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Marlow Pumps
Trash Hog IIA Full Range of Product Features
External Impeller AdjustmentContinuous high performance
maintained by simple adjustment.Absolutely no shims required.
Industrial Duty Power EndProvides rigid shaft support. Ampleoil volume results in cooler running
bearings for extended life.
High Strength Stainless SteelTapered Shaft
Maximum strength and corrosionresistance. Tapered impeller fit
facilitates easy impeller removal.
Silicon CarbideMechanical SealHard faces provide
substantially higherresistance to wear. Carbon/
ceramic seal is optional.
Back Pump-Out Vanes and RearImpeller RingReduces seal chamber pressure and axialthrust for extended bearing and seal life.Prevents solids from entering sealchamber. Close radial clearanceeliminates need to shim behind impeller.
Heavy Vaned Open ImpellerDesigned for superior performancein toughest solids handlingservices.
Renewable WearplateReduces maintenance costs; allowsrunning clearances to bemaintained for maximum pumpingefficiency and priming capability.
Class 125 FlangesStandard on suction anddischarge for positive sealingin all industrial services.
Replaceable Elastomeric CheckValveWith integral blow-out disc –provides for instantrepriming while preventingover-pressurization of casing.
Check Valve CoverplateSimplifies check valve replacementand facilitates inspection ofcheck valve and impeller withoutdraining pump.
Back Pull-Out DesignComplete power end with seal chambercan be easily removed from casing withoutdisturbing suction and discharge piping.Easy to sling power end makes pull-outsafe and simple. No need for special tools.
Ligthweight Clean-Out CoverMaintenance-friendly cover allowssafe and easy access to removeany debris.
1
Marlow Pumps
Pump SizeInches cm
ImpellerInches cm PSI Typical Maximum Feet Meters
3DTHG 3 x 3 7.6 x 7.6 Open 2.50 6.4 85 1750 2400 21 6.44DTHG 4 x 4 10.2 x 10.2 Open 3 7.6 85 1750 2400 25 7.66ETHG 6 x 6 15.2 x 15.2 Open 3 7.6 85 1750 1750 25 7.68GTHG 8 x 8 20.3 x 20.3 Open 3 7.6 65 1150 1450 25 7.610GTHG 10 x 10 25.4 x 25.4 Open 3 7.6 65 1150 1450 15 4.612GAG 12 x 12 30.5 x 30.5 Open 3 7.6 80 1150 1450 15 4.6
Flanges 125# Solid Size Max. Pressure Speed Static Priming*
Trash Hog II Performance Coverage
2
05 50 100 200 500 1000 2000 5000 10000
40
80
120
160
200
CAPACITY — GPM
TOTA
L HE
AD —
FEE
T
4x4-9
3x3-8 6x6-11 8x8-14 10x10-14 12x12-16
Maximum Temperature: 225 ºF (107 ºC)* Based on nominal pipe sizes with 5 feet of horizontal length and O discharge at typical speed.
Trash Hog II Specifications
Marlow Pumps
Trash Hog II Materials of Construction
3
Item No. Description Materials
1 Casing Cast Iron
2 Casing Drain Plug Carbon Steel
4 Impeller Nut Carbon Steel
5 Impeller Washer Carbon Steel
8 Casing Gasket Lexide
10 Stuffing Box Cover Cast Iron
17 Mechanical Seal Single, Type 21(Silicon Carbide vs. Silicon Carbide)
24 Shaft Sleeve (Optional) 416 SS
31 Bearing Frame Cast Iron
35 Frame Foot Cast Iron
36 Radial Bearing Double Row Angular Contact (1)
37 Impeller Key Steel
38 Shaft 17-4PH (2)
Item No. Description Materials
42 Oil Seal Lip Seal (Buna\Steel)
49 Gasket, Suction Piece Lexide
50 Suction Piece Cast Iron
51 Check Valve BUNA-N
76 Inspection Cover Cast Iron
77 Gasket, Inspection Cover Lexide
83 Clean Out Cover Cast Iron
84 O-ring BUNA-N
89 Wear Plate Ductile Iron
91 Impeller Ductile Iron
109 O-ring BUNA-N
110 Bearing Housing Cast Iron
117 Thrust Bearing Double Row Angular Contact (3)
1 76
77
49
50
51
84
83
89291451710 3635
117
110
38
42
109
31
24 37 8
(1) Single row bearings standard on 3x3-8, 6x6-11 and 8x8-14 pumps.(2) Carbon steel shaft standard on 3x3-8 and 4x4-1- pumps for all iron construction.(3) Single row bearings standard on 3x3-8 pump.
Marlow Pumps
10
Trash Hog II Dimensions – Bare Pump
Dimensions in inches. Do not use for construction purposes without formal factory approval.Marlow Pumps reserves the right to make changes in design, materials, and prices without notice.
TRASH HOG II — Pump-End Only
Pump-End Only — 46298
DISCHARGE125 # DRILLING
A
K
B
FILLER
SUCTION125 # DRILLING
6 CLEAN OUT
T-DIA. (4)MTG. HOLES
CD
E
FG
H
L
M
N
V
J
I
DISCHARGE
S-DIA. SHAFTU-KEYWAY
R
W-DIA. (2)MTG. HOLES
QREF.
