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Philmac StockPHIL®
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Philmac’s unique and compact StockPHIL float valve is designed specifically for livestock water troughs. The valve fits closely against the trough wall and has no extended lever arm, virtually eliminating the risk of damage caused by animals.
Two models are available: The plastic body and plunger are manufactured from engineering‑grade thermoplastic, providing a high level of wear resistance along with strong UV and corrosion protection.
The brass body model is manufactured from high‑quality dezincification‑resistant brass. This ensures it resists zinc loss, which can otherwise lead to leakage and premature failure.
The arm is positioned to operate directly over the body, ensuring a compact valve design and reducing the likelihood of animal damage.
The float is shaped to sit close to the trough wall, minimizing tampering by livestock. It also includes built‑in protective buffer strips to prevent wear if it rubs against the side of the trough.
StockPHIL PLASTIC TROUGH FLOAT VALVE (includes Float)
| Product Number | Connection Type |
|---|---|
| AQ400P NA | 3/4” |
| 358202 | 1” |
| 358203 | 1-1/4” |
| AQ900 NA | Float & Poly Tube Only |
StockPHIL BRASS TROUGH FLOAT VALVE (includes Float)
| Product Number | Connection Type |
|---|---|
| 358201 | 3/4” NPT |
| AQ200B NA | 1” |
| AQ300B NA | 1-1/4” |
Overview / Why Choose This Product
Philmac StockPHIL® is engineered for automatic water‑level control in livestock drinking tanks, helping ensure a reliable, consistent supply of fresh water. Designed for demanding agricultural conditions, the compact float valve sits close to the tank wall and eliminates long lever arms. Reducing the risk of livestock damage. StockPHIL® combines a durable body with corrosion‑resistant internal components for long‑term performance in tough environments.
Key Features
Automatic water level control – Maintains tank levels without manual checks.
Durable construction – Body and plunger made from engineering‑grade thermoplastic for high wear, UV, and corrosion resistance.
Corrosion‑resistant internals – Available in plastic or dezincification‑resistant (DZR) brass with stainless steel components for extended life.
Compact design – Valve operates close to tank wall to minimize livestock interference and damage.
Easy installation – Straightforward threaded connection for quick setup.
Applications & Benefits
Applications
- Livestock watering tanks
- Agricultural and rural water systems
- Trough and tank installations for cattle, horses, and other stock
Benefits
- Consistent water supply – ensures dependable tank refilling with no manual monitoring.
- Reliable operation – engineered for livestock environments and outdoor exposure.
- Long service life – UV‑resistant materials and corrosion‑proof components withstand harsh conditions.
Technical Specifications
- Size Range: ¾” – 1¼” (varies by plastic or brass model)
- Connection Type: Threaded inlet suitable for tank installations
- Pressure Rating: Suitable for both high‑ and low‑pressure supply (high flow at varying pressures)
- Materials:
- Engineering‑grade thermoplastic body and plunger
- Brass option in dezincification‑resistant brass
- Marine‑grade 316 stainless steel lever, pivot pin, and brass‑model valve seat
Note: Always verify size, pressure requirements, and installation details using the official Philmac North America technical resources.
Installation Guide
- Attach the StockPHIL® valve to the tank inlet using the threaded connection.
- Connect and adjust the float mechanism to achieve the desired fill level.
- Pressurize the system and confirm correct opening and shut‑off operation.
- Make final float and cord adjustments as needed for consistent performance.
For diagrams, troubleshooting, and advanced setup instructions, refer to the Philmac North America video & installation guide.
FAQs
What is StockPHIL® used for?
StockPHIL® is designed for automatic water level control in livestock troughs.
What sizes are available?
Common sizes include ¾”, 1″, and 1¼”, depending on plastic or brass model.
Do I need special tools for installation?
No. Installation uses standard plumbing tools and simple threaded connections.