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Model J Single Stage Fuel Units & 
Model H Two Stage Fuel Units
Pressure (Standard) at 95-150 PSI
Do not adjust J2, JJ2, H2, or HH2 models higher than 110 PSI
Fuels - Suitable for kerosene, No. 4 and lighter fuel oil, not compatible with fuel blends containing more than 5% biodiesel
Special models available for gasoline

 

Special Pressure Spring Options
A = 20-40 PSI
B = 75-200 PSI
C = 150-300 PSI
D = 40-80 PSI
E = 10-20 PSI
Standard models are rated up to speeds of 3450 RPM

Rotation - Indicated by a directional arrow on the fuel unit body and by a letter A, B, C, or D (see table)

 

Style Letter Rotation* Nozzle Port Location*
A

B

C

D

R.H.

R.H.

L.H.

L.H.

R.H.

L.H.

L.H.

R.H.

* As viewed from the shaft end
For additional information on various requirements,
please consult the factor

 

Model Number1 Piston Type Maximum Firing Rate (gph)
1725 rpm 3450 rpm
100 psi 300 psi2 100 psi 300 psi3
JJ2

JA2

JB2

J2

HA2

H2

Std.

Std.

Std.

Std.

-

-

-

3

-

-

-

-

3

7

10

16

-

-

-

-

J3 H3 Std.

G

N

7

8

9

-

-

-

20

24

26

-

10

14

J4 H4 Std.

N

11

13

-

-

30

33

17

23

J5 H5 Std.

N

17

19

-

5

40

46

28

32

J6 H6 Std.

N

24

26

7

10

55

60

40

45

  H7 Std.

N

40

42

17

20

-

-

-

-

  H8 Std.

N

80

83

47

55

-

-

-

-

NOTES: (1) Do not adjust H2 and 3450 rpm-only models (HA, HB, HH) to higher than 110 psi.
Do not adjust J2 and 3450 rpm-only models (JA, JB, JJ) to higher than 110 psi.
(2) Requires C spring (100-300 psi range)
(3) Requires C spring and hardened gear.
 
 
 
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Last modified: January 2017