Dragon Centrifugal Pump

Transcription

Inside Front Cover
Proper Pump Selecton
Careful selection and installation of the correct Dragon Centrifugal Pump will result in a unit that will provide longlasting and dependable service. Selecting a pump with excessive pressure capability means extra horsepower
expense. Centrifugal pumps have much different horsepower input characteristics than positive displacement
pumps. However, if the pressure requirements on the discharge side are indefinite, or if for some other reason the
discharge pressure is much lower than expected, the pump will handle considerably more fluid and require more
horsepower thanoriginally selected to drive the pump. A valve or flow restriction will then be required to increase
the discharge pressure and reduce the horsepower needed to drive the pump.
To assure proper pump selection, the following information is required:
1. Suction conditions:
A. Size of suction piping
B. Length of suction line
C. Flooded suction (positive)
D. Suction lift (negative)
2. Total discharge head required.
3. Rate of flow desired.
4. Type of driver desired and RPM (electric motor or engine)
5. Specific gravity or weight of fluid to be pumped.
6. Temperature of fluid.
7. Any information available as to the corrosiveness or abrasiveness of the fluid
to be handled.
Once this information is obtained it is used to calculate:
GPM = Rate of flow desired HD. FT. = Total dynamic head SP. GR. = Specific gravity of fluid
PUMP SIZE AND HORSEPOWER SELECTION FROM PERFORMANCE CURVES
Using the desired GPM and head feet, find the pump size and speed by looking at the performance curves.
Mark the desired operating point on the performance curve. This operating point may appear on more than one
curve because of different speeds and impeller sizes available. Use the variable speed curves for gasoline or
diesel engines. If an electric motor is to be used, remember the lower the RPM, the longer the service-life of the
pump. Now, decide on the curve that best suits the application of desired GPM, head feet, and RPM. This curve
will designate the proper pump size. Refer to the desired operating point and take an impeller size reading.
1. Select the impeller size:
A. For speeds of 1750 RPM and below read to the nearest i/i inch above the operating point.
B. For speeds above 1750 RPM, read to the nearest i/g inch above the operating point.
2. Calculate the required horsepower:
A. Read horsepower from curve at operating point on impeller (selected as accurately
as possible) then:
Brake Horsepower Required=Curve HPxSp.Gr. of Fluid
B. Alternate Method: Read Efficiency at the operating point.
Brake Horsepower =
(GPM) (Hd. Ft.) (Sp. Gc)
(3960) (Efficiency)
3. Calculate your systems NPSH available in feet:
NPSH available = P^ - Friction loss + Elevation - Vapor Pressure P^ = Absolute pressure above liquid in feet
of fluid Absolute Pressure = Gauge Pressure + Atmospheric Pressure Elevation = Distance from Surf ace of
liquid on suction side to center line of pump in feet (above +: Below -). Vapor Pressure = Vapor Pressure fluid
at pumping temperature in feet of fluid.
4. Read NPSH required from curve.
A. NPSH available must be equal to or greater than NPSH required or the pump will cavitate.
B. If NPSH required, is greater than NPSH available, consider:
(1) Using larger suction pipe to lower losses
(2) Raising the fluid level
(3) Oversizing the pump
(4) Lowering pump speed and increasing impeller diameter to meet the same operating point.
Start-Up and Operation
BEARING LUBRICATION:
All Dragon pump bearings are prelubricated when assembled. We use Mystic JT-6 HT #2 when assembling
and recommend that the same or a compatible NLGI #2 high temp be used. It is recommended that 5-10
shots of grease are injected into both the inboard and outboard bearing lubrication fittings at least monthly.
Pumps assembled with the optional oil lubrication should be checked regularly with the dipstick and refilled
with a good grade of non-detergent SAE 30 motor oil.
STUFFING BOX PACKING:
Most Dragon 250 pumps come standard with a mechanical seal and a back-up graphite packing in case of
seal failure. The back-up packing should be left loose until needed, after which the packing bland bolts should
be tightened slowly until the stuffing box drips 6-10 drips per minute. The packing should be greased daily.
