About DOUBLE HEADED STAND POST
A double-headed hydrant valve is a vital fire suppression component featuring two independent outlets. It connects directly to the pressurized fire water network, allowing firefighters to simultaneously attach two hoses to a single water source for maximum water volume and versatility during emergencies.
Key Features & Technical Specifications
- Design: Oblique or right-angle body with a single main inlet and dual outlets.
- Outlets: Typically features 2 x 63mm female instantaneous outlets, permitting rapid hose coupling.
- Inlet: Standardized 100mm (4-inch) flanged inlet for connection to standposts or water mains.
- Material of Construction: Heavy-duty, corrosion-resistant Gunmetal or Stainless Steel (SS304/SS202) for high durability.
- Flow Rate: Delivers a minimum of 1800 liters per minute (LPM) at \(7 \text{ kgf/cm}2\).
- Pressure Rating: Typically hydrostatically tested to withstand body pressures up to \(21 \text{ kgf/cm}2\) and seat pressures of \(14 \text{ kgf/cm}2\).
- Operation: Controlled manually via robust Cast Iron handwheels (painted black), and the main body is typically coated in bright Fire Red (IS:5 Shade 536).
- Accessories: Fitted with PVC or rubber blank caps secured with chains to protect the female instantaneous outlets from debris and damage