DESCRIPTION
NAFFCO Pre-piped Bladder Tank is a complete self-contained proportioning system consisting of a bladder tank, ratio controller, and assembled piping. It is designed to inject foam concentrate into the water supply of a fire protection system and automatically proportions over a wide range of flow and pressures without the use of external power supply.
SPECIFICATION
| Tank Shell | Carbon Steel, SA 516 Gr.70. |
|---|---|
| Bladder | Vinyl Based Polymer |
| Pressure Relief Valve (Optional) | Brass Construction with Set Pressure @ 15 bar |
| Internal Piping | Perforated PVC, sch. 80. |
| Flanges | ASTM A105, Class 150 |
| Water Pipe | Carbon Steel. sch. 40. |
| Foam Pipes | Stainless Steel. sch. 40. |
| Vent/Drain/NRV Valves | Brass/Bronze |
| Sight Glass Valve | Sight Gauge with Shut Off & Drain Valve |
| Painting External | Zinc Rich Primer with Red Enamel Finish |
| Painting Internal | Zinc Rich Primer with Coal Tar Epoxy Paint |
FEATURES
- Require less space than foam pump skid
- Designed for maximum agent discharge
- Permanently welded lifting lugs for easy tank movement and positioning
- Tanks are Externally Red enamel coated and
- Internally Coal tar Epoxy coated.
