BURNER
MODEL

HEAT OUTPUT
(Kcal / Hr) 

HEAT OUTPUT
(kW/Hr) 

HEAVY OIL
CONSUMPTION (Kg/Hr)

NATURAL GAS
CONSUMPTION (SCM/Hr)

OPH
ELECTRICAL HEATER
(kW)

F D
MOTOR
(kW)

VOLTAGE
(Ph) 

OIL PUMP
MOTOR (kW) 

FLAME LEGTH
(Mtr) 

FLAME DIA
(Mtr) 

Min. 

Max. 

Min. 

Max. 

Min. 

Max. 

Min. 

Max. 

Min. 

Max. 

Min. 

Max. 

NTHD 700

120,400 

584,800 

140

680

12.29

59.67

13.50

67.50

4.50

1.10

3

1.1

0.73

1.37

0.25

0.45

NTHD 900

159,100 

786,900 

185

915

16.23

80.30

18.50

91.50

4.50

2.20

3

1.1

0.81

1.56

0.27

0.51

NTHD 1400

232,200 

1,178,200 

270

1370

23.69

120.22

27.50

135.00

6.00

2.20

3

1.1

1.00

1.87

0.31

0.57

NTHD 1800

318,200 

1,591,000 

370

1850

32.47

162.35

36.50

185.00

9.00

3.70

3

1.5

1.10

2.06

0.35

0.64

NTHD 2700

481,600 

2,365,000 

550

2750

49.14

241.33

55.00

275.00

12.00

3.70

3

1.5

1.20

2.75

0.43

0.70

NTHD 4250

774,000 

3,655,000 

900

4250

78.98

372.96

85.00

430.00

18.00

7.50

3

2.2

1.50

3.75

0.49

0.80

NTHD 5500

1,032,000 

4,730,000 

1200

5500

105.31

482.65

110.00

550.00

24.00

11.25

3

2.2

1.70

4.00

0.54

0.85

NTHD 6500

1,204,000 

5,848,000 

1400

6800

122.26

596.73

130.00

690.00

24.00

15.00

3

2.2

1.85

4.75

0.57

0.91

NTHD 7500

1,376,000 

6,536,000 

1600

7600

140.41

666.94

145.00

780.00

36.00

18.95

3

3.0

1.95

5.00

0.60

0.95

NTHD 9500

1,462,000 

8,170,000 

1700

9500

149.18

833.67

160.00

990.00

36.00

22.50

3

3.0

2.06

5.12

0.62

1.10