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York Shipley Boilers (two (2) only)
Product Number: 4736
- 600 HP - 150 psi steam boiler
- Boiler mod. Number - York Shipley Global Mod. 588-SPH-600
- Quantity of boilers - two (2) packaged boilers
- Boiler horsepower - 600 BHP each
- Boiler type - three pass dryback scotch marine firetube
- Boiler capacity - 20,700 pound/hour each
- Boiler output - 20,088 BTU/hour each
- Boiler design pressure - 150 Psig, steam
- Boiler operating pressure - up to 135 psig
- Fireside heating surface - 3,000 sq. ft.
- Furnace diameter and type - 37" ID, corrugated, SA-516 Grade 70
- ASME construction - Section 1, power boilers, ASME code
- Installation altitude - less than 2,000 ft. above sea level
- Dry weight - 44,000 lbs.
- Wet weight - 74,000 lbs
- Water capacity - 3,290 gallons to operating line

Three Pass Dryback Firetube Boiler Vessel Assembly Description:

Pressure vessel shall include 3 1/2" x 4 1/2" handholes and 12" x 16" manhole per ASME.
Large volume gas tight combustion gas turn spaces at end of 1,2 & 3 pass tube banks.
Refractory lined and insulated rear door supported from shell mounted hinged davit.
Hinged front access door with internal insulation and fireside clean out opening.
Third pass bolted heavy gauge steel covers with handles for easy access.
Heavy wall corrugated furnace for high volume heat release.
Flanged vertical vent connection at rear.
Rigid steel catwalk installed lengthwise on top boiler centerline.
Heavy duty lifting lugs centered and welded to top centerline for easy rigging with a spreader.
Steel jacket casing with 2" insulation, open bottom and trim rings for openings.
Fabricated steel base assembly with saddles and side skid channels.

Safety Controls and Trim:

Primary low water cut off - (1) 193-7B float type with auto reset
Secondary low water cut off - (1) Warrick 3E1B probe type with manual reset
Feedwater valve and control - (1) modulating from 193-7B control
Steam pressure gauge - (1) 6" diameter 0 - 300 psig
High limit pressure control - (1) Honeywell L404C manual reset
Operating limit pressure control - (1) Honeywell L404A
Low fire hold pressure control - (1) Honeywell L604A
Modulating control - (1) Siemens
ASME safety relief valve - set at 150psi (as required)
Stack thermometer - (1) 3" diameter 200 -1000 deg. F.
Water gauge set - (1) mounted on primary LWCO
Tri cock valves - (3) mounted on primary LWCO
Feed, stop & check valve - (1) set, 2" - mounted on boiler
Modulating feed water valve - (1) 2" Jordan mark 33 prepiped
Blow down valves - (2) slow & (1) quick, 2" - mounted on boiler
Surface blow down valve - (1) 1/2" - mounted on boiler

Peincipal Piping Connections and Sizes:

Main steam supply outlet - (1) 8" x 300 psig ANSI flange
Feedwater line connection - (1) 2 1/2" threaded
Surface blow down connection - (1) 1 1/2" pipe nipple
Blow down connections - (2) 2" threaded
LWCO trim piping - (1) 1" threaded
Stack flange connection - (1) 24" ID w/ 12 bolt flange on 36" diameter BC
Flue gas recirculation - (1) 10" shipped loose for field installation

Burner, Fuel Train and Controls:

Webster #2 oil burner - model HDSX70-300B-LMV51-S-MA-IRI/NFPA8501
Supply voltage - 460V/60/3 ph
Control voltage - 120V/60/3 ph
Codes - IRI-NFPA-8501
Dual pilot valves - included
Pilot vent valve - NO vent valve included
Pilot line strainer - included
Remote oil pump set - mounted on boiler skid
Atomization - air compressor mounted on boiler skid
Dual HOV oil valve with POC - included
Alarm bell - 4" with silence switch
Control transformer - 0.50 KVA
Control panel - Mounted on side of boiler with key lock
Flame safeguard - Siemens LM51
Conduit - seal tight
Modulation - Siemens LM51 linkageless system
Nox - 80ppm with induced FGR. Based on fuel bound nitrogen less than 0.02%(wt) as tested by ASTM method D-4629
Flue gas recirculation - 4" FGR valve with linkageless control
Light package - standard 4 light system
Refractory front plate - by Webster to assure proper operation
Burner mounting - by York Shipley