NATURAL GAS - HIGH HEATING VALUE
ALTITUDE
ABOVE
SEA LEVEL
0 to 1,999 FT
2,000 to 2,999 FT
3,000 to 3,999 FT
4,000 to 4,999 FT
5,000 to 5,999 FT
6,000 to 6,999 FT
7,000 to 7,999 FT
8,000 to 8,999 FT
9,000 to 9,999 FT
Table 15. High Altitude Deration Chart for Natural Gas - High Heating Value
NATURAL GAS - LOW HEATING VALUE
ALTITUDE
ABOVE SEA
LEVEL
0 to 1,999 FT
2,000 to 2,999 FT
3,000 to 3,999 FT
4,000 to 4,999 FT
5,000 to 5,999 FT
6,000 to 6,999 FT
7,000 to 7,999 FT
8,000 to 8,999 FT
9,000 to 9,999 FT
Table 16. High Altitude Deration Chart for Natural Gas - Low heating Value
40
INPUT (BTU) and STAGE
60,000
80,000
1st
2nd 1st 2nd 1st 2nd 1st 2nd
45
45
1.7
3.5
1.7
3.5
45
45
1.7
3.3
1.7
3.3
45
45
1.7
3.1
1.7
3.1
45
45
1.7
2.9
1.7
2.9
45
45
1.7
2.8
1.7
2.8
48
48
1.7
3.5
1.7
3.5
48
48
1.7
3.3
1.7
3.3
48
48
1.7
3.0
1.7
3.0
48
48
1.7
2.8
1.7
2.8
INPUT (BTU) and STAGE
60,000
80,000
1st 2nd 1st 2nd 1st 2nd 1st 2nd
45
45
1.7
3.5
1.7
3.5
45
45
1.7
3.5
1.7
3.5
45
45
1.7
3.4
1.7
3.4
45
45
1.7
3.2
1.7
3.2
45
45
1.7
3.1
1.7
3.1
45
45
1.7
2.9
1.7
2.9
48
48
1.7
3.5
1.7
3.5
48
48
1.7
3.3
1.7
3.3
48
48
1.7
3.1
1.7
3.1
100,000
120,000
45
45
ORIFICE SIZE
1.7
3.5
1.7
3.5
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
3.3
1.7
3.3
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
3.1
1.7
3.1
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
2.9
1.7
2.9
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
2.8
1.7
2.8
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
3.5
1.7
3.5
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
3.3
1.7
3.3
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
3.0
1.7
3.0
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
2.8
1.7
2.8
MANIFOLD PRESSURE
100,000
120,000
45
45
ORIFICE SIZE
1.7
3.5
1.7
3.5
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
3.5
1.7
3.5
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
3.4
1.7
3.4
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
3.2
1.7
3.2
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
3.1
1.7
3.1
MANIFOLD PRESSURE
45
45
ORIFICE SIZE
1.7
2.9
1.7
2.9
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
3.5
1.7
3.5
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
3.3
1.7
3.3
MANIFOLD PRESSURE
48
48
ORIFICE SIZE
1.7
3.1
1.7
3.1
MANIFOLD PRESSURE