"E" Type Pressure Regulating Valve
NAFFCO’s Pressure reducing oblique landing valves are suitable for
installation on wet risers in buildings for fire fighting purposes,
permanently charged with water from a pressurized supply.These landing
valves are pressure reducing type designed to provide a range of outlet
pressure (4 bar - 12 bar).The landing valves are classified under high
pressure and are suitable for use at nominal inlet pressure upto 20 bar
and for working temperature range from 0 °C to 38 °C.
SPECIFICATIONS:
| Model No |
NWR 120 Flanged Inlet (to BS 4504 part 2: 1974) |
| Model No |
NDR 121 Screw Thread Inlet to BS21 |
| Size |
2.5" Ø |
| Optional |
Storz outlet available upon request |
* Kitemark approved pressure reducing landing valve, flanged inlet available upon request.
GENERAL SPECIFICATIONS :
| Applicable Standards |
BS 5041-1: 1987 |
| Body |
Copper Alloy to BS EN 12163 : 1998 |
| Hand Wheel |
Spheroidal Graphite Cast Iron to BSEN 1563 : 1997 |
| Outlet |
Instantaneous to BS 336 : 1989 |
| Working Pressure |
20 Bar (Max) |
| Test Pressure |
30 Bar |
|