PRIMING:
Vent air from suction line and pump housing to allow them
to fill completely with fluid while priming. For pumps with a
flooded suction, slightly open the discharge valve and fully
open the suction valve. This will allow the pump and suction line to fill completely.
START-UP:
Start the pump with the discharge valve about one third
open. After the discharge pressure stabilizes, gradually
open the discharge valve to the required position.
PUMP PERFORMANCE COMPUTATIONS:
To compute pump performance of variations from
pump curves use the following formulas: (Approximate)
CHANGE OF SPEED (RPM)
V2= V1 (R2/R1)
H2= H1 (R2/R1)2
P2 = P1 (R2/R1)3
CHANGE OF IMPELLER DIAMETER
V2= V1 (D2/D1)
H2= H1 (D2/D1)
2
P2 = P1 (D2/D1)3
CHANGE OF SPEED AND IMPELLER DIAMETER
V2= V1 (R2/R1) (D2/D1)
H2= H1 (R2/R1)2 (D2/D1)
2
P2 = P1 (R2/R1)3 (D2/D1)3
Dragon’s Mechanical Seal
Our Dragon Mechanical Seal manufactured in the USA.
It has a Tungsten Carbide rotating assembly, a 316
stainless steel cage assembly machined from solid stock
and a Silicone Carbide stationary for greater wear life.
It is completely interchangeable with most or the popular
pumps on the market.
V1= Old Volume
V2= New Volume
H1= Old Head Feet
H2= New Head Feet
P1 = Old Horsepower
P2= New Horsepower
R1= Old Speed (RPM)
R2= New Speed (RPM)
D1=Old Impeller Diameter
D2=New Impeller Diameter
Premium 118 Centrifugal Pump
Concentric housing design is available in right hand or left hand operation. It
reduces turbulence within the pump to minimize cavitation, shaft deflection,
and excessive wear. The semi open impeller is designed to handle water or
heavy slurries with equal efficiency. Replaceable wear plates protects the
pedestal from wear and corrosion caused by fluids being pump, therefore,
extending the life of the pump. The beefed-up frame design is stronger and
more rigid in all wear areas.It gives a larger work area to facilitate packing
the pump, which cuts repacking time. Heavy duty bearings are well protected by spring type oil seals and water slinger designed to keep fluid and dirt
out of the bearing cavity. Eccentric locks are used so the shaft can be easily
removed without special tools. The oil bath lubrication system is designed
with a larger oil reservoir, that provides free circulation of oil and better heat
dissipation for longer bearing life.
PEDESTAL, HOUSING & INSTALLATION DEMINSIONS
PUMP
SIZE
A
1 x 11/2 R&L
13
17/16 23/8
11/2
x 2 R&L
2 x 3 R&L
3x4R
B
C
23/8
D
F
H
K
41/4 35/16 261/4 31/8 47/8
13
17/16
13
17/16 23/8
51/2 35/16
13
17/16
65/8
23/8
G
35/16
5
35/16
263/4
27
281/2
31/2
L
M
N
P
R
71/2
7
41/4
7/8
1
7/8
11/2
2
45/8
71/16
7
41/4
33/4 51/2
73/4
7
41/4
7/8
7
41/4
7/8
41/4
5
8
3
S
T
W
X
11/2 (4)-11/16
6
12
2
(4)-11/16
6
12
3
(4)-11/16
6
12
4
(4)-11/16
6
123/4
FLANGE SIZES
PUMP
SIZE
PUMP
TYPE
(shaft
dia.)
SUCTION PIPE
DISCHARGE PIPE
SIZE
DRILLING
SIZE
DRILLING
1 x 11/2
11/8
1
4 Holes 5/8 Dia. 31/8 B.C.
11/8
4 Holes 5/8 Dia. 37/8 B.C.
11/2
11/8
11/2
5/8 Dia.
B.C.
