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Oblique Landing Valve (Flanged Inlet)
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.
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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.
Specifications
| Inlet Connection |
DN50 | DN65 | DN50 | DN65 | DN65 |
|---|---|---|---|---|---|
| NDR 098* | NDR 100 | NDR 110 | NDR 101 | NDR 102 | |
| Valve Type | Oblique, Flanged Inlet | Bibnose Flanged Inlet | Horizontal type, Flanged Inlet |
||
| Pressure Rating | Low Pressure Valve | ||||
| 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 | ||||
*Kitemark/LPCB approved
BILL OF MATERIAL
| Sl.No. | Description | Material |
|---|---|---|
| 1 | Handwheel | Grey Cast Iron to BS EN 1561 |
| 2 | Body | Copper Alloy to EN 1982 |
| 3 | Blank Cap | Copper Alloy to EN 1982 |
| 4 | Washer | Rubber to BS 1154 |
| 5 | Gland | Copper Alloy to EN 1982 |
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