HURST SERIES 250 User manual

HURST PERFORMANCE SERIES BOILERS
Shipping Container Friendly Up to 800 Horsepower
2-PASS SCOTCH MARINE DESIGN
with Semi-Wetback Construction
Standard Steam Trim
Operating & high limit pressure controls
Modulating pressure control (when appl.)
Water column with drain valve, gauge glass,
combination low water cut-off
& pump control
Probe Aux, L.W.C.O. w/ Manual Reset
Steam pressure gauge, syphon & test cock
Stack Thermometer, Water column
drain valve
Safety relief valve(s) per ASME Code
Standard Water Trim
Operating & high limit temperature controls
Modulating temperature control (when appl.)
Probe type low water cut-off control with
Manual Reset
Combination pressure & temperature gauge
Hot water return bafe for shock resistance
Safety relief valve(s) per ASME Code
Stack Thermometer HBC-09517
01/2011
OPTIONAL SKID PACKAGES
Shown with
OPTIONAL SKID PACKAGE
FEEDWATER SYSTEMS BLOWN DOWN SEPARATORS
Skid Mounted,
Piped & Wired
ENHANCED FIRE TUBES
STEAM
Pressures From 15-450 PSI.
HOT WATER
Section I and Section IV
Advanced technology fire tubes with enhanced
heat transfer characteristics.

A
H
BOILER DESIGN: Two-Pass
“Scotch Marine” Firetube design with
“Semi-Wetback” construction.
Pressure designs for steam are:
20-150 HP. > 450 PSI max.
200-350 HP. > 400 PSI max.
400-1000 HP. > 350 PSI max.
Hot Water pressures models available
from 30-160 psi. at 250° F. MAX.
High pressure, high temperature
Section I hot water boilers available
also.
Factory assembled and tested
to, ASME code, UL, and CSD-1
standards.
STEAM MODEL TRIM: Safety relief
valve, operating pressure control,
high limit pressure control with
manual reset, steam pressure gauge
with syphon, combination pump
control and low water cut-off with
gauge glass assembly and drain
valve, auxiliary low water cut-off with
manual reset.
HOT WATER MODEL TRIM: Safety
relief valve, operating temperature
control, high limit temperature control
with manual reset, combination
pressure & temperature gauge, low
water cut-off control with manual
reset.
BURNER: Matched UL listed “forced
draft” power burners with factory
pre-piped, wired and tested fuel
configurations for natural gas,
propane (LP) gas, No. 2 (diesel) oil,
No. 6 heavy oil or combination of
both gas/oil.
200 250 300 350 400 500 600 700 800 900 1000
6900 8625 10350 12075 13800 17250 20700 24150 27600 31050 34500
6695 8369 10042 11716 13390 16738 20085 23432 26780 30128 33475
8400 10500 12600 14700 16800 21000 25200 29400 33600 37800 42000
91.8 114.7 137.7 160.6 183.6 229.5 275.4 321 367 413 460
60 75 90 105 120 150 180 210 240 270 300
56 70 84 98 112 140 168 196 224 252 280
A46666688888A
A8 10 10 10 10 10 12 12 12 14 14 A
B8 10 10 10 10 10 12 12 12 12 12 B
C6 8 8 8 8 8 10 10 10 12 12 C
D1.5 1.5 2 2 2 2 2 2.5 2.5 2.5 2.5 D
E1.25 1.25 1.5 1.5 1.5 1.5 2 2 2 2 2 E
E22222222222E
F63 63 68 68 76 76 78 78 78 83 83 F
G32 32 36 36 42 42 42 42 42 48 48 G
H16 16 14 14 15 15 15 15 15 18.5 18.5 H
I37.5 37.5 39.5 39.5 41.625 41.625 41.625 41.625 41.625 48.13 48.13 I
J47.88 47.88 50.38 50.38 53.5 53.5 54.5 54.5 54.5 60.5 60.5 J
K85.75 85.75 90.75 90.75 98 98 100 100 100 109 109 K
L54 54 56 56 62 62 60 60 60 64 64 L
M176 176 204 204 204 204 252 294 318 321 321 M
N30.25 30.25 31.25 31.25 35.25 35.25 52.5 52.5 52.5 53.13 53.13 N
O18 18 20 20 24 24 28 32 32 34 34 O
P69.25 69.25 74.25 74.25 82.75 82.75 85 85 85 89.75 89.75 P
Q82 82 85 85 93 93 95 95 95 101 101 Q
R206.38 206.38 234.38 234.38 237.38 273.88 297.38 339.38 363.38 366.38 366.38 R
S221.75 235.5 263.13 263.13 262.13 303.38 310 352.13 376.13 380.63 380.63 S
T64.81 64.81 74.81 74.81 76.88 91.88 87.88 111.88 129.88 144 144 T
U144 144 168 168 162 198 198 240 264 264 264 U
V161 161 188 188 187.25 223.25 229.88 271.88 295.88 296.25 296.25 V
W45.5 59.25 59.25 59.25 59.25 64.25 64.25 64.25 64.25 69.5 69.5 W
X64 64 66 66 70 70 70 70 70 73 73 X
1545 1510 1993 1968 2346 2764 3006 3511 3830 4073 3966
1196 1162 1557 1532 1822 2129 2390 2772 3021 3457 3349
13950 14400 18250 18575 24500 27125 30000 33300 35700 42300 43250
12930 13400 17975 18300 24200 26800 29600 32900 35300 40200 41200
200 250 300 350 400 500 600 700 800 900 1000
BOILER SPECIFICATIONS
BOILER HORSEPOWER 20 25 30 40 50 60 70 80 100 125 150
STEAM OUTPUT FROM &@ 212° LBS/HR 690 862 1035 1380 1725 2070 2415 2760 3450 4312 5175
GROSS OUTPUT MBH 670 837 1004 1339 1675 2008 2343 2678 3348 4184 5021
FIRING RATE GAS 1,000 BTU/CF CFH 840 1050 1260 1680 2100 2520 2940 3360 4200 5250 6300
FIRING RATE LP GAS 91,500 BTU GPH 9.2 11.5 13.8 18.4 23 27.5 32.1 36.7 45.9 57.3 68.8
FIRING RATE OIL #2 140,000 BTU GPH 6 7.5 9 12 15 18 20.7 24 30 37.5 45
FIRING RATE HEAVY OIL 150,000 BTU GPH 5.6 7 8.4 11.2 14 16.8 19.3 22.4 28 35 42
A*NOTE: 1 STEAM OUTLET SIZE 150 PSI IN 1.25 1.25 1.5 1.5 2 2 2.5 2.5 4 4 4 A
A*NOTE: 2 STEAM OUTLET SIZE 15 PSI IN 3 3 4 4 4 6 6 6 6 6 8 A
B*NOTE: 2 WATER SUPPLY SIZE 30 PSI IN 3 3 3 4 4 4 6 6 6 6 8 B
C*NOTE: 2 WATER RETURN SIZE 30 PSI IN 2.5 2.5 3 3 4 4 4 4 6 6 6 C
DFEEDWATER CONNECTION SIZE IN 0.75 0.75 0.75 1 1 1 1.25 1.25 1.25 1.25 1.25 D
EBLOWDOWN CONNECTION (BTM) HIGH PRESS. IN 1 1 1 1.25 1.25 1.25 1.25 1.25 1.25 1.25 1.25 E
EBLOWDOWN CONNECTION (BTM) LOW PRESS. & HW IN 1.25 1.25 1.25 1.25 1.25 1.5 1.5 1.5 1.5 1.5 1.5 E
FSHELL INSIDE DIAMETER IN 40 40 40 42 42 46 46 48 48 54 54 F
GFURNACE O.D. IN 16 16 18 18 20 22 22 24 26 28 28 G
HSHELL TO FLOOR IN 14 14 14 14 14 14 14 14 14 14 14 H
ICENT.LINE FURN. TO FLOOR IN 27.31 27.31 27.31 27.31 29.188 29.13 29.13 31.688 31.88 34.438 34.438 I
JCENT.LINE BOILER. TO FLOOR IN 34.31 34.31 34.31 35.31 35.31 37.313 37.313 38.313 35.313 41.313 41.313 J
KSTACK OUTLET HEIGHT IN 60.63 60.63 60.63 62.63 62.63 66.63 66.63 68.63 68.63 74.63 74.63 K
LSKID & SADDLE WIDTH IN 36 36 36 36 36 40 40 40 40 44 44 L
MSKID LENGTH IN 104 104 104 118 124 138 138 138 172 176 188 M
NSKID TO FRONT PLATE IN 21.25 21.25 21.25 23.25 22.25 24.25 24.25 24.25 27.25 30.188 30.188 N
OSTACK OUTSIDE DIA. IN 10 10 10 12 12 14 14 14 16 16 16 O
PWIDTH WITH NO TRIM IN 45.625 45.625 45.625 48.63 48.63 52.13 52.13 54.13 54.13 60.13 60.13 P
QWIDTH WITH STD. TRIM IN 55 55 55 58 58 64 64 64 66 72 72 Q
RLENGTH WITHOUT BURNER IN 133.38 133.38 133.38 147.38 153.38 168.38 168.38 168.38 202.38 205.38 217.38 R
SLENGTH WITH STD. BURNER IN 144.25 144.25 148.75 160.63 167.53 184.75 184.75 185 216 220.68 232.68 S
TSTEAM & FD/WTR. LOCATION IN 46.75 46.75 46.75 46.75 48 54.75 54.75 54.75 64.75 64.813 64.813 T
UTUBE REMOVAL FROM FRONT IN 84 84 84 96 102 114 114 114 143 143 155 U
VLENGTH OVER END PLATES IN 97 97 97 109 116 129 129 129 160 160 172 V
WBURNER EXTEN'SN. APPROX. STND. BURNER IN 32 32 36.5 36.5 36.5 40.75 40.75 40.75 41.25 45.5 45.5 W
XREAR DOOR SWING CLEARANCE IN 48 48 48 50 50 54 54 56 56 60 60 X
WATER CAPACITY FLOODED GAL. 443 438 414 531 527 709 704 746 859 1127 1215
WATER CAPACITY, OPERATING GAL. 323 318 348 409 446 577 571 626 765 950 1025
APPROX. SHIPPING WEIGHT 150 PSI LBS. 4325 4425 4550 5000 5425 6890 7000 7500 8800 10500 10975
APPROX. SHIPPING WEIGHT LOW PRESS. LBS. 4150 4250 4450 4890 5315 6500 6600 7050 8225 9650 10400
BOILER HORSEPOWER 20 25 30 40 50 60 70 80 100 125 150
NOTE:1 3”& ABOVE ARE 300# ANSI FLANGE.
NOTE:2 4” & ABOVE ARE 150# ANSI FLANGE.
NOTE: DO NOT USE FOR CONSTRUCTION, DIM. [S] & [W] ARE DEPENDENT ON SPECIFIC BURNER SELECTION.
ALL DIMENSIONS ARE IN INCHES
CERTIFIED DRAWING AVAILABLE UPON REQUEST.
DIMENSIONS SUBJECT TO CHANGE WITHOUT NOTICE.
Designed,
constructed and
stamped in
accordance with
the requirements
of the ASME
Boiler Codes.
Inspected and
registered with the
National Board of
Boiler & Pressure
Vessel Inspectors.