Model J Single 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

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.