50 HP SSB York Shipley Boiler
A.1BOILER Performance & Design Characteristics
Boiler Model Number & Quantity: / ( 1 ) / YSG 542C-S3D-50-S150-N2-CFB High Pressure Steam BoilerBoiler Horse Power, each: / 50 / BHP
Boiler Capacity: / 1,725 / Pounds Per Hour of Steam, * (PPH)
Boiler Output: / 1,674 / 1,000 BTU / Hour Output, (MBH)
Boiler Design Pressure: / 150 / PSIG Maximum Allowable Working Pressure
Boiler Operating Pressure: / 135 / PSIG Maximum System Operating Steam Pressure
Heating Surface - Fireside: / 250 / Square Feet Effective Fireside Heating Surface
Heating Surface - Waterside: / 274 / Square Feet Effective Waterside Heating Surface
Steam Space Volume: / 6.30 / Cubic Feet of Steam Storage Space
Steam Disengaging Area: / 18.1 / Square Feet of Steam Disengaging Area
ASME Certification / Construction: / Section 1 / Power Boilers, ASME B&PV Code
Boiler Pressure Vessel Type: / Three / Pass Dryback Scotch Marine Firetube Boiler
Year Built: / 2011 / Year of Manufacturing & NB Certification
Performance Steam Quality: / 99.5% / or Greater Dry Saturated Steam
Furnace Type & Size: / Smooth / 15-¼” Inside Diameter x 88-¼” Length
Furnace Volume: / 11.2 / Cubic Feet Including Turn Space
Boiler Pressure Drop: / 0.65” / Inches of Water Column Furnace Pressure
Burner Manufacturer: / Power Flame
Burner Model Number: / LNIC2-GO-20B
Flame Control System: / Honeywell RM7800 Series
Burner Operation: / Modulating / 0-135 ohm signal from L91B Pressuretrol
Ignition Sequence & Type: / Gas Pilot / Guaranteed Low Fire Start with Interrupted Natural Gas Pilot
Fuel Oil Atomizing Medium: / Pressure Atomized with Bypass Oil Nozzle Arrangement
Input Required - Natural Gas: / 2,092 / CFH Natural Gas / (Rated @ 1,000 BTU/Cubic Foot of Gas)
Input Required #2 Fuel Oil: / 14.9 / GPH No. 2 Fuel Oil / (Rated @ 140,000 BTU/Gallon)
Shipping Weight: / Pounds, (Approximate)
Operating Weight: / Pounds, (Approximate)
Flooded Weight: / Pounds, (Approximate)
Water Capacity: / Gallons / (to operating water level)
From & at 212oF, (100oC) at 1 atmosphere (1 bar pressure), at 1 FASL
A.2 Packaged Boiler General Description
The unit is a three pass, dryback boiler, designed, constructed, inspected and certified in accordance with Section I, Power Boilers, of the ASME Boiler & Pressure Code with heavy wall steel furnace, complete with (4) - 3½” x 4½” ASME Handhole Inspection Openings in the shell. The boiler assembly includes gas tight front and rear combustion gas turn spaces; refractory lined rear turn space at the end of the furnace with a refractory lined rear door supported from a shell mounted hinged davit; split front doors with internal insulation panels and two steel rear third pass covers bolted in place. The boiler assembly includes a flanged vertical vent connection, rear furnace observation port, painted steel jacketing with 2" fiberglass insulation and open bottom, lifting lugs for rigging, fabricated steel base with shell saddles and structural skid, and one, front door mounted fireside cleanout opening, with gasket.A.3 Model 542C-S3D-50-S150ThreePass Firetube Boiler Construction Features
3 Pass Dryback Horizontal Firetube Boiler Constructed in accordance with Section I, Power Boilers of ASME Boiler & PV Code150 PSIG Boiler Design Pressure, Stamped & Certified with National Board on ASME P-2 Manufacturers Data Report
Pressure Vessel Shell includes Four, 31/2" x 41/2" Elliptical Handhole Inspection Openings per ASME Code
Heavy Wall Furnace for low volume heat release, manufactured with SA-516 pressure vessel quality steel
High Quality boiler shell and tube sheets fabricated from SA-516 grade 70 pressure vessel quality steel
Large Volume Gas Tight Combustion Gas Turnspaces at exits of the first and second pass tube banks
Gas Tight Refractory Lined and Insulated Furnace Access Rear Door, mounted on heavy duty hinge arrangement
Gas Tight Front Fireside Access Doors with internal insulation with hinged/davit arrangement on each door
Gas Tight Third Pass Fireside Access Doors, bolted arrangement, heavy gauge steel covers with handles for easy access
8” Wide Rigid steel catwalk installed lengthwise on top boiler centerline for casing protection during installation
Heavy Duty Lifting Lugs centered and welded on top of boiler shell for simple rigging with spreader bar
Painted Steel Jacket Casing with 2" Fiberglass Insulation, Open Bottom and Trim Rings for Openings
Boiler Mounting includes Fabricated Steel Base Assembly with Steel Saddles and Side Skid Channels
( 2 ) - 6” Spring Load Explosion Doors, Mounted in Rear Third Pass Upper Doors
A.4 Boiler Controls and Trim
Primary Low Water Cutoff Control: / 1 / MM#157S / Float Type Control, Automatic Reset, Mercury Free Snap SwitchesAuxiliary Low Water Cutoff Control: / 1 / MM#750B / Probe type Control with Manual Reset Relay Switch in Control Panel
Water Level Operation and Control: / - / 120V On/Off FW Pump Signal Provided from Level Switch in Primary LWCO
Pressure Control: Operating Limit / 1 / L404F / Honeywell Pressuretrol / 10-150 PSIG / Operating Range
Pressure Control: Low Fire Hold / 1 / L404F / Honeywell Pressuretrol / 10-150 PSIG / Operating Range
Pressure Control: Proportional Modulation / 1 / L91B / Honeywell Pressuretrol / 10-150 PSIG / Operating Range
Pressure Control: Manual Reset High Limit: / 1 / L4079B / Honeywell Pressuretrol / 10-150 PSIG / Operating Range
Water Level Gauge: / 1 / 5/8” Heavy Wall Gage Glass Mounted on Primary LWCO
Water Glass Valve Set: / 1 / ½” x 250 PSIG Safety type Water Gauge Valves with Safety type Ball Checks
Compression Tri-Cock Valves: / 3 / ½” x 250 PSIG Compression Cocks with Handwheel, Mounted on Primary LWCO
Steam Pressure Gauge: / 1 / 6” / Diameter, 0 - 300 PSIG Range, with Pulsation Snubber & Shutoff Valve
ASME Safety / Relief Valve: / 1 / 1” x 1-¼” ASME Certified Safety Valve, Set at / 150 / PSIG
A.5 Boiler Principal Piping Connections and Sizes
Main Steam Supply Outlet: / 1 / 2” / NPT x 3000 PSIG SA-105 Forged Steel Threaded CouplingSurface Blowdown Connection: / 1 / 1-½“ / Schedule 80 - SA-106 Steel Pipe Nipple at Waterline
LWCO Trim Control Connections: / 3 / 1“ / NPT x 3000 PSIG SA-105 Forged Steel Threaded Couplings
Feedwater Inlet Connection: / 1 / 1” / NPT x 3000 PSIG SA-105 Forged Steel Threaded Couplings
Bottom Blowdown Connection: / 1 / 1-¼“ / NPT x 3000 PSIG SA-105 Forged Steel Threaded Couplings
Safety Valve Connection: / 1 / 1” / NPT x 3000 PSIG SA-105 Forged Steel Threaded Couplings
Vertical Stack Flange Connection: / 1 / 10” / I.D. Outlet with Structural Steel Mounting Flange for up to 2000# Stack Load
A.6 Boiler Mounted Valves, Equipment and Optional Accessories
Boiler Exhaust Outlet Stack Thermometer: / 1 / 3“ / Diameter, 200oF - 1000oF. Range, Installed in Flue Outlet* - Water Gauge Blowdown Valve: / 1 / ¼” / Ball Valve, Mounted on Lower Water Gauge Valve, 250 PSIG Rating
* - Primary LWCO Column Blowdown Valves: / 1 / 1” / Ball Valve, Mounted on Bottom of Water Column Piping, 150 PSIG Rating
* - Manual Surface Blowdown Valve: / 1 / ½” / Manual Surface Blowdown Valve, Installed, 250 PSIG Rating
* - Bottom Blowdown Valves: / 1 / 1-¼“ / Set, Triple Bottom Blowdown Valves, Installed, 150 PSIG Rating
* - Feedwater Stop & Check Valves / 1 / 1” / Set, Feedwater Stop & Check Valves, Installed, 150 PSIG Rating
* YSG Pre-Piped & Certified Valve Piping in accordance with ASME Code, Section 1 Power Boilers & Power Piping B31.1, & CSD-1
A.7 Boiler Mounted Flue Gas Re-Circulation Piping for Emission Control
Low NOx Flue Gas Re-Circulation Piping:FGR Piping Included, up to 12” DIA., Schedule 10 Pipe, Permanently Mounted on Boiler
(FGR Piping fits with within Boiler Width & Height Window, does not have to ship loose)
Dimensions:Approx. 12’-4” L. x 5’-0” W. x 5’-2” H.
Weight:Approx. 5,000 lbs