101B_2004

101B_2004
BRONZE OR ALUMINUM
CLOSE COUPLED HELICAL ROTOR PUMP
MODEL
101
101B
PIPE SIZE 3/4
FEATURES
• All Bronze or Corrosion Resistant Aluminum
Construction
• Easily Mounted in Field to your own 56 Frame
Motor & 56C for explosion-proof motors
• Carbon Face Mechanical Seal
• Quiet Running
• Can Handle Contaminated Liquids
• Buna Stator and Stainless Steel Rotor
CHARACTERISTICS
The turning of the helical shaped rotor within the stationary stator creates a progressing cavity similar to a moving piston. Liquid is thus displaced generating a pumping
action. Unlike piston pumping, extremely high pressure
cannot be created because the stator is made of Buna N
and is flexible. Because of this flexibility contaminated liquids
can be handled.
Close fit of the rotor within the stator permits lifting of liquid
on the suction side as high as 20 ft. High starting torque motors
are recommended in order to overcome the high starting friction
of the stator. The pump is relatively quiet.
ROTATION
This helical rotor design demands a single rotation clockwise when facing the pump drive shaft. Pump rotation
and “in” and “out” ports are indicated on the dimension diagrams on reverse side.
MATERIALS OF CONSTRUCTION
These pump housings and mounting brackets are made
from cast aluminum or bronze alloy. The rotor is made from
stainless steel with a hard chrome plate for improved wear
properties. The stator is made from molded Buna N. The
mechanical seal is a carbon and