Crown Boiler 32 Table 5, Figure 22: Steam Boiler Tapping Locations

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29
Table 5
Figure 22: Steam Boiler Tapping Locations
Tapping Uses Chart For Steam Boilers1
Component Description Tapping Tapping Standard CSD-1
Location S ize (in) Equi p ment Package
Supply Piping A 3 N N
Return Piping B 3 N N
Safety Relie f Valves
(With Inlet Opening Up To & Including 1- 1/2" NPT Inlet)
Safety Relie f Valves
(With Inlet s Larger Than 1-1/2" NPT Inlet) Y Y
Pressure Gauge D 1/2 Y Y
Water Gauge Glass Fittings E 1/2 Y Y
M & M #67 L ow Water Cut-Off E 1/2 Y N
M & M #67M Low Water C ut-Off with Manu al Res et E 1/2 N Y
Hydrolevel CG450 Probe Low Water Cut-Off G 3/4 N Y
Steam Equalizer Installed On The End Not E quipped With Trim Between
(With Optio nal M & M #150 F loat Low Water Cut-Off / Pump Control ler ) B & J
Honeywell PA 404A Or L404A P r e ssure Limit D 1/2 Y Y
Boiler Drain Valve B 3 Y Y
Bottom Blowoff Piping B 3 N N
Cover Plate F - Y Y
Indirect Wa ter Heater Connecti on H 1-1/2 N N
Indirect Wat er Heater Aquastat I 3/4 N N
1. Trim May Be Installed On Either End Section.
2. Use The Tapping Located On The End Not Equipped With Trim For The Safety Relief Valve & The Surf ace Blowof f .
Honeywell L404C M anual Reset P r e ssure Limit Cont r ol N Y
C2YY
NN
1-1/2
-
1/4" Tapping on
Top of #67 LWCO
-
3 & 1
Riser
(See Figure 27c)