination Isolation and Test Tool, 3/4 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40

Enerpac MITT075B, Combination Isolation and Test Tool, 3/4 in. Nominal Pipe Diameter, Applicable Pipe Schedule XS/80, 160

Enerpac MITT125A, Combination Isolation and Test Tool, 1.25 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40 XS/80

Enerpac MITT12A, Combination Isolation and Test Tool, 12 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, 30, STD, 40, XS

Enerpac MITT12B, Combination Isolation and Test Tool, 12 in. Nominal Pipe Diameter, Applicable Pipe Schedule 60, 80, 100, XXS/120

Enerpac MITT12C, Combination Isolation and Test Tool, 12 in. Nominal Pipe Diameter, Applicable Pipe Schedule 140, 160

Enerpac MITT14A, Combination Isolation and Test Tool, 14 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, STD/30, 40

Enerpac MITT14B, Combination Isolation and Test Tool, 14 in. Nominal Pipe Diameter, Applicable Pipe Schedule XS, 60, 80

Enerpac MITT14C, Combination Isolation and Test Tool, 14 in. Nominal Pipe Diameter, Applicable Pipe Schedule 100, 120, 140, 160

Enerpac MITT150A, Combination Isolation and Test Tool, 1.5 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, XS/80

Enerpac MITT150B, Combination Isolation and Test Tool, 1.5 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160

Enerpac MITT16A, Combination Isolation and Test Tool, 16 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, STD/30, XS/40, 60

Enerpac MITT16C, Combination Isolation and Test Tool, 16 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 140, 160

Enerpac MITT18A, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, 20, STD, 30, XS, 40

Enerpac MITT18B, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 60, 80

Enerpac MITT18C, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 100, 120

Enerpac MITT18D, Combination Isolation and Test Tool, 18 in. Nominal Pipe Diameter, Applicable Pipe Schedule 140, 160

Enerpac MITT1A, Combination Isolation and Test Tool, 1 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40

Enerpac MITT1B, Combination Isolation and Test Tool, 1 in. Nominal Pipe Diameter, Applicable Pipe Schedule XS/80, 160

Enerpac MITT20A, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD/20, XS/30

Enerpac MITT20B, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40, 60

Enerpac MITT20C, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 80, 100

Enerpac MITT20D, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 140

Enerpac MITT20E, Combination Isolation and Test Tool, 20 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160

Enerpac MITT22A, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule STD, XS

Enerpac MITT22B, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule 60, 80

Enerpac MITT22C, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule 100, 120

Enerpac MITT22D, Combination Isolation and Test Tool, 22 in. Nominal Pipe Diameter, Applicable Pipe Schedule 140, 160

Enerpac MITT24A, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD/20, XS, 30

Enerpac MITT24B, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40, 60

Enerpac MITT24C, Combination Isolation and Test Tool, 24 in. Nominal Pipe Diameter, Applicable Pipe Schedule 80, 100

Enerpac MITT26A, Combination Isolation and Test Tool, 26 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS

Enerpac MITT2B, Combination Isolation and Test Tool, 2 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160, XXS

Enerpac MITT30A, Combination Isolation and Test Tool, 30 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS/20, 30

Enerpac MITT30B, Combination Isolation and Test Tool, 30 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40

Enerpac MITT32A, Combination Isolation and Test Tool, 32 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS/20, 30

Enerpac MITT32B, Combination Isolation and Test Tool, 32 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40

Enerpac MITT34A, Combination Isolation and Test Tool, 34 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS/20, 30

Enerpac MITT34B, Combination Isolation and Test Tool, 34 in. Nominal Pipe Diameter, Applicable Pipe Schedule 40

Enerpac MITT36A, Combination Isolation and Test Tool, 36 in. Nominal Pipe Diameter, Applicable Pipe Schedule 10, STD, XS

Enerpac MITT38A, Combination Isolation and Test Tool, 38 in. Nominal Pipe Diameter, Applicable Pipe Schedule STD, XS

Enerpac MITT3A, Combination Isolation and Test Tool, 3 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40, XS/80

Enerpac MITT3B, Combination Isolation and Test Tool, 3 in. Nominal Pipe Diameter, Applicable Pipe Schedule 160, XXS

Enerpac MITT40A, Combination Isolation and Test Tool, 40 in. Nominal Pipe Diameter, Applicable Pipe Schedule STD, XS

Enerpac MITT4A, Combination Isolation and Test Tool, 4 in. Nominal Pipe Diameter, Applicable Pipe Schedule 5, 10, STD/40, 60, XS/80

Enerpac MITT4B, Combination Isolation and Test Tool, 4 in. Nominal Pipe Diameter, Applicable Pipe Schedule 120, 160

How to Choose a Flange Maintenance Tool

Which Flange Tool Is Right for the Job?

Complete the System

Cross-Referencing an Obsolete Flange Tool

Flange Maintenance Tools – Frequently Asked Questions

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