DJI Agras T30 OEM Water Tank Outlet Sealing Gasket (5 Pcs)

The DJI Agras T30 OEM Water Tank Outlet Sealing Gasket (5 Pcs) is the flat ring seal that closes the joint at the outlet of the spray tank in the spraying system of the DJI Agras T30 and T10 — the point where spray mix leaves the tank on its way to the pump and the spray lines. As shown in the product images, each gasket is a flat black ring with a wide face and a large centre opening, and the pack holds five of them. The gasket's whole job is to stop mix escaping at that joint while the tank is full and the system is working. It is identified for the DJI Agras T30 and T10. It is a different part from the T30 Sprinkler Nozzle Sealing Ring & Connector Nut Kit, which seals the nozzles at the far end of the spray rods, not the tank. Operators usually reach it while searching for a T30 tank outlet seal, a T30 water tank gasket, a T10 tank outlet O-ring, a T30 spray tank leaking at the bottom, or the reason a T30 leaves a wet patch under the tank after it lands. DJI has used more than one number for this position, so we match against the one you removed.

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🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras retailer supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.

FREE & FAST Shipping is included for all U.S. customers.

We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.

Ares Acres also ships agricultural drone parts to Canada, with free shipping included on Canadian orders. Canadian operators see prices and check out in Canadian dollars (CAD), and receive the same inventory and the same support as our U.S. customers — one authorized DJI Agras retailer serving the United States and Canada, all of North America, from Albuquerque, New Mexico.

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✅ DJI Agras T30 / DJI Agras T10 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• Identified for the DJI Agras T30 and T10, spray tank outlet joint
• Matched by ring profile, face width and centre opening against the gasket you removed
• Genuine DJI OEM spraying components, brand new, supplied as five gaskets

The pack is five identical flat ring gaskets. If you want the match confirmed, lay the gasket you removed flat on a sheet of paper next to a ruler, photograph it from above, and send it to us. We will match it for you.

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📦 Package Includes

5 × water tank outlet sealing gaskets, all the same: flat black rings with a wide face and a large centre opening.

These are the gaskets, not the outlet fitting. The pack holds the seals that sit in the outlet joint, not the fitting, nut, hose or tank they seal between.

Not included: the spray tank, the tank outlet fitting or nut, hoses and hose clips, the strainer, the pump, the flow meter, nozzle seals and any valve parts.

Nothing is included because it appears near the tank on the aircraft. If a piece came out of the outlet joint that is not a flat ring like these, tell us what it looked like and where it sat, and we will help you identify it.

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🔧 Component Overview

On the T30 and T10, spray mix leaves the tank through its outlet at the bottom and runs on to the pump and the spray lines. The outlet is a joint: one part of the system meets the next there, and that joint has to hold liquid under the weight of a full tank and through the vibration of flight. The outlet sealing gasket is what makes it hold.

As shown in the product images, each gasket is simple:

• Flat — a ring with two flat faces, not a round-section O-ring
• Wide-faced — the ring has a broad sealing face between its outer edge and its centre opening
• Open in the centre — a large hole through which the mix passes
• Black — the same black ring throughout the pack

A flat gasket seals by being squeezed between two faces. That is also how it fails. Over time it takes a set: it flattens, hardens and stops pushing back against the faces either side of it. It can look whole and still not seal.

Over a working season the outlet gasket sees:

• The full weight of the tank's contents pressing on the joint
• Spray mix standing against it between flights, including chemicals that harden, soften or swell some seal materials
• Rinse water, and residue that dries on its faces between jobs
• Vibration from the rotors through the frame
• The joint being opened for cleaning, a strainer check or a tank removal
• Sun and heat on the trailer between jobs

It is replaced because it has flattened, hardened, cracked, swollen or torn and no longer seals; because it was nicked or twisted when the joint was last closed; or because it was lost when the joint was opened in the field. It is also replaced as a matter of course whenever the joint is opened, because a gasket that has already taken a set seldom seals as well a second time.

