BOILER | MINIMUM PIPE DIA. (IN NPT) | |||
MODEL | "A" | "B" | "C" | "D" |
BSI069 | * | 2 | 1 1/2 | 1 1/4 |
BSI103 | * | 2 | 1 1/2 | 1 1/4 |
BSI138 | * | 2 | 1 1/2 | 1 1/4 |
BSI172 | * | 2 | 1 1/2 | 1 1/4 |
BSI207 | 2 | 3 | 1 1/2 | 1 1/4 |
BSI241 | 2 | 3 | 2 | 1 1/2 |
BSI276 | 2 | 3 | 2 | 1 1/2 |
BSI310 | 2 | 3 | 2 | 1 1/2 |
BSI345 | 2 | 3 | 2 | 1 1/2 |
BSI379 | 2 | 3 | 2 | 1 1/2 |
* SECOND 2" SUPPLY RISER OPTIONAL
BOILER
FRONT
FIGURE11: STEAMBOILERPIPINGFORGRAVITYRETURN
WRONG- HEADER BULLHEADED INTO TAKE-OFF AND EQUALIZER
WRONG - TAKE-OFF BETWEEN RISERS
WRONG -TAKE-OFF
BULLHEADED INTO
TWO MAINS
FIGURE 12: COMMON NEAR-BOILER PIPING MISTAKES
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