DESCRIPTION
NAFFCO landing valves are suitable for installation on wet risers in a building for fire fighting purposes with permanently charged water from a pressurised supply.
The landing valves are oblique type with flanged inlet and are manufactured to comply to BS 5041 Part 1 standard with delivery hose connection and blank cap complying with BS 336:2010 standard.
The landing valves are classified under low pressure and are suitable for use at nominal inlet pressure up to 15 bar.
SPECIFICATION
| Model No. | NDR 098 |
|---|---|
| Valve Type | Oblique, Flanged Inlet |
| Pressure Rating | Low Pressure Valve |
| Nominal Size | DN50 |
| Working Pressure | 15 Bar Maximum |
| Test Pressure | Valve Seat Test at 16.5 Bar • Body Test at 22.5 Bar |
| Flange Drilling | BS 4504 Part 2:1974 Table:16/21 |
| Water Flow Rate | 8.5 L/S @ 4 Bar Outlet Pressure |
FEATURES
- BSI Kitemark and LPCB certified
- Body material made of copper alloy to EN 1982
- Hand wheel material made of grey cast iron to BS EN 1561
- Blank cap material made of copper alloy to EN 1982
- Possible to replace the gland seal when under pressure with the valve fully closed
- Disc facing rubber is of replaceable type
- Valves are provided with a strap and pad lock so that the hand wheel can be secured to counter unauthorized use
- The hand wheel is BLACK painted and body to RED