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Art. FDA-000005 – 1/2″ Nipple Drinker for Anti-Waste Feed/Drink Troughs

1/2″ threaded fitting for swine feed and drink feeders, with brass body and stainless steel knob. Automatic activation when pig’s head passes for controlled feed moistening. Recommended flow rate 0.6–1 L/min. All stainless steel version also available.

👉 (CLICK HERE) for complete installation table

👉 (CLICK HERE) for the flow rate table

👉 (CLICK HERE) for technical drawing

1/2" Automatic Nipple Drinker for Anti-Waste Feed/Drink Troughs – Model FDA-000005

Product description

Nipple drinker for anti-waste troughs FDA-000005 with 1/2" threaded fitting for "feed and drink" feeders for swine, designed for combined feeding systems in livestock operations.

The brass body and thread ensure high corrosion resistance, long-term reliability, and proper hydraulic seal.
The 25 mm hex allows stable and secure installation on the feeder.

The Ø 24 mm activation knob, made of stainless steel, is specifically designed to be activated by the pig during natural head movement in the feeder. The knob movement triggers a light and controlled water flow, which moistens the feed improving palatability and encouraging feed intake.


Technical specifications

  • Brass thread
  • Stainless steel button
  • 1/2" water connection
  • Total length: 49.0 mm
  • Knob Ø 24 mm
  • Weight: 161 g
  • 25 mm hexagon
  • Internal stainless steel mesh filter with retaining ring or adjustable plastic filter (see model FDA-000005TP)
  • Alternative version: All stainless steel – FDA-000015E

Installation heights and angle

👉 (CLICK HERE) for the complete installation table

The heights indicated are general guidelines.
We recommend using three installation heights or height adjusters, to adapt the position of the drinker or feeder to the animal's growth stage.

The FDA-000005 drinker can be installed at an angle between 15° and 45°:

  • 15° → use the lower height
  • 45° → use the higher height

This adjustment ensures correct animal posture and reduces water waste.


Recommended water pressure

The maximum water pressure must not exceed 4 bar (55 psi) to ensure correct system operation.

For piglets and weaned piglets, the pressure should not exceed 2 bar (28 psi).

Lower pressures promote:

  • water savings
  • longer life for seals and spring
  • flow regularity
  • ease of use
  • waste reduction

👉 The use of a pressure reducer is recommended if the water line has high or unstable values.


Water flow rate

👉 (CLICK HERE) for the flow rate table

Actual flow rate varies based on available pressure along the barn.
For optimal system performance, a water flow rate between 0.6 and 1 liter/minute is recommended, to achieve proper feed moistening while reducing water waste and keeping the feeding area cleaner.

Optional valves with the following diameters are available to increase flow rate:

  • Ø 3 mm
  • Ø 3.5 mm
  • Ø 4 mm

The use of pressure reducers allows for centralized system management, particularly useful in summer months when it may be necessary to increase the flow rate.