DJI Agras T30 OEM Orchard Branch Spray Pressure Retaining Valve

The DJI Agras T30 OEM Orchard Branch Spray Pressure Retaining Valve is the black cross-shaped valve body fitted in the orchard, or branch, spray layout of the DJI Agras T30. As shown in the product images, it has four ports: a tall, smooth, round inlet standing up from the top, a collar beneath that inlet held by two screws, two threaded side outlets that end in hose barbs, and a third threaded outlet running down from the bottom that also ends in a hose barb. Seen face on, the three outlets and the inlet make a cross. It belongs to the spraying system, it is identified for the DJI Agras T30, and it is supplied brand new as one valve. As the name says, it is a pressure retaining valve: its job is to hold pressure in the branch lines it feeds rather than let them drain. Operators usually reach it while searching for a T30 orchard spray valve, a T30 branch spray valve, a T30 pressure retaining valve, a T30 orchard kit valve or a cracked T30 spray valve barb. 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 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• Identified for the DJI Agras T30, pressure retaining valve position in the orchard (branch) spray layout
• Matched by the cross-shaped body, the smooth top inlet, the two-screw collar and the three threaded barbed outlets against the valve you removed
• Genuine DJI OEM spraying-system component, brand new, supplied as one valve body

The variant is one valve. It is not a nozzle, not a solenoid vent valve, not a hose and not the pump head. If you want the match confirmed, photograph the valve you removed face on, so the inlet and all three outlets show, and send it to us. We will match it for you, so the right part arrives first time.

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📦 Package Includes

• 1 × DJI Agras T30 OEM Orchard Branch Spray Pressure Retaining Valve, black, cross-shaped, with a smooth top inlet, a two-screw collar and three threaded barbed outlets, as shown in the product images

One valve per order line. The variant is a single valve body.

What is part of the valve: the body, the smooth top inlet, the collar with its two screws, the two threaded barbed side outlets and the threaded barbed bottom outlet, all as one assembly.

Not included: hoses, hose clamps, threaded nuts or fittings that screw onto the outlets, nozzles, the spray lances or branch pipes, the pump, the tank and tools. Each of these is a separate part.

Nothing is included because it appears near the valve on the aircraft. If a nut, clamp or hose from the old orchard layout is missing or split, tell us where it sat and we will help you identify it.

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🔧 Component Overview

The DJI Agras T30 can be set up with an orchard, or branch, spray layout for tree and vine work, where the liquid is carried out to branch lines rather than only to the standard spray positions. The pressure retaining valve is the cross-shaped body in that layout that takes liquid in at the top and passes it out through three barbed outlets.

As shown in the product images, five features identify it:

• The smooth top inlet — a tall, plain round tube standing up from the body, with no thread and no barb
• The collar — a flat collar under the inlet, held by two screws
• The two side outlets — one each side, each with a threaded section and a hose barb at its tip
• The bottom outlet — a third outlet running straight down, also threaded and ending in a hose barb
• The colour and form — black throughout, the four ports arranged as a cross

The word valve covers several different parts on a T30. The T30 Spray Rod Solenoid Vent Valve Cable serves an electrically switched valve and carries wiring. The pressure retaining valve has no wiring and no plug. It is a mechanical body with one inlet and three outlets.

A part like this fails in a small number of ways. A barb snaps or cracks, usually from a hose being pulled sideways or the aircraft landing on the branch lines. A thread is damaged when a fitting is cross-threaded on. The body cracks from a knock. Or residue builds up inside so the valve no longer behaves as it did. A snapped barb is easy to see; a hairline crack at the root of a barb often is not.

The barbs are the weakest points. Each one is a short tip carrying a hose, and a hose that is pulled or snagged loads that tip at its root. A crack there can weep only under pressure, so it shows while spraying and disappears when the system is still.

The valve carries no wiring and has no app setting. Its job is to take liquid in at one port, pass it out at three, and hold pressure in the lines it feeds.