2
4 Holes 3/4 Dia.. 43/4 B.C.
2x3
11/8
2
4 Holes 3/4 Dia. 43/4 B.C.
3
4 Holes 3/4 Dia. 6 B.C.
3x4
11/8
2
4 Holes 3/4 Dia. 6 B.C.
4
8 Holes 3/4 Dia. 71/2 B.C.
x2
4 Holes
37/8
PUMP SIZES
PUMP SIZE
& ROTATION
1X11⁄2 L
11⁄2 X2 R
2X3 R
3X4 R
MAX
IMPELLER
81⁄2”
81⁄2”
81⁄2”
81⁄2”
CAST IRON
MODEL NUMBERS
091-1100
091-1105
091-1110
091-1115
118 Pump Parts List Chart
Item
No.
1
2
3
4
5
7
Description
Qty Req
118 Pedestal
1
118 Bearing Cap
2
118 Bearing Cap Gasket
2
118 Bearing Assm.
2
118 Oil & Grease Seal
2
1 18 316-SS Shaft
1
118 416-SS Shaft
1
1 18 Ceramic Coated
416-SS Shaft
1
8
118 Graphite Packing
1
118 King Packing
1
118 Teflon Packing
1
9
118 Packing Gland
1
10 118 Gland Adjusting Bolt Assm.
2
11 118 Wear Plate Cast Iron
1
12 118-1X1. 5 LH Cast Iron Impeller
1
118-1.5X2 RH Cast Iron Impeller
1
11 8-2X3 RH Cast Iron Impeller
1
11 8-3X4 RH Cast Iron Impeller
1
13 118 Housing Gasket
1
14 118-1X1.5 LH Housing Assm. C.I.
1
118-1.5X2 RH C.I Housing Assm.
1
118-2X3 RH C.I Housing Assm.
1
1 18-3X4 RH C.I Housing Assm.
1
15 118 Housing Stud
8
15a 118 Housing Stud Nut
8
17 118 Impeller Key
1
18 118 Coupling Key
1
19 118 Shaft Lock Nut Assm.
1
Dragon
820-0120
820-0140
811-8025
820-0100
811-6020
820-0160
820-0180
Mission
E3768
3773A
10399-21-1
3944-1
3943-12
3769-4A
3769-21A
Halco
H3768
H3771A
H10399-2-1
H3944-1
H3943-12
H3769-4A
H3769-21A
Harrisburg
1-118-PED
2-118-BC
3-118-BCG
4-118-BA
5-118-OGS
7C-118-316SS
7-118-416SS
820-0200
811-7520
811-7525
811-7530
820-0240
820-0260
820-0280
811-0220
811-0240
811-0260
811-0280
811-8020
811-2120
811-2140
811-2160
811-2180
400-8001
405-2001
820-0320
820-0360
820-0380
17361-21G-7A
8264-11S-OBA
8474-1 1S-1 A
8264-flS-7A
8204-1 3A
A3701A
3762-1
4571 -XX-1
4571-XX-1
4575-XX-1
5710-XX-1
10399-19-1
N/A
G4576-1A
F4672-1A
F5162-1A
11907-82/3932-1
N/A
4372-1-4
4372-2-21
6209-7-4
H17361-21G-7A
H8264-11S-OBA
H8474-11S-1A
H8264-11S-7A
H8204-13A
H3701A
H3762-1
H4571-XX-1
H4571-XX-1
H4575-XX-1
H5710-XX-1
H10399-19-1
N/A
H4576-1A
H4672-1A
H5162-1A
H1 1907-82/3932-1
N/A
H4372-1-4
H4372-2-21
H6209-7-4
7A-118-416SSC
8A-118-PMSG
8C-118-PMSK
8D-118-PMST
9-118-GPA
10-118-GABA
11-118-WPC
1218142ICRXXX
1218142ICRXXX
121823ICRXXX
N/A
13A-118-HGF
N/A
14118142CHR
141823CHR
N/A
15-118-HSN
N/A
17-118-IK
17A-118-CK
18-118-LNA
21
811-9020
C3770A
H3770A
22-118-SRW
118 Water Slinger Ring
Note: XX or XXX Indicates Impeller Size
1
Premium 118 Series Charts
The concentric housing design reduces turbulence within the pump to minimize cavitation, shaft deflection, and excessive wear. The semi open
impeller is designed to handle water or heavy slurries with equal efficiency.
