Té PVC FF 25 mm — raccord T à trois sorties pour dérivation de réseau aquaponique

PVC FF T-fitting

Name: PVC FF T-fitting
Brand: Hardy Dewerse
SKU: HD-TE-25
Price: 2.0 USD
Availability: OutOfStock

$2.00

PVC FF T-fitting (Female-Female) with three outlets for branching a plumbing network in aquaponics, ponds or irrigation. Connects three pipes at one point for flow sharing, a return loop to the filter or a distribution line over several grow beds.

Diamètre : 25 mm

25 mm

32 mm

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Payment in instalments, free of charge

Description FAQ

Description

🔀 PVC FF T-fitting: three-way branch for your aquaponic plumbing

The Female-Female PVC T-fitting is the key connector whenever a plumbing network needs to split or merge: pump outlet to several grow beds, filter return to the fish tank, isolation valve branch, parallel feed to a bell siphon. Three socket ends to glue, symmetrical 90° configuration, simple assembly.

🔧 Typical aquaponic uses

The T-fitting is used to distribute one source in two directions (T in downstream distribution), to merge two returns into one (T in upstream collection), or to insert a test point or isolation valve on an existing loop.

In home aquaponics, it is often the fitting that splits the pump line: one part to the plant watering rail, one part to the brewing return in the fish tank.

📊 Technical specifications

Material : rigid grey pressure PVC
Configuration : FF with three female socket ends to glue (symmetrical 90°)
Available diameters : 25 mm and 32 mm
Service pressure : 16 bar at 20 °C
Standards : ISO 1452 / EN 1452
Use : aquaponics, koi pond, irrigation, hydroponics
Compatibility : fish, plants, biofilter

🤓 Practical guide and tips

Installation : plan the orientation of the three outlets before gluing. Once glued, the T cannot be turned anymore. Mark the correct directions with a pencil on the pipes before slotting.

Flow tip : a straight-through T keeps ~95 % of the flow; a T used at 90° is equivalent to an elbow (significant pressure drop). Adapt the diameter if the outlet feeds a flow-hungry piece of equipment.

FAQ

The choice depends on your pump flow rate and pond volume. Standard guidance:

Ø 16-20 mm : small indoor systems, filter return, distribution on a grow bed up to 200 L/h.

Ø 25 mm : standard family aquaponics, koi pond up to 2000 L, pumps 1000-3000 L/h.

Ø 32 mm : medium to large pond, aquaponic farm, pumps 3000-8000 L/h, large-volume filter returns.

Ø 40 mm and + : large volumes, professional installations, gravity-fed bell-siphon drainage.

PVC fittings are assembled by cold chemical bonding in 3 steps:

1. Stripping : apply PVC stripper to both surfaces (pipe and fitting) with a clean brush. This softens the PVC and cleans the surface.

2. Gluing : apply the special PVC glue (Tangit, Griffon) to both surfaces within one minute of stripping.

3. Assembly : slot the pipe into the fitting with a quarter-turn to spread the glue evenly, hold for 30 seconds. Wait 24 hours before pressurising.

PVC bonding is permanent: there is no going back without cutting the piece. Check the orientation of the fittings before it sets.

Yes, rigid pressure PVC (dark grey or blue) used in plumbing is completely inert for fish, plants and biofilter bacteria once the gluing phase is finished and the installation has been rinsed.

Points to watch :

• Rinse the installation thoroughly with clean water before introducing the fish, to remove any glue residue.
• Wait 24-48 hours after gluing before final water filling.
• Avoid domestic "waste" PVC (brown / light grey, non-pressure) which may contain additives not approved for aquaculture.

Aquarium / pool pressure PVC has been the reference material in aquaponics for 30 years.

These acronyms describe the type of fitting ends:

F (Female) : internal socket that receives the pipe or a male fitting. This is the most common configuration in aquaponics.

M (Male) : end that slots into a female fitting, same dimensions as the standard pipe.

FF = two female ends, takes two pipes by gluing. Standard for elbows, T-fittings and couplers in aquaponics.

MF / MM : mixed configurations for specific transitions between diameters or to threaded fittings (GAS thread).