Roberts Gorden BH35UT/EF, BH30UT/EF, BH40DL End View, Plan View, Burner Specifications, Standard

BLACKHEAT® INSTALLATION OPERATION AND SERVICE MANUAL

18.9 Burner Specifications

Figure 37: Linear and U-Tube Specifications

End View	Plan View		Reflector
										Fan
367	317				100 mm			Swirler*
mm mm
			Burner Tube		Tube Length
171 mm
	273 mm						Weld Spot		Damper
	Plan View			Tube Length
Fan			100 mm
					Burner Tube				457 mm
		Internal Swirler*					Fan Tube		U-Tube
Damper	Weld Spot
		*Swirler must always be located in Fan Tube.
18.9.1 Standard		BH15	BH20	BH25	BH30	BH35	BH40	BH45	BH50	BH55*
Burner Specifications
Burner Airplate		20	15	12	6	7	9	10	11	19
ID Number
Jet Numbers -		#30	3.8 mm	#19	4.7 mm	#9	#3	#2	B	E
Natural G20 & 25										6.8 mm (G25)
Jet Numbers -		#46	2.3 mm	#37	#33	3.1 mm	3.3 mm	#29	#26	#24
Propane/Butane
Jet Numbers -		1.95 mm	2.25 mm	2.5 mm	2.7 mm	2.9 mm	3.2 mm	3.25 mm	3.4 mm	-
Pressure Couple
Gas Consumption**		1.43	1.91	2.38	2.86	3.36	3.81	4.29	4.77	5.25
Natural G20 (m3/h)
Gas Consumption**		1.66	2.22	2.77	3.32	3.88	4.43	4.99	5.54	6.09
Natural G25 (m3/h)
Gas Consumption**		0.56	0.75	0.94	1.13	1.32	1.51	1.69	1.88	2.07 [3.94]
Propane (m3/h) [kg/h]		[1.07]	[1.43]	[1.79]	[2.15]	[2.50]	[2.86]	[3.22]	[3.58]
Gas Consumption**		0.43	0.57	0.72	0.86	1.00	1.15	1.29	1.43	1.57
Butane (m3/h)
Governor Pressure		21.4	19.7	19.2	17.4	18.2	17.9	16.9	18.4	18.3
Butane (mbar)
Governor Pressure		8.6	7.9	7.7	7.0	7.3	7.2	6.8	7.4	7.3
Butane (in wg)
Governor Pressure		26.1	26.1	26.1	27.4	26.1	28.6	28.6	26.1	26.1
Propane (mbar)
Governor Pressure		10.5	10.5	10.5	11.0	10.5	11.5	11.5	10.5	10.5
Propane (in wg)
		*Only available in Multiburner. **Based on Gross Caloric Value.
		Natural G20:			8.7 mbar		3.5 in wg
		Natural G25:			11.1 mbar		4.5 in wg
	Natural G25 BH 55*:				9.5 mbar		3.8 in wg

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