Roberts Gorden COMPLETE HED Series, Инструкция по установке, эксплуатации и обслуживанию

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SECTION 3: C
LEARANCES TO
C
OMBUSTIBLES
7
NOTE: 1. All dimensions are from the s u rfaces of all t u bes, co u plings and elbo w s.
2. Clearances B, C and D can be red u ced by 50% after 25' (7.5 m) of t u bing do w nstream
from w here the b u rner and b u rner t u be connect.
FIGURE 7: U-TUBE, LEVEL REFLECTOR
(inches) (centimeters)
Model A B C D A B C D
HED-40
- UNAPPROVED -
- UNAPPROVED -
HED-60 6 35 63 30 16 89 161 77
HED-80 6 38 69 37 16 97 176 94
HED-100 6 40 76 39 16 102 194 100
HED-125 6 46 79 43 16 117 201 110
HED-150 6 50 84 47 16 127 214 120
HED-175 8 54 87 51 21 138 221 130
FIGURE 8 : U-TUBE, 45
°
(inches) (centimeters)
Model A B C D A B C D
HED-40
- UNAPPROVED - - UNAPPROVED -
HED-60 8 8 60 42 21 21 153 107
HED-80 8 8 66 46 21 21 168 117
HED-100 8 8 74 52 21 21 188 133
HED-125 8 8 78 61 21 21 199 155
HED-150 8 8 84 66 21 21 214 168
HED-175 8 8 85 70 21 21 216 178
D
B
A
C
FIGURE 9: U-TUBE, OPPOSITE 45
°
REFLECTOR
(inches) (centimeters)
Model A B C D A B C D
HED-40
- UNAPPROVED - - UNAPPROVED -
HED-60 8 54 60 22 21 138 153 56
HED-80 8 60 66 22 21 153 168 56
HED-100 10 64 74 22 26 163 188 56
HED-125 10 70 78 22 26 178 199 56
HED-150 12 74 84 22 31 188 214 56
HED-175 12 76 85 22 31 194 216 56