| Model Number |
PS8/20-40W-AH |
| Flow Rate |
1200-1800-2400 LPM Selectable Nozzle |
| Working Pressure |
8 Bar |
| Max. Reach @ 8 bar |
65 meters @ 2400 LPM |
| Max Range Of Monitor |
-60° to +90° Vertically, 360° Rotation |
| Waterway Size |
3"(80mm) |
| Monitor Outlet |
2.5" (65mm) NH male thread |
| Monitor Inlet |
Flange 3" BS4504 is standard ( other sizes & standards are available ) |
| Material |
Monitor - SS304 stainless steel
Nozzle & Hand wheel - Aluminium alloy |
1. Selectable Flow Rate Operation
Q: How do I switch between 1200/1800/2400 LPM flow rates on this monitor?A: Use the manual flow selector (on the nozzle/monitor body) to toggle between the three preset rates. No tools are needed-just turn the selector to your desired flow to match the fire size (e.g., 1200 LPM for small blazes, 2400 LPM for large fires).
2. Geared Handwheel Functions
Q: What do the two geared handwheels control?A: The dual handwheels handle separate tasks: one adjusts the 360° horizontal rotation and -60° to +90° vertical angle (for aiming the monitor), while the other toggles between straight stream and fog jet patterns. The geared design keeps operation smooth, even at high flow rates.
3. Straight Stream vs. Fog Pattern Use Cases
Q: When should I use the straight stream vs. the fog pattern?A: Use straight stream for long-distance, targeted suppression (e.g., large, concentrated fires like tank blazes). Use the fog pattern for wide-area cooling (to stop fire spread to equipment/structures) or suppressing small, scattered fires.
4. 304 Stainless Steel Construction Benefit
Q: Why is 304 stainless steel used for the monitor body, and where is this helpful?A: 304 SS offers strong corrosion resistance, making the monitor ideal for harsh environments (e.g., coastal areas with salt spray, chemical facilities with vapors). It lasts longer than non-SS materials in these aggressive settings.
5. -60° to +90° Vertical Range Coverage
Q: What areas can the -60° to +90° vertical range target?A: This range lets you aim downward (to -60° for ground-level fires or low tanks) and upward (to +90° for elevated equipment, tall tank tops, or upper-structure blazes). It's versatile for ground, wall, or platform mounts.
6. Flange Standard Matching to Existing Pipes
Q: How do I choose the right flange standard (BS4504/ANSI150/GB) for my site?A: Select the flange standard that matches your existing pipe system (e.g., pick ANSI150 if your pipes use ANSI flanges). This ensures a tight, leak-proof connection without needing extra adapters.
7. Max Reach at 2400 LPM Explanation
Q: Why is the max reach 65 meters (at 8 Bar) only at 2400 LPM?A: Higher flow rates (like 2400 LPM) create more water momentum, which extends the jet's distance. Lower flow rates (1200/1800 LPM) have less momentum, so their reach is shorter-2400 LPM is best for covering distant hazards.
8. Flow Rate Selection for Fire Size
Q: When should I use 1200, 1800, or 2400 LPM flow rates?A:
- 1200 LPM: Small, localized fires (e.g., small storage pile blazes)
- 1800 LPM: Medium-sized fires (e.g., warehouse section blazes)
- 2400 LPM: Large, widespread fires (e.g., industrial yard or tank fires)
9. Geared Handwheel Operation Effort
Q: Is it difficult to turn the handwheels when using the 2400 LPM high-flow setting?A: No-the geared design reduces operation effort, so even the 2400 LPM setting's handwheels turn smoothly. Most users can adjust them easily, even during emergency responses.
10. Routine Maintenance Steps
Q: What regular checks does this manual monitor require?A: Every 3-6 months:
- Lubricate the geared handwheel components (use a light, non-corrosive lubricant)
- Inspect the inlet flange gasket for wear (replace if cracked to prevent leaks)
- Clear debris from the nozzle to ensure unobstructed water/fog flow.
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