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5100 Series Low Spill Connect Under Pressure Dust Plug, -10, -12 Coupling Size(s)

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Description & Features

The Eaton Aeroquip Dust Plug with Chain ensures minimal fluid loss during disconnection with its advanced tubular valve construction. This feature significantly reduces environmental and worker safety risks.

The product allows low air inclusion during connection maintaining peak system performance. It is designed to connect against pressure providing the capability to join halves even when pressurized up to 500 psi.

Available in wing or hex nut configurations this dust plug offers versatile connection options. The product features a steel flange enabling accessible bulkhead mounting. The standard seal material includes Buna-N Vitonreg; and EPR while the body material comprises brass with steel valving components hex and wing nuts.

Supplier Part Number: 5100-S9-12

Specifications

Coupling Size
-10, -12
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Size 1
0.75
End Type 1
UN
Supplier Part Number
5100-S9-12
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1BS69, Alternate Part Number FMC519-7159, Alternate Part Number MI-00298014, Alternate Part Number MINO-00015X07074, Alternate Part Number MINO-00402F46498
Product Weight
0.37 lbs

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Product Questions & Answers (2)

Question by: Eddie S on Jan 22, 2026, 5:34 PM
connecting this thing while the system's still pressurized -- is that actually doable or do you have to bleed it down first?
Answer by: Customer Support on Jan 24, 2026, 12:57 PM
You can connect it under pressure, up to 500 psi. That's one of the main reasons folks reach for this series when they don't want to shut a system down just to swap a line. The tubular valve construction is what makes that possible while keeping fluid loss to a bare minimum during disconnection.
Question by: Brenda B on Jan 1, 2026, 3:03 PM
So, this here dust plug will actually let me connect stuff even when it's still got pressure in it? Up to 500 psi, right?
Answer by: Customer Support on Jan 2, 2026, 6:46 PM
That's correct. The connect-under-pressure capability allows joining the halves even when pressurized up to 500 psi. This makes connections easier when you can't fully relieve pressure in the system.