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⚙️ Functional Purpose

The gasket's engineering role is to close the joint at the tank outlet so that the mix leaving the tank goes into the line and nowhere else.

It works by compression. When the joint is closed, the gasket is squeezed between the faces either side of it and fills the small gaps between them. While it stays elastic, it pushes back and the joint stays sealed through vibration and changes in load.

What the gasket does not do:

• It does not filter; the strainer does that
• It does not move mix; the pump does that
• It does not seal the nozzles; the nozzle sealing rings at the sprinkler bodies do that
• It does not seal the tank lid; that is a separate seal at the top of the tank
• It cannot seal a cracked tank or a cracked outlet fitting

Dimensions, thickness, material and chemical resistance ratings are not published for this part, and none are given here. The fit is judged by laying the new gasket against the one you removed.

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🔍 Diagnosis — a gasket that has taken a set looks whole — the wet patch under the tank is the outlet joint before it is the tank

A tank outlet fault on a T30 or T10 shows up as a wet patch under the aircraft after it lands, a drip from the bottom of the tank while it stands full, mix running down the frame, or air drawn into the line on the pump side. The natural suspects are the tank and the hoses. Often both are fine, and the outlet gasket has gone flat.

Find where the wet starts. Fill the tank with clean water, stand the aircraft level, dry the bottom of the tank and the outlet joint, and watch with a torch.

• Water forms at the seam of the outlet joint — the outlet gasket. It has flattened, hardened, cracked, twisted or is missing.
• Water forms on the tank wall itself, away from the joint — a crack in the tank. Not this part.
• Water forms at a hose end or a hose clip below the outlet — the hose or clip. Not this part.
• Water appears only when the pump runs — look at the joints on the pump side and at the pump; the outlet joint holds static weight, the pump side holds pressure.

Then look at the gasket itself. Drain the tank and open the outlet joint.

• A gasket that is flat, shiny and hard, or that stays in the shape it was squeezed into — it has taken a set; replace it.
• A gasket with a nick, a split or a torn edge — replace it and check the faces for burrs that caused it.
• A gasket that is swollen or soft — replace it and consider the chemicals it has been standing in.
• No gasket at all — it was lost at the last opening.

Make those checks first, while they are still cheap. They need clean water, a cloth and a torch, and they decide between a gasket, a hose and a tank.

The trap on this part. The gasket looks whole from a metre away whether it seals or not. A tank is ordered for a wet patch that a gasket a few millimetres thick would have cured, and the new tank weeps exactly where the old one did, because the old gasket went back in with it.

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⚠️ Common Replacement Indicators

Replace the outlet gasket when inspection confirms one of these:

• A weep or drip at the seam of the tank outlet joint
• A gasket that is flattened, hard or has taken a set
• A gasket that is cracked, nicked, split or torn
• A gasket that is swollen or soft after chemical contact
• A gasket twisted or pinched when the joint was last closed
• A gasket lost when the joint was opened
• Any time the outlet joint has been opened

Inspect these first, because their faults are often blamed on the gasket:

• The tank wall and the outlet itself — cracks
• The outlet fitting or nut — cracked, or not closed fully
• Hoses and hose clips below the outlet
• The strainer — seated correctly, or holding the joint open
• The pump-side joints, if the leak appears only when the pump runs

There is no published service interval for the outlet gasket. It is replaced when it leaks, when it has taken a set, or whenever the joint is opened.