Replaceable wear plates protects the pedestal from wear and corrosion
caused by fluids being pump, therefore, extending the life of the pump. The
beefed-up frame design is stronger and more rigid in all wear areas.It gives
a larger work area to facilitate packing the pump, which cuts repacking time.
Heavy duty bearings are well protected by spring type oil seals and water
slinger designed to keep fluid and dirt out of the bearing cavity. Eccentric
locks are used so the shaft can be easily removed without special tools.
Premium 178 Series Parts
Premium 178 Series Parts
Item
No.
1
2
3
4
5
7
Description
Qty Req
178 Pedestal
1
178 Bearing Cap
2
178 Bearing Cap Gasket
2
1 78 Bearing Assm.
2
178 Oil & Grease Seal
2
178 316-SS Shaft F/ 2x3-5x6
1
178 416-SS Shaft F/ 2x3-5x6
1
178 Ceramic Coated F/ 2x3-5X6
1 78 316-SS Shaft F/ 6X8
178 416-SS Shaft F/ 6X8
178 Ceramic Coated F/ 6X8
8
178 King Packing
178 Teflon Packing
9
178 Packing Gland
1
10
178 Gland Adjusting Bolt Assm.
2
11
178 Wear Plate Ductile Iron
1
12
178-2X3 Ductile RH Impeller
1
13
178 Housing Gasket
2
14/15 178-2X3 Housing Assm. RH Duct
178-3X4 Housing Assm. RH Duct
22
178 Water Slinger Ring
Note: XX or XXX Indicates Impeller Size
Dragon
825-0125
825-0140
811-8045
825-0100
811-6040
825-0160
825-0180
825-0200
825-0220
825-0240
825-0260
811-7560
811-7565
811-7570
825-0280
830-0200
825-0320
811-0520
811-0540
811-0560
811-0580
811-0620
811-8040
811-2320
811-2340
811-2360
811-2380
811-2400
811-9040
Mission
L3785
3790
10399-23-1
3944-3
3943-14
3786-4A
4932-21 A
17238-21G-7A
1492.8-4A
14928-21A
17343-210-1 A
8264-17W-OBA
8474-1 7 W-7A
8264-17W-7A
7406-13A
A3701A
3779-30
4610-XX-30
4605-XX-30
4705-XX-30
4710-XX-30
5142-XX-30
10399-20-1
G4676-30A
F4644-30A
F4732-30A
F4742-30A
F5144-30A
C3787A
Halco
H3785
H3790
H10399-23-1
H3944-3
H3943-14
H3786-4A
H4932-21A
H17238-21G-7A
H14928-4A
HI 4928-21 A
H17343-21-1A
H8264-17W-OBA
H8474-17W-7A
H8264-17W-7A
H7406-13A
H3701A
H3779-30
H4610-XX-30
H4605-XX-30
H4705-XX-30
H4710-XX-30
H5142-XX-30
HI 0399-20-1
H4676-30A
H4644-30A
H4732-30A
H4742-30A
H5144-30A
HC3787A
Harrjsburg
1-178-PED
2-178-BC
3-178-BCG
4A-178-BA8
5-178-OGS
7A-178-316SS
7A-178-416SS
7B-178-416SSC
7F-178A-316SS
7C-178A-416SS
7D-178A-416SSC
8A-178-PMSG
8C-178-PMSK
8D-178-PMST
9-178-GPA
10-178-GABA
11B-178-WPD
1 27823 IRXXX
127834IRXXX
127845IRXXX
127856IRXXX
127868IRXXX
13A-178-HGF
147823DHA
147834DHA
147845DHA
147856DHA
147868DHA
20-178-SRW
The Dragon Premium 250 Centrifugal Pump
uses the latest design with many enhancements:
• The concentric housing is 35% thicker for extra strength and extended service life and
reduces the radial load of the bearings.
