44
HIGH ALTITUDE DERATION – NATURAL GAS WITH HIGH HEATING VALUE
ALTITUDE ABOVE
SEA LEVEL
INPUT (BTU)
(SC MODELS)
(SD MODELS)
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.0 3.2 3.2 3.2 3.2 3.2 3.2 3.3 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.8 3.0 3.0 3.0 3.0 3.0 3.2 3.1 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.7 2.8 2.8 2.8 2.8 2.8 2.8 2.9 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.5 2.5 2.7 2.7 2.7 2.7 2.7 2.8 MANIFOLD PRESSURE
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.4 3.2 3.3 3.3 3.3 3.3 3.3 3.3 MANIFOLD PRESSURE
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.2 3.0 3.0 3.0 3.0 3.0 3.0 3.0 MANIFOLD PRESSURE
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.0 2.8 2.8 2.8 2.8 2.8 2.8 2.8 MANIFOLD PRESSURE
HIGH ALTITUDE DERATION – NATURAL GAS WITH LOW HEATING VALUE)
ALTITUDE ABOVE
SEA LEVEL
INPUT (BTU)
(SC MODELS)
(SD MODELS)
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.1 3.4 3.3 3.3 3.3 3.3 3.3 3.4 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.9 3.2 3.1 3.1 3.1 3.1 3.1 3.2 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.8 3.1 2.9 2.9 2.9 2.9 2.9 3.1 MANIFOLD PRESSURE
45 51 47 47 47 47 46 45
ORIFICE SIZE
2.6 2.9 2.8 2.8 2.8 2.8 2.8 2.9
MANIFOLD PRESSURE
48 53 49 49 49 49 48 48 ORIFICE SIZE
3.3 3.5 3.4 3.4 3.4 3.4 3.4 3.5 MANIFOLD PRESSURE
48 53 49 49 49 49 48 48 ORIFICE SIZE
3.0 3.3 3.2 3.2 3.2 3.2 3.2 3.3 MANIFOLD PRESSURE
48 53 49 49 49 49 48 48 ORIFICE SIZE
2.8 3.1 2.9 2.9 2.9 2.9 2.9 3.1 MANIFOLD PRESSURE