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⚙️ Functional Purpose

The valve's engineering role is distribution and pressure retention in the orchard layout. It joins one supply line to three branch lines and, as its name states, retains pressure in those lines.

In the orchard layout it:

• Takes liquid in through the smooth top inlet
• Passes it out through the two side outlets and the bottom outlet
• Holds each branch hose on a barb, with a threaded section behind it
• Retains pressure in the branch lines rather than letting them drain
• Can be replaced on its own once the hoses are released

What it does not do matters as much:

• It does not pump liquid; the water pump does that
• It does not atomise the spray; the nozzles at the ends of the lines do that
• It does not measure flow; the flow meter does that
• It is not switched electrically; it has no wiring and no plug

Pressure retention matters at the ends of the lines. A branch line that drains between passes has to refill before the nozzles at its end spray evenly again; a line held at pressure is ready at once. That is the behaviour the name describes.

The opening pressure, the flow rate and the internal design of the valve are not published for this part. The match is made by shape, port layout and barbs, not by a pressure figure.

Material, dimensions, weight and thread size are not published for this part.

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🔍 Diagnosis — a valve is matched by its ports, so count the inlet and outlets before blaming the name

On a T30 the word valve is used for more than one part, and an orchard layout has several fittings that look alike at a glance. The pressure retaining valve is the one with four ports arranged as a cross: a smooth inlet on top and three threaded barbed outlets. A fitting with two or three ports, a part with wiring, or a nozzle is something else.

The way to avoid a wrong order is to read the part by its ports. Count them. Look at the top: a plain round tube with no barb is this valve's inlet. Look at the collar for its two screws. Then look at the three outlets: each has a thread and a barb. If all of that matches, the fault is in this valve or its hoses.

Symptoms that point at the valve:

• A barb snapped off, or cracked at its root
• A weep at the root of a barb or at the collar that appears only while spraying
• A damaged or cross-threaded thread on one of the outlets
• A crack in the body after a knock or a hard landing
• Branch lines that drain between passes when they did not before, with hoses and clamps sound

What proves it: with the aircraft powered off, the battery removed and the spraying system drained and rinsed, take the valve off and look at it under good light. Follow each barb from tip to root. Check each thread. Look at the collar and its two screws. A hairline crack often shows as a line of residue left behind after the valve is wiped. Then fill the system with clean water and watch the valve while the pump runs: a weep that appears only under pressure is in the valve or at a joint.

Check these first, because they produce similar symptoms:

• The hoses on each barb, for a split end or a loose clamp
• The nuts or fittings on the threaded outlets, for a cross-thread or a cracked nut
• The nozzles at the ends of the branch lines, for a blocked tip or a worn seal
• The supply hose to the top inlet, for a split or a loose joint

What it does not explain: a pump that will not run, a flow reading that does not match the setting, a fault on the standard spray lances, or a warning about a solenoid valve. Those sit in the pump, the flow meter, the spray lances or the solenoid vent valve and its cable.

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⚠️ Common Replacement Indicators

Replace the valve when inspection confirms one of these:

• A snapped or cracked barb
• A crack anywhere in the body or at the collar
• A damaged thread on an outlet that will no longer take its fitting squarely
• A weep from the body itself, not from a hose or clamp, during a water test
• Branch lines that will not hold pressure with every hose, clamp and nozzle sound

Inspect these first, because they produce similar symptoms:

• The hose ends and clamps on each barb
• The fittings on the threaded outlets
• The nozzles at the ends of the branch lines

A barb with a crack at its root can still hold a hose when the system is still. It is not proved sound because it holds at rest; the test is a water run under pressure.

There is no published service interval for the valve. It is replaced when it is cracked, broken at a barb, damaged at a thread or no longer holds the lines, not on a schedule.