• The impeller is designed to reduce turbulence, eliminate recirculation, lower radial and thrust
load, and provide a smooth flow of fluids.
• The larger diameter shaft gives heavy-duty performance with minimum shaft deflection.
• An anti-loosening impeller lock bolt to eliminate pump damage in case of reversed polarity
motor hook-up.
• Brass labyrinth seals are used on both the inboard and outboard bearings to protect from
contamination and for longer seal life.
• Heavy-duty SKF outboard bearing assembly consists of a pair of angular contact bearings
with high thrust load rating and zero end play.
• The heavy-duty SKF inboard bearing is a double row ball-bearing with high radial load rating
to compensate for the larger size impeller and heavy-duty applications.
• The optional oil bath lubrication system is designed with a larger oil reservoir, which provides
free circulation of oil and better heat dissipation for longer bearing life.
• The mechanical seal has a tungsten carbide rotating assembly plus a 316 stainless steel
cage assembly with a silicone carbide stationary for greater seal life.
• All components of the Dragon Premium 250 centrifugal pump are 100% interchangeable
with other brands such as Mission, Halco, etc.
• Every Dragon pump or pump package is fully tested before shipment.
PEDESTAL, HOUSING & INSTALLATION DEMINSIONS
SIZE
DIMENSION
A
B
2x3x13
3x4x13
4x5x14
5x6x11
5x6x14
6x8x11
6x8x14
83/4
93/8
103/4
121/16
121/16
131/4
131/4
33/4
41/4
5
53/4
53/4
63/4
63/4
C
D
E
F
G
33
335/8
35
363/8
363/8
371/2
371/2
7
63/4
61/8
6
83/8
83/8
101/4
101/4
11
11
11
14
14
177/8
177/8
19
177/8
21
20
23
31/2
31/2
31/2
31/2
31/2
31/2
31/2
157/16
157/16
157/16
157/16
157/16
157/16
157/16
25/16
25/16
25/16
25/16
25/16
25/16
25/16
195/8
195/8
195/8
195/8
195/8
195/8
195/8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
13
13
14
11
14
11
14
H
J
K
M
N
Max Impellar Dia.
Max Impellar Dia.
Suction Size
Discharge Size
Weight- Lbs.
FLANGE
SIZE
2
3
4
5
6
8
6
6
6
7
8
10
8
10
3
4
5
6
6
8
8
2
3
4
5
5
6
6
430
440
490
520
550
610
630
I.D.
O.D.
B.C.
HOLES
SIZE HOLES
THICKNESS
2
3
4
5
6
8
6
71/2
9
10
11
71/2
43/4
6
71/2
81/2
91/2
113/4
4
4
8
8
8
8
3/4
5/8
3/4
3/4
3/4
15/16
7/8
15/16
7/8
1
7/8
11/8
PUMP SIZES
PUMP SIZE
2X3X13
3X4X13
4X5X14
5X6X11
5X6X14
6X8X11
6X8X14
MODEL NUMBERS
091-1180
091-1185
091-1190
091-1195
091-1200
091-1205
091-1210
MATERIAL
ROTATION
DUCTILE IRON
RH
DUCTILE IRON
RH
DUCTILE IRON
RH
DUCTILE IRON
RH
DUCTILE IRON
RH
DUCTILE IRON
RH
DUCTILE IRON
RH
MAX IMPELLER
13”
13”
14”
11”
14”
11”
14”