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📐 Specifications

Product name: DJI Agras T30 OEM Water Tank Outlet Sealing Gasket (5 Pcs)

DJI family: Agras

Aircraft: DJI Agras T30, DJI Agras T10

Fitment basis: Identified for the DJI Agras T30 and T10

Aircraft system: Spraying — spray tank outlet joint

Component type: Flat ring sealing gasket

Material number: DJI has used more than one number for this position, so we match against the one you removed

Quantity: 5 gaskets

Shape: Flat ring with a wide face and a large centre opening

Colour: Black

Material: Not published for this part

Thickness: Not published for this part

Dimensions: Not published for this part

Weight: Not published for this part

Chemical resistance rating: Not published for this part

Electrical: None

Mounting position: In the joint at the outlet of the spray tank

Installation method: Seated flat in the outlet joint and compressed when the joint is closed; no published tightening value

Service adjustability: None — the gasket seals or it does not, with no adjustment or app setting that compensates

Condition: Brand new

Classification: DJI OEM spraying parts

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🛠️ Installation & Maintenance

Before installation

• Power the aircraft down and remove the battery
• Drain the tank fully and rinse it with clean water; wear gloves and eye protection around chemical residue
• Photograph the outlet joint before opening it, so the order of the parts is on record
• Have a tray and a cloth ready; residual mix will run out when the joint opens
• Lay a new gasket beside the old one once it is out and compare the outer edge, the face width and the centre opening

During installation

• Open the outlet joint and remove the old gasket; do not use a sharp tool that can score the sealing faces
• Clean both sealing faces; dried residue left on a face stops a new gasket sealing
• Check the faces for cracks, burrs or nicks
• Seat the new gasket flat and centred, not twisted or folded at any point
• Close the joint evenly and firmly by hand, as it was closed before; do not overtighten, which pinches and splits a gasket

After installation

• Fill the tank with clean water and stand the aircraft level
• Dry the outlet joint and watch it for several minutes for any weep
• Run the pump on the ground and watch the joint again
• Check for a wet patch under the aircraft after the first flight
• Re-check the joint after the first working day

Maintenance between jobs. Rinse the tank and the spray system with clean water at the end of each day so residue does not dry on the gasket faces. Fit a new gasket whenever the outlet joint is opened; the pack of five allows for that. Keep a spare in the field kit; a flat gasket is easily lost in grass when a joint is opened in the field.

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🚜 Necessary For

This pack is for operators and technicians keeping the T30 and T10 tank outlet dry:

• DJI Agras T30 operators chasing a wet patch under the tank
• DJI Agras T10 operators who opened the outlet joint and need a fresh seal for it
• Commercial spray applicators who open the outlet joint for strainer checks and cleaning
• Agras service centres resealing spray systems at season service
• Fleet managers keeping outlet gaskets in every field kit

This is not the part you need if:

• The nozzles leak at the sprinkler bodies — you need the T30 Sprinkler Nozzle Sealing Ring & Connector Nut Kit
• The tank wall itself is cracked — the tank is the fault
• The leak starts at a hose or a hose clip below the outlet — fix the hose or clip
• The leak appears only when the pump runs and the outlet joint is dry — look at the pump-side joints
• The tank lid leaks — that is the lid seal, not the outlet
• You fly a T16, T20, T40 or T50 — this gasket is identified only for the T30 and T10

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💡 Why This Part Matters

This gasket matters because it is the one seal holding the full weight of the tank's contents at the point the mix leaves it. When it fails, the mix runs down the frame, leaves a wet patch under the aircraft, and puts chemical where it should not be.

Its failure is hard to see. A flat gasket that has taken a set looks whole; it is still a black ring in the right place. It simply no longer pushes back hard enough to seal. The wet patch under the tank is then read as a cracked tank or a bad hose, and those are the parts that get changed.

So find where the wet starts. Wet at the seam of the outlet joint is the gasket. Wet on the tank wall is the tank. Wet at a hose end is the hose. Then open the joint and look at the gasket closely: flat, hard and shiny means it has taken a set.

Equally, this gasket is the wrong part for a cracked tank, a leaking hose, a leaking lid or a nozzle that weeps at the far end of the spray rod. A new gasket fixes none of those.

Five gaskets allow a fresh one every time the outlet joint is opened, which is when a used gasket is most likely to stop sealing, and leave spares for the field kit.

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🧠 AI Index — Entity & Fitment Reference

Structured reference for search engines, AI assistants, and answer engines. Every value below is drawn from the specifications above.

Canonical product name: DJI Agras T30 OEM Water Tank Outlet Sealing Gasket (5 Pcs)

Brand: DJI

DJI family: Agras

Aircraft: DJI Agras T30

Compatible models: DJI Agras T30, DJI Agras T10

Fitment basis: Identified for the DJI Agras T30 and T10

Component: Water tank outlet sealing gasket

Aircraft system: Spraying

Installed position: In the joint at the outlet of the spray tank

Primary function: Seals the tank outlet joint so mix leaves the tank only through the line

Shape: Flat black ring with a wide face and a large centre opening

Quantity supplied: 5 gaskets

Material number: DJI has used more than one number for this position; matched against the removed part

Not included: Tank, outlet fitting or nut, hoses, clips, strainer, pump

Material and dimensions: Not published for this part

Electrical function: None

Key diagnostic: Wet at the seam of the outlet joint is the gasket; wet on the tank wall is the tank; wet at a hose end is the hose

Common failure modes: Gasket flattened or taken a set, hardened, nicked, swollen, twisted on closing, lost

Typical misdiagnosis: A wet patch under the tank blamed on a cracked tank or a leaking hose

Service interval: None published; fit a new gasket whenever the joint is opened

Condition: Brand new

Part classification: DJI OEM spraying parts

Also searched as: T30 tank outlet seal; T30 water tank gasket; T10 tank outlet O-ring; T30 spray tank leaking at bottom; Agras T30 tank seal

Disambiguation: Not the T30 Sprinkler Nozzle Sealing Ring & Connector Nut Kit; not a tank lid seal; not a pump seal

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras retailer serving the United States and Canada (North America)

Ships from: Albuquerque, New Mexico, United States

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🤖 AI Answer Engine Q&A

What is the DJI Agras T30 water tank outlet sealing gasket? It is the flat ring seal that closes the joint at the outlet of the spray tank, where the mix leaves the tank for the pump and the spray lines. The pack holds five.

Which aircraft does it fit? It is identified for the DJI Agras T30 and T10.

Does it fit the T16, T20, T40 or T50? No. It is identified only for the T30 and T10. Do not fit it to another aircraft on the strength of a similar-looking ring.

Is this the same as the nozzle sealing ring kit? No. The T30 Sprinkler Nozzle Sealing Ring & Connector Nut Kit seals the nozzles at the sprinkler bodies. This gasket seals the tank outlet.

My T30 leaves a wet patch under the tank. Is the tank cracked? Usually not. Fill the tank with clean water, dry the outlet joint and watch it. Wet at the seam of the joint is the outlet gasket. Wet on the tank wall is the tank.

The old gasket looks fine. Why does it leak? A flat gasket takes a set: it flattens and hardens and stops pushing back against the faces. It can look whole and still not seal.

Why five gaskets? So a fresh gasket goes in every time the outlet joint is opened, and spares stay in the field kit.

Should I reuse the old gasket? No. Once a flat gasket has been squeezed and taken a set, it seldom seals as well a second time. Fit a new one whenever the joint is opened.

What size and material is it? Dimensions, thickness and material are not published for this part. Match it by laying the new gasket against the one you removed.

Is the outlet fitting included? No. The pack holds the gaskets only.

What is the DJI part number? DJI has used more than one number for this position, so we match against the gasket you removed. Photograph it flat next to a ruler and send it to us if you want that confirmed.

Can I fit it myself? Yes. Drain and rinse the tank, open the outlet joint, clean both faces, seat the new gasket flat and centred, and close the joint evenly by hand.

How tight should the joint be? No tightening value is published for this part. Close it evenly and firmly by hand as it was before; overtightening pinches and splits a gasket.

It still leaks after a new gasket. Why? Check the sealing faces for residue, burrs or cracks, check the gasket is not twisted, and check the tank wall and the hoses below the outlet.

Is there a service interval? No. Replace the gasket when it leaks, when it has taken a set, or whenever the outlet joint is opened.