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CHEMSTEEL
SERIES
R104
METALLIC
OBERDORFER PUMPS
A Subsidiary of Thomas Industries Inc.
CHEMSTEEL SERIES R104 METALLIC
PERFORMANCE
A full range of accessories are available including:
• close coupled mounting kits
• baseplate/pedestal mounting kits
• line mounted pressure relief valves
GENERAL DESCRIPTION
Chemsteel pumps are designed to handle common and highly corrosive liquids that must be
pumped under pressure. Manufactured to
extremely precise tolerance, the Chemsteel
pump line prevents system contamination while
maintaining the purity and integrity of the liquid
being pumped. Its rugged, three-section, o-ring
thru-bolt construction provides ease of servicing
and parts replacement.
Helical gearing offers noise reduction by as much
as 10db, while the tandem pumps double the output flow for a single fluid, or with isolation, handle
other fluids in direct ratio to the first.
Additionally, Chemsteel pumps offer bi-directional operation for applications requiring reversing
LIFE CYCLE/COST OF OWNERSHIP
Pump design and materials selection,together provide the longest life available from a gear pump.
Key attributes include:
- Gear & bearing combinations of metallic and
nonmetallic wear surfaces.
- Slotted bearings to lubricate shaft and gear
surfaces.
- Hydraulic porting to balance axial thrust
and to reduce wear.
- Ample port sizing to reduce the likelihood of
cavitation when inlet pressure is marginal.
- Effective housing seals with elastic memory
prevent leakage of corrosives.
www.oberdorfer-p
pumps.com
Notes: For continuous service:
Plastic / Plastic gear combinations are limited to 50 psi.
Metal / Plastic gear combinations are limited to 100 psi.
Metal/Metal gear combinations are limited to 150 psi.
Horsepower requirements increase for viscous fluids.
SPECIFIC SOLUTIONS
Gear/bearing design allows for “trimming” for optimizing
the pump’s maximum flow to reach minimum turndown
or to match flow to a specific OEM’s requirement.
Special materials combinations are available for specific
liquids:
- Stainless or Alloy C housing construction.
- Gears available in 316stainless and Alloy C
Also in Teflon® and PEEK®.
- Shafts are 316 stainless steel or Alloy C.
- Bearings available in carbon or Teflon®.
Full range of seal options including lip seal, packing and
mechanical design.
FIT
Connections are 1/2” female NPT or BSPT, pump hardware is metric and close couple adapters mount to both
NEMA and IEC standard motor frame sizes for world
wide acceptance. “Near” dimensional interchangeability
offers easy upgrade to Chemsteel pump. The port size
is the same as competitive pumps.
PHONE 800-4
448-1
1668; (315) 437-0
0361
FAX (315) 463-9
9561
MAINTENANCE
A three-part housing provides easy disassembly and service. Full size bearings match the gear diameter, and
eliminate the need for separate wear plates. TFE encapsulating silicone o-ring pump housing seals provide elastic memory to assure an effective long lasting seal and
thus avoiding the re-torquing required of pumps using
pure TFE. The upper shaft configuration lends itself to inline pump seal maintenance without the leakage of
trapped chemicals from an incompletely drained pump.
MODEL
maximum flow (gpm) @1750 rpm
theoretical displacement (cc/revolution)
maximum differential pressure (psig)
maximum system pressure (psig)
maximum speed (RPM)
maximum fluid temperature
minimum fluid temperature
standard port size
weight (lbs)
To order a CHEMkit®, simply add a “K” to the end of the model number. A repair kit contains
the following parts:
seals, bearings, gears, o-rings, shafts, keys, c clips, and retaining ring.
R104
2
5.7
150
300
1800
450° F
-50° F
1/2 inch FNPT
4
CLOSE-COUPLED DIMENSION
adapter
code
kit
part no.
motor
frame
C1
M1AD56
56C
1
INCHES
MILLIMETERS
C3
M1AD71E
IEC 71, B14 FACE
INCHES
M1AD80E
IEC 80, B14 FACE
INCHES
1
1
1
2E
2F
H
O
AP
XO
AA
AB
AC
AD
3.50
4.88
3.00
ø.34 SLOT
6.88
6.63
2.25
6.55
7.93
16.31
_
9.11
88.9
124
76.2
ø8.6 SLOT
174.8
168.4
57.2
166.4
201.4
414.3
_
231.4
2.80
4.41
3.54
ø.28 SLOT
5.14
4.69
_
6.05
7.43
16.74
4.00
7.82
71
112
89.9
ø7 SLOT
130.6
119.1
_
153.7
188.7
425.2
102
198.6
3.15
4.92
3.94
ø.39 SLOT
6.00
5.69
_
6.05
7.43
16.97
4.51
8.02
80
125
100.1
ø10 SLOT
152.4
144.5
_
153.7
188.7
431
116
203.7
MILLIMETERS
C4
1
D1
MILLIMETERS
AE
1 These dimensions vary depending on hp, enclosure, speed and motor manufacturer.
Specifications are subject to change without notification.
PEDESTAL MOUNT DIMENSIONS
A
inches
millimeters
0.50
B
0.38
9.5
Mechanical
C
Pack 2
Lip
0.92
23.4
0.72
18.3
1.25
31.8
D
E
F
G
H
J
Diameter
5.36
136.1
4.00
101.6
3.69
93.7
0.63
16.0
1.25
31.8
0.28
7.1
L
M
N
O
P
R
2.69
68.3
2.69
68.3
0.22
5.6
2.25
57.2
2.88
73.2
1.41
35.8
K
Standard drive Lower drive
1.88
47.6
0.95
24.0
2.Dimension is approximated with packing nut installed
6/05
Teflon® is a registered trademark of DuPont, an equivalent fluoropolymer may be used.
Ryton® is a registered trademark of Chevron Phillips Chemical, an equivalent polyphenylenesulfide may be used.
PEEK® is a trademark of Victrex, an equivalent polyetheretherketone may be used
www.oberdorfer-p
pumps.com
*Standard Upper Drive Shown
PHONE 800-4
448-1
1668; (315) 437-0
0361
CH-SP104
FAX (315) 463-9
9561
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