250 Pump Parts List Chart
Item
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16a
16b
17
18
19
20
21
22
23
24
25
26
27
28
30
31
32
33
34
Description
250 Pedestal
250 Shaft
250 Outboard Bearing Housing
250 Packing Gland
250 Inboard Bearing (Double Row)
250 Inboard Bearing Cover
250 Outboard Bearing
250 Outboard Bearing Cover
250 Mechanical Seal {Tungsten-Silicone}
250 Packing Gland Bolt Assy
250 Shaft Sleeve Stainless Steel
250 Shaft Sleeve Ceramic Coated
250 Mechanical Seal Stuffing Box
250 Packing Stuffing Box
2503X2X13 Impeller
2504X3X13 Impeller
2505X4X14 Impeller
250 6 X 5 X 11 and 8 X 6 X 11 Impeller
2506X5X14 Impeller
2508X6X14 Impeller
2503X2X13 Housing Assy
250 6X5X14 Housing Assy
250 Housing Nut
250 Housing Stud
250 Housing Gasket
250 Impeller 0-Ring
250 Shaft Sleeve 0-Ring
250 Inboard Brass Labyrinth Seal (Standard)
250 Inboard Bearing Shaft Oil Sea!
250 Inboard Exclusion Seal
250 Outboard Brass Labyrinth Seal (Standard)
250 Outboard Bearing Shaft Oil Seal
250 Outboard Bearing Cover Gasket
250 Outboard Bearing Housing 0-Ring
250 Outboard Bearing Cover 0-Ring
250 Bearing Lock Nut
250 Bearing Lock Washer
250 Impeller Lock Bolt
Grease Zert
Stuffing Box Bolt
250 Pedestal Breather/Vent
250 4 X 3 X 13 Housing Wear Pad
250 Shaft Key (3/8)
Quanity
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
12
12
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Dragon #
830-0120
830-0140
830-0160
830-0180
830-0100
830-0220
830-0110
830-0240
811-6090
811-7600
830-0200
830-0260
830-0280
830-0320
830-0300
811-0720
811-0760
811-0800
811-0820
811-0840
811-0880
811-2520
811-2540
811-2560
811-2580
811-2600
811-2620
811-2640
405-4001
400-8021
811-8060
811-7020
811-7025
811-6075
811-6065
811-6070
811-6080
811-6060
811-8065
811-7030
811-7035
830-0380
830-0400
830-0402
1
1
1
1
1
1
1
1
1
400-2003
830-0405
811-2545
811-2565
811-2585
811-2605
811-2625
811-2645
Mission
20618-12-1
20612-02-33
20624-01-01
20622A
20615-1
20626A
20616-1
20617A
22451
3701A
20943-21A
20613-21G-7A
22223-01-30A
20614-01-30
19204-XX-30
19206-XX-30
19224-XX-30
19121-XX-30
19121-XX-30
19116-XX-30
19203-01-30A
19205-01-30A
19222-01-30A
19122-01-30A
19123-01-30A
19763-01-30A
19117-01-30A
3932-61
3862-76
10399-46-1
19110-72
23444-01-72
NOV
644302499
646490557
644308504
641103338
648408102
641103361
648408201S
641103296
648414357
661007005
601102494
641102182
641102181
641116157
643365042
641101753
641101902
641102058
641101456
641101605
641102157
641101308
648402014
648401115
648403012
648405082
648415156
20619-01
20620-01
648408300
648408409
20619-02
20625
7496-253
7496-26
6123-4A
6124-4A
648408359
648408706
648402295
72200017
648402055
648402105
7415648
3861-117
8267-01
648401016
601473689
4372-5-21
601212392
Pump Skid Packages
Electric motor pump packages with electric motors from 1-200hp in direct
couple or belt-drive configurations.
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Series 250 6 x 5 x 11 Electric Unit
10 1/2” Impellar
Casing Wear Pad
Mechanical Seal Tungsten Carbide
SKF Premium Bearings
Labyrith Bearing Oil Seals
50HP @ 1750 RPM Motor
230/460-3-60 Explosion Proof
Motor Starter 50HP Sprecher
SCHUH 3 Phase Motor Control
• Woods Couplings
Dragon 3X2 Oil Lubed Pump with a Kubota DG972-E2 Natural Gas Engine
Murphy Cascade Control Panel and a Heavy Duty Galvanized Skid.
