TEST & DRAIN - TECHNICAL
Professional Overview (Giacomini A61)
Definition: A Test & Drain valve is a multifunctional fire protection device designed to combine both testing and draining operations in wet sprinkler systems. It allows system performance verification and controlled water discharge through a single compact unit.
Application Areas
Fire sprinkler systems in commercial buildings
Warehouses and industrial facilities
Residential complexes with wet pipe systems
Areas requiring periodic testing and controlled drainage
Flow Pattern
Provides controlled discharge for system testing (orifice sized to match sprinkler K‑factor).
Allows full drainage of system piping when required.
Optional sight glass enables visual confirmation of water flow.
Advantages
Combines two functions (test + drain) in one valve, reducing installation complexity.
UL Listed & FM Approved for compliance with international fire protection standards.
Forged brass body ensures durability and corrosion resistance.
Compact design minimizes space usage and integrates easily with piping layouts.
Tamper‑resistant handle prevents unauthorized operation.
Appearance
Brass body with chrome‑plated ball and PTFE seat
Steel lever handle with clear position indicator
Optional polycarbonate sight glass for inspection
Typically installed inline with sprinkler piping, projecting slightly with a compact profile
📊 Technical Specifications
| Feature | Specification |
|---|---|
| Pressure rating | 300 PSI |
| Body material | Forged brass |
| Ball | Chrome‑plated brass |
| Seat | PTFE |
| Sizes | 1″, 1¼”, 1½”, 2″ |
| Connections | Female x Female, Groove x Groove |
| Sight glass | Polycarbonate (optional) |
| Certifications | UL Listed, FM Approved |
| Standards | NFPA‑13, NFPA‑13R, |