Roberts Gorden TF-160, TF-350, TF-300, TF-120, TF-200, TF-250, TF-380 TUBE, Standard Reflector

SECTION 3: CRITICAL CONSIDERATIONS

NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows.

2.Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect.

FIGURE 5: U-TUBE, STANDARD REFLECTOR
				(inches)				(centimeters)
		Model	A	B	C	D	A	B	C	D
	A	TF-120	6	35	63	30	16	89	161	77
		TF-160	6	38	69	37	16	97	176	94
		TF-200	6	40	76	39	16	102	194	100
B		D

C	TF-250	6	46	79	43	16	117	201	110
	TF-300	6	50	84	47	16	127	214	120
	TF-350	8	54	87	51	21	138	221	130
	TF-380	8	54	87	51	21	138	221	130

FIGURE 6: U-TUBE, 45°

							(inches)				(centimeters)
					Model	A	B	C	D	A	B	C	D
		A			TF-120	8	8	60	42	21	21	153	107
	B
				D	TF-160	8	8	66	46	21	21	168	117
					TF-200	8	8	74	52	21	21	188	133
					TF-250	8	8	78	61	21	21	199	155
					TF-300	8	8	84	66	21	21	214	168
			C
					TF-350	8	8	85	70	21	21	216	178
					TF-380	8	8	85	70	21	21	216	178
FIGURE 7: U-TUBE, OPPOSITE 45° REFLECTOR
							(inches)				(centimeters)
					Model	A	B	C	D	A	B	C	D

	A	TF-120	8	54	60	22	21	138	153	56
		TF-160	8	60	66	22	21	153	168	56
		TF-200	10	64	74	22	26	163	188	56
B	C	D
		TF-250	10	70	78	22	26	178	199	56

TF-300	12	74	84	22	31	188	214	56
TF-350	12	76	85	22	31	194	216	56
TF-380	12	76	85	22	31	194	216	56

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