Pump Skid And Trailer Packages
Diesel Engine pump packages with Deutz, John Deere, and Detroit
engines from 50-250hp.
• Series 250 8 x 6 x 14
• 11” Impeller
• Replaceable Casing Wear Pad
• Mechanical Seal Tungsten Carbide
• SKF Premium Bearings
• Labyrinth Bearing Seals
• 173HP Deutz Diesel Engine
Model TCD914L6
• Twin Disc PTO
• Deutz Instrumentation
Panel
• Dodge Couplings
Diesel Unit shown with
optional Manifold
Vacuum Prime Assist Pumps with
Diesel Engines from 75-300hp.
• 6X6 Vacuum prime assist pump
• 75 HP Deutz engine
• Heavy Duty skid/trailer with
removable axle and tongue.
• Removable lifting cage
• Hot-dipped Galvanized
Starters And Electric Motors
Motors- Dragon carries a full inventory of TEFC and
Explosion-Proof motors from1-200hp and 1200, 1800,
and 3600rpm. Motors are US made by Baldor and
Reliance.
Starters- Dragon carries a full inventory of
TEFC and Explosion-Proof starters from 200HP
by Sprecher&Schuh and Siemens.
Mud Hoppers- Rigid steel construction, the hoppesr are
designed to provide optimum mixing results. They are low profile
for easy “sack to hopper” transfer and available in 4” and 6” orifice. Equipped with jet nipple, bushing, tee and a valve that has
intermediate settings to regulate the feeding rate.
Venturi tubing is included with every unit.
Mud Guns- The Dragon Mud Gun is designed for submerged
service in pits and is available in a 3” size low-pressure gun. This
unit is intended for high volume service, such as mud mixing systems that employ centrifugal pumps. All Dragon Mud Guns are
available with 360°rotation handles, which aid the swivel joints.
For reducing the amount of solid buildup in tank corners, Dragon
Mud Guns are highly effective. They also produce flow currents,
which boost fluid movements and aid in the suspension or mixing
of particles. In addition, Mud Guns can create an alternate product
flow when used in conjunction with agitators. Available in one and
two gun configurations.
Agitators
Dragon Agitators are constructed to
handle the harsh oilfield environment.
Keyless-No Key Ways or
Key Stock needed.
All agitators come with:
• Nord brand nominal 30:1
gear box, constructed with
ultra-tough cast-iron.
• Tapered roller bearings on
the output shaft to handle the
highest thrust loads.
• Nema C face input for the
electric motor.
Our agitators features the new dacromet coated corrosion
resistant keyless coupling for easy installation and impeller
adjustment. The units come complete with base plate, motor,
gearbox, impeller, shaft and couplings. Available in all sizes.
Road Crossing Manifolds
• Stackable for easy storage and transport
• Four heavy duty “D” lifting rings
• Angled approach ramps
• Constructed from 1/4” steel wall material
• 3” x 6” rectangular crosstubing
• 150# Flange inlet/outlet
• Hot dipped galvanized to prevent corrosion
and rust for longer production life
Four Sizes to choose from:
8” Flange x 12 feet
Dragon Custom Pumps
Let one of our Pump Specialist help you to
design and build a custom system to suit
your production needs. Combined with our
Design Engineers, you will get a quality
built product backed by experience, parts
and a on-site service team. All systems are
manufactured in the USA.
About Dragon Pumps
Our Pump packages are custom fabrication
to meet our customers specific needs in the
Petrochemical, Shipping, Drilling, Agricultural
and Minning industries. All Dragon pumps
and packages are assembled and tested at
our manufacturing plant in Liberty, Texas. All
internal pump parts such as bearings, shafts,
and mechanical seals are from the highest
quality parts andmaterials made in the USA.
We also refurbish and repair pumps and
have a full stock of replacement parts for our
pumps which are 100% interchangeable with
other popular pumps on the market.
Inside Back Cover

Dragon Centrifugal Pump

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