Roberts Gorden CRV-B-6, CRV-B-8, CRV-B-2, CRV-B-4 Universal Shield, Position, inches, centimeters

SECTION 3: CLEARANCES TO COMBUSTIBLES

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

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

FIGURE 5: UNIVERSAL SHIELD, POSITION 1

											(inches)				(centimeters)
									Model	A	B	C	D	A	B	C	D
									CRV-B-2	4	12	12	12	11	31	31	31
	A								CRV-B-4	4	12	12	12	11	31	31	31
									CRV-B-6	4	12	12	12	11	31	31	31
									CRV-B-8	4	12	12	12	11	31	31	31
									CRV-B-9	8	18	24	18	21	46	61	46
	C			B		D
									CRV-B-10	8	18	24	18	21	46	61	46
									CRV-B-12	8	18	24	18	21	46	61	46
									CRV-B-12A	8	18	24	18	21	46	61	46
FIGURE 6: UNIVERSAL SHIELD, POSITION 2
											(inches)				(centimeters)
									Model	A	B	C	D	A	B	C	D
									CRV-B-2	4	24	48	24	11	61	122	61
		A							CRV-B-4	4	24	48	24	11	61	122	61
									CRV-B-6	4	24	48	24	11	61	122	61
									CRV-B-8	4	24	48	24	11	61	122	61
									CRV-B-9	4	36	48	36	11	92	122	92
					B		D
		C							CRV-B-10	4	36	48	36	11	92	122	92
									CRV-B-12	4	36	48	36	11	92	122	92
									CRV-B-12A	4	36	48	36	11	92	122	92
FIGURE 7: UNIVERSAL SHIELD, POSITION 3
											(inches)				(centimeters)
									Model	A	B	C	D	A	B	C	D
									CRV-B-2	4	12	56	30	11	31	143	77
			A
									CRV-B-4	4	12	56	30	11	31	143	77
									CRV-B-6	4	12	56	30	11	31	143	77
									CRV-B-8	4	12	56	30	11	31	143	77
									CRV-B-9	8	12	60	42	21	31	153	107
			C		B			D
									CRV-B-10	8	12	60	42	21	31	153	107
									CRV-B-12	8	12	60	42	21	31	153	107
									CRV-B-12A	8	12	60	42	21	31	153	107

7