Global Livestock Equipment Manufacturer & Supplier
SHEWUYOU · Livestock Equipment
Integrated Equipment Solutions for Pig, Cattle & Poultry Farms

Automatic Livestock Trough Float Valve

Product Name Automatic Livestock Trough Float Valve
Product Image Automatic Livestock Trough Float Valve
Product Overview The Automatic Livestock Trough Float Valve is a mechanical water-level control component designed for livestock drinking troughs, water bowls, stock tanks and farm water containers. As animals consume water, the valve automatically opens to replenish the trough and closes again when the preset water level is restored.

The system requires no electrical control for standard operation, making it a practical solution for cattle farms, calf housing, goat-farming-equipment/" target="_blank" class="keylink">sheep and goat facilities, pasture watering systems and other livestock applications.

High-pressure and low-pressure configurations can be selected according to farm water supply conditions. Connection size, flow capacity, float configuration and installation arrangement can also be supplied according to project requirements.
Key Features
  • Automatically maintains the required drinking-water level.
  • Mechanical float operation requires no electrical power.
  • Suitable for livestock troughs, drinking bowls, tanks and water containers.
  • High-pressure and low-pressure versions available for different farm water systems.
  • Adjustable float position supports practical water-level setting.
  • Compact structure allows installation inside protected trough compartments.
  • Simple construction supports convenient inspection and replacement.
  • Suitable for cattle, calves, sheep, goats and other compatible livestock.
  • Can be integrated into new livestock equipment and farm renovation projects.
  • Connection and valve configuration can be customized according to project requirements.
Structural Components A typical automatic livestock trough float valve consists of:
  • Water inlet valve body
  • Threaded water connection
  • Internal valve nozzle and sealing assembly
  • Mechanical operating lever
  • Float arm
  • Hollow float
  • Water-level adjustment connection
  • Mounting nut and sealing components
Materials and structural details vary according to valve type, water pressure and livestock trough design.
Working Principle The float moves together with the water surface inside the drinking trough. When livestock consume water and the level drops, the float moves downward and causes the valve inlet to open.

Fresh water then flows into the trough. As the water level rises, the float rises with it and gradually moves the valve toward the closed position. When the selected operating level is reached, the valve shuts off the incoming water.

This repeated mechanical cycle maintains a relatively constant water level while reducing manual filling and unnecessary overflow.
Technical Specifications
Product Type Automatic Livestock Trough Float Valve
Control Method Mechanical float-controlled water level
Primary Application Livestock drinking troughs, bowls, tanks and water containers
Animal Application Cattle, calves, sheep, goats and other compatible livestock
Reference Water Connection G 1/2 in. for selected Kerbl high- and low-pressure configurations
Reference Low-Pressure Flow 4 L/min at 0.5 bar for selected reference configuration
Reference High-Pressure Flow 6.5 L/min at 3 bar for selected reference configuration
Pressure Configuration High pressure or low pressure according to project requirements
Water Level Adjustable according to trough and float configuration
Power Requirement None for standard mechanical operation
Alternative Configuration Available upon request
Applications
  • Dairy cattle drinking troughs
  • Beef cattle and feedlot watering systems
  • Calf drinking bowls
  • Sheep and goat water troughs
  • Pasture and paddock water tanks
  • Livestock stock tanks
  • Commercial pig farm water systems where compatible trough designs are used
  • Livestock equipment replacement and renovation projects
  • Pig farm construction support facilities
  • Steel structure livestock building projects
Customization Options
  • Water connection size: Customizable
  • High- or low-pressure configuration: According to project requirements
  • Float size and shape: Available upon request
  • Float arm configuration: According to trough dimensions
  • Valve flow capacity: Selected according to livestock water demand
  • Mounting accessories: Available upon request
  • Replacement valve components: According to selected configuration
  • Complete watering system: Designed according to local climate and farm conditions
Installation & Maintenance The float valve should be installed at a suitable position inside the livestock trough or protected valve compartment. The inlet connection should be securely attached to the farm water supply, and the float must have sufficient free movement throughout its operating range.

Before commissioning, adjust the float position to establish the required water level. Check that the valve opens freely when the level drops and closes completely when the preset level is restored.

Water pressure should be matched to the selected valve configuration. A low-pressure valve should be used where the system is supplied from an appropriate low-pressure source, while a high-pressure version should be selected for compatible pressurized farm water lines.

Routine maintenance should include checking the float arm, valve seal, nozzle, threaded connection and water inlet for contamination or wear. Sediment and mineral deposits should be removed periodically to maintain reliable valve operation.
Project Cases Automatic float valves can be incorporated into livestock drinking projects ranging from individual drinking bowls to large pasture troughs and centralized farm water systems.

For commercial farms, valve flow capacity should be selected according to animal species, group size, trough capacity, available supply pressure and peak water demand. Multiple troughs can be connected to the farm water distribution network where required.

For new livestock farm construction and steel structure building projects, valve selection can be coordinated with water pipelines, drinking troughs, filters, pressure regulators and other livestock equipment according to the complete farm layout.
Product FAQ Q: What does an automatic trough float valve do?
A: It automatically opens the water inlet when the trough level falls and closes the inlet after the required water level is restored.

Q: Does the valve require electricity?
A: No. Standard float valves operate mechanically through the movement of the float and lever.

Q: Are high-pressure and low-pressure models available?
A: Yes. Different configurations can be selected according to the pressure of the farm water supply.

Q: Can the water level be adjusted?
A: Yes. The operating level can be adjusted through the float or float-arm position depending on the selected valve structure.

Q: Can it be used for cattle, sheep and goats?
A: Yes. Float-controlled trough watering is commonly used for cattle, calves, sheep, goats and other compatible livestock.

Q: Can the valve be supplied for an existing livestock trough?
A: Yes. The connection size, available installation space, water pressure and required flow should be confirmed before selecting a replacement valve.
Product Gallery Livestock Trough Brass Float Valve

High Flow Livestock Water Trough Float Valve

Automatic Livestock Water Level Float Valve

Comments & Inquiries

Leave your questions or requirements below. We will reply as soon as possible.