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📐 Specifications

Product name: DJI Agras T30 OEM Orchard Branch Spray Pressure Retaining Valve

DJI family: Agras

Aircraft: DJI Agras T30

Fitment basis: Identified for the DJI Agras T30

Aircraft system: Spraying — orchard (branch) spray layout

Component type: Pressure retaining valve

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

Quantity: 1 valve

Form: Cross-shaped body: smooth round inlet on top, two-screw collar, two threaded barbed side outlets, one threaded barbed bottom outlet

Ports: Four — one inlet, three outlets

Hose connections: Barbs on the three outlets

Opening pressure: Not published for this part

Flow rate: Not published for this part

Thread size: Not published for this part

Material: Not published for this part

Colour: Black

Dimensions: Not published for this part

Weight: Not published for this part

Electrical: None

Connector: None

Mounting position: In the T30 orchard (branch) spray layout, between the supply line and the branch lines

Installation method: Hoses pushed onto the barbs and secured; fittings on the threaded outlets

Hardware included: None — hoses, clamps, nuts and nozzles are not supplied

Service adjustability: None — the valve is correct or it is not, with no adjustment or app setting that compensates

Condition: Brand new

Classification: DJI OEM spraying-system component

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🛠️ Installation & Maintenance

Before installation

• Power the aircraft off and remove the battery
• Drain the tank and run clean water through the spraying system, then drain it again
• Photograph the valve in place face on, so the hose on each port is on record
• Label each hose with the port it came off: top, left, right or bottom
• Lay the new valve beside the old one and compare the inlet, the collar and all three outlets

During installation

• Wear gloves; treat any residue at the valve as the product that was last sprayed
• Release each hose clamp and ease each hose straight off its barb; do not lever it sideways
• Release any fitting on a threaded outlet by hand where it allows
• Check every hose end for splits and trim or replace a damaged end
• Fit the new valve the same way round as the old one, with the inlet on top
• Push each hose fully onto its barb and secure it; start any threaded fitting by hand so it runs on square

After installation

• Fill the tank with clean water and run the pump
• Watch each barb, each thread and the collar for weeps while the system is under pressure
• Check that the branch lines spray evenly at their nozzles
• Stop the pump and check that the branch lines hold rather than drain
• Record the replacement in the maintenance log

Maintenance between jobs. Rinse the orchard layout after every day of spraying so residue does not dry inside the valve or hide a crack at a barb. Route the branch hoses so they cannot be snagged or landed on; a hose pulled sideways loads its barb at the root, and that is where these valves break.

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🚜 Necessary For

This valve is for operators and technicians running the orchard (branch) spray layout on a T30 whose pressure retaining valve is cracked, broken at a barb or no longer holds the lines:

• DJI Agras T30 operators spraying orchards, vineyards and tree crops with the branch layout
• Commercial spray applicators who switch their T30 between the standard and orchard layouts
• Agras service centres rebuilding T30 orchard layouts after a hard landing
• Fleet managers stocking small spraying fittings for T30 aircraft
• Growers flying their own T30 in orchards who service the spray lines themselves

This is not the part you need if:

• The leak is at a hose end or a clamp, with the valve and its barbs sound — replace the hose or clamp
• A nozzle drips or sprays unevenly — check the nozzle and its seal; the T30 Sprinkler Nozzle Sealing Ring & Connector Nut Kit covers that seating hardware
• The fault is on an electrically switched valve or its wiring — that is the T30 Spray Rod Solenoid Vent Valve Cable or the valve it serves
• The leak is at a barbed connector on the pump — that is the T30 Water Pump Head
• You fly a T10, T16, T20, T40 or T50 — this valve is identified only for the T30

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💡 Why This Part Matters

On a T30 the word valve does not identify a part. A solenoid valve is switched electrically and carries wiring. A nozzle has a valve in its name on some aircraft and sprays at the end of a line. The orchard pressure retaining valve is neither: it is a mechanical body with one smooth inlet on top and three threaded barbed outlets, arranged as a cross.

The way through is to name the part by its ports, not by the word. Count four. Check that the top port is a plain tube with no barb. Check the two screws on the collar. Check that all three outlets carry a thread and a barb. If the part in your hand matches, this is it; if it has wiring, fewer ports or a spray tip, it is a different part.

That one look is the case for the valve. It is quick, it needs no tools and it settles which of several similarly named parts has failed, while that information is still cheap.

It is also the case for keeping a sound valve. If every barb is whole, every thread takes its fitting and the body holds in a water test, a fault in the orchard layout is in a hose, a clamp or a nozzle, and a new valve will not change it.

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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 Orchard Branch Spray Pressure Retaining Valve

Brand: DJI

DJI family: Agras

Aircraft: DJI Agras T30

Compatible models: DJI Agras T30

Fitment basis: Identified for the DJI Agras T30

Component: Pressure retaining valve, orchard (branch) spray layout

Aircraft system: Spraying

Installed position: Between the supply line and the branch lines of the T30 orchard layout

Primary function: Distributes liquid from one inlet to three outlets and retains pressure in the branch lines

Form: Black cross-shaped body; smooth top inlet, two-screw collar, three threaded barbed outlets

Electrical: None — no wiring, no plug

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

Quantity supplied: 1 valve

Not included: Hoses, clamps, nuts, nozzles, spray lances, pump, tank

Key diagnostic: Count the ports: one smooth inlet and three threaded barbed outlets identify this valve

Common failure modes: Snapped or cracked barb, crack at a barb root, damaged thread, cracked body

Opening pressure: Not published for this part

Service interval: None published

Condition: Brand new

Part classification: DJI OEM spraying-system component

Also searched as: T30 orchard spray valve; T30 branch spray valve; T30 pressure retaining valve; T30 orchard kit valve; Agras T30 four-way spray valve

Disambiguation: Not a solenoid vent valve, not a nozzle, not the T30 Water Pump Head, not a hose fitting

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 orchard branch spray pressure retaining valve? The black cross-shaped valve body fitted in the T30 orchard, or branch, spray layout. It has a smooth inlet on top, a collar held by two screws, two threaded barbed side outlets and a threaded barbed bottom outlet.

What does a pressure retaining valve do? As the name says, it holds pressure in the lines it feeds rather than letting them drain. Its opening pressure is not published for this part.

Which aircraft does it fit? It is identified for the DJI Agras T30. It is not identified for the T10, T16, T20, T40 or T50.

Is it the same as the solenoid vent valve? No. A solenoid valve is switched electrically and has wiring. This valve has no wiring and no plug; it is a mechanical body with four ports.

How do I know I have the right valve? Count the ports. One smooth round inlet on top with no barb, a collar with two screws, and three outlets that each carry a thread and a hose barb.

Do I need it for the standard spray setup? It is fitted in the orchard (branch) spray layout. If your T30 runs only the standard layout and that layout is the one with the fault, look at the standard spray parts instead.

One barb is cracked but the hose still holds. Can I leave it? A crack at a barb root often weeps only under pressure. Run the system with clean water and watch it; if it weeps, replace the valve.

Does it come with hoses or clamps? No. It is the valve alone. Reuse the hoses and clamps if they are sound, and replace any split hose end separately.

What thread size are the outlets? That is not published for this part. The valve is matched by its shape, its ports and its barbs against the one you removed.

My nozzles drip after the pump stops. Is it this valve? It can be, if the branch lines no longer hold. Check the nozzles, their seals and every hose and clamp first; if all are sound and the lines still drain, the valve is next.

Can I fit it myself? Yes, for most operators. Drain and rinse the system, label each hose, ease the hoses off their barbs, fit the new valve with the inlet on top and push each hose back fully onto its barb.

What usually breaks it? Hoses pulled or snagged sideways, landings on the branch lines, and fittings cross-threaded onto an outlet.

What is the DJI part number? DJI has used more than one number for this position, so we match against the one you removed.

Will it change my spray rate? Not by itself. The rate is set in the app and delivered by the pump; the valve distributes the liquid and holds pressure in the branch lines.

Is there a service interval? No. Replace it when it is cracked, broken at a barb, damaged at a thread or no longer holds the lines.

How do I find a hairline crack? Rinse and wipe the valve, then look under good light at the root of each barb and around the collar. A crack often shows as a thin line of residue left behind after wiping.