PO
Model SUCT. DISCH. A B C D E F G H I J K L M N O P Q R S T U V WM3DTH23EL 3 3 141⁄4 79⁄16 6 12 611⁄16 133⁄8 383⁄4 173⁄16 255⁄16 211⁄2
111⁄21011⁄16 7 147⁄16
65⁄8 313⁄1613⁄8 9⁄16
5⁄16 X 5⁄32 265⁄8M4DTH24EL 4 4 167⁄16 85⁄8 31⁄2 7 71⁄8 141⁄4 713⁄16 155⁄8 401⁄8 189⁄16 253⁄4
21119⁄16 9 1215⁄16 15⁄8 3⁄8 X 3⁄16 271⁄16
9⁄16
M6ETH28EL 6 6 1913⁄16 101⁄4 83⁄16 163⁄8 95⁄8 189⁄16 4211⁄16 161⁄2 27 10 121⁄2 6 153⁄8 11⁄16 289⁄16
M8GTH14EL 8 8 231⁄4 109⁄16 41⁄2 9 91⁄4 181⁄2 101⁄8 201⁄4 459⁄16 193⁄4 34 265⁄8 12 111⁄8 13 125⁄8 813⁄16 513⁄16 2 13⁄16
1⁄2 X 1⁄4 359⁄16 11⁄16M10GTH9EL 10 10 2815⁄16 13 6 12 111⁄8 221⁄4 121⁄8 241⁄4 541⁄8 255⁄8 44 331⁄2 143⁄4 16 14 155⁄16 455⁄16
Marlow Pumps
Model SUCT. DISCH. FRAME A B C D F H I J K L M N O P Q T
184T 65⁄16 531⁄4 43
M3DTH23EL 3 3213T
141⁄4 79⁄16 79⁄16 295⁄8 18 191⁄2551⁄4
173⁄16 285⁄16 241⁄2 97⁄16 8 46215T 563⁄4254T 815⁄16 603⁄16 51213T
79⁄16561⁄2 141⁄2 15
46215T 58
M4DTH24EL 4 4 254T 167⁄16 85⁄8815⁄16
301⁄16 20 211⁄2 617⁄16 189⁄16 283⁄4 24 105⁄16 1051
256T 603⁄1611⁄16
284T 119⁄16 641⁄2 53254T
815⁄16 325⁄1664
303⁄4 243⁄4 133⁄4 18 521⁄2256T 653⁄4
81⁄4M6ETH28EL 6 6
284T1913⁄16 101⁄4 119⁄16 319⁄16 22 231⁄2
671⁄16161⁄2 30 24 13 111⁄2 19 541⁄2
286T 689⁄16
324T329⁄16
701⁄831 25 14 83⁄4 20 571⁄2
326T135⁄8
715⁄8324T
399⁄1673
38 305⁄8 16 7 62M8GTH14EL 8 8
326T231⁄4 109⁄16 24 253⁄4
741⁄2193⁄4 101⁄8 24
364T155⁄8 409⁄16
757⁄839 315⁄8 17 63
365T 767⁄871⁄2 13⁄16
324T135⁄8
819⁄1667
M10GTH9EL 10 10326T
2815⁄16 13 495⁄16 30 313⁄4831⁄16
255⁄8 48 371⁄2 183⁄4 14 26364T
155⁄8847⁄16
8 68365T 857⁄16
Trash Hog II Dimensions – With Bedplate
Dimensions in inches. Do not use for construction purposes without formal factory approval.Marlow Pumps reserves the right to make changes in design, materials, and prices without notice.
TRASH HOG II — Long-Coupled
I Q571⁄2 47593⁄8
50607⁄8643⁄16 55605⁄8
50621⁄8657⁄16
55673⁄16
681⁄2 5768
561⁄2693⁄4711⁄16
581⁄2729⁄16
735⁄861
751⁄8761⁄2
651⁄278
791⁄466
801⁄4851⁄16
70869⁄16
8713⁄1671
8813⁄16
Spacer Coupling
DISCHARGE125 # DRILLING
A
K
B
FILLER
SUCTION125 # DRILLING
6 CLEAN OUT
T-DIA. (6)MTG. HOLES
F
H
L
M
N
D
J
I**
DISCHARGE
Q
PO
C**
P
J
Long Coupled — 46299
11
** These dimensions are based on open motors and may vary depending on motor manufacturer.
Marlow Pumps
HP RPM FRAME A* B C*40 850 365T 959⁄16 90 155⁄8100 1150 444T 1037⁄8 97 223⁄16
Trash Hog II Dimensions – Model 12 GA12EL
Dimensions in inches. Do not use for construction purposes without formal factory approval.Marlow Pumps reserves the right to make changes in design, materials, and prices without notice.* These dimensions are approximate depending on motor manufacturer.
With Bedplate — 44968 B
Bare Pump — 44967 B363⁄8 12 DISCHARGE
125# DRILING
161⁄2
12 SUCTION125# DRILING
6 CLEAN OUT
2 NPT PLUG
327⁄8
103⁄8
6 TYP
12 TYP
12 3⁄4 6 1⁄4
11⁄16 DIA(8) HOLES
31⁄2 333⁄4
31⁄2
133⁄16
105⁄16
711⁄16
6515⁄16
6 2 DIA 1⁄2 X 1⁄4
KEY SLOT
39
641⁄4
2 NPTPLUG
363⁄8 12 DISCHARGE125 # DRILLING
161⁄2
C*12 SUCTION125 # DRILLING
6 CLEANOUT
163⁄4
37
391⁄4
13⁄16 DIA (6) HOLES
7515⁄16
427⁄8
203⁄8 10
9
2
36 36
B
39
A*
12
6
Marlow Pumps
Typical Applications
• Sewage Lift Station
• Sump
• Waste Treatment
• Settling Ponds
• Waste Water
• Sludge
Waste Treatment
Sewage Lift Station
Settling Pond
Marlow Pumps1 Goulds DriveAuburn, NY 13021
© 1999 Goulds PumpsPrinted in USAMG2000
Printed on recycled paper.
Marlow Pumps
ITT Industries