3. Specifications
18
PNEG-1901CE
CE Compliant Downwind Centrifugal Heater Installation and Operation
Specification for Propane
Specification for Natural Gas
Airflow Requirements
LP Vapor Models
Calorific Value = 93.9 MJ/m
3
Fan Model
CHE-10-VN* CHE-15-VN* CHE-20-VN* CHE-25-VN* CHE-30-VN* CHE-40-VN*
Minimum Operating Pressure (mBar)
50
50
50
50
50
50
Maximum Operating Pressure (mBar)
205
210
210
205
210
205
Minimum Supply Line (")
1/2
3/4
3/4
3/4
1
1
Medium Temp Orifice (mm)
7.0
7.8
8.7
9.6
10.1
11.1
Medium Temp kW Rating at
Maximum Pressure
469.0
591.0
739.0
884.0
996.0
1196.0
Medium Temp Fuel Flow at Maximum
Pressure (m
3
/h)
18.0
22.7
28.4
33.9
38.2
45.9
Low Temp Orifice (mm)
4.6
5.1
5.7
6.3
6.6
7.3
Low Temp kW Rating at Maximum
Pressure
201.0
253.0
317.0
379.0
427.0
512.0
Low Temp Fuel Flow at Maximum
Pressure (m
3
/h)
7.7
9.7
12.2
14.5
16.4
19.6
Natural Gas
Calorific Value = 38.3 MJ/m
3
Fan Model
CHE-10-VN* CHE-15-VN* CHE-20-VN* CHE-25-VN* CHE-30-VN* CHE-40-VN*
Minimum Operating Pressure (mBar)
70
70
70
70
70
70
Maximum Operating Pressure (mBar)
480
480
480
480
480
480
Minimum Supply Line (")
3/4
1
1-1/4
1-1/4
1-1/2
1-1/2
Medium Temp Orifice (mm)
7.0
7.8
8.7
9.6
10.1
11.1
Medium Temp kW Rating at
Maximum Pressure
469.0
591.0
739.0
884.0
996.0
1196.0
Medium Temp Fuel Flow at
Maximum Pressure (m
3
/h)
43.7
55.1
68.9
82.4
92.9
111.5
Low Temp Orifice (mm)
4.6
5.1
5.7
6.3
6.6
7.3
Low Temp kW Rating at
Maximum Pressure
201.0
253.0
317.0
379.0
427.0
512.0
Low Temp Fuel Flow at Maximum
Pressure (m
3
/h)
18.7
23.6
29.6
35.3
39.8
47.7
Fan Model
CHE-10-VN* CHE-15-VN* CHE-20-VN* CHE-25-VN* CHE-30-VN* CHE-40-VN*
Maximum Airflow (m
3
/s)
7.6
8.6
11.2
11.3
13.3
15.5
Minimum Airflow (m
3
/s)
3.7
5.2
7.5
8.4
9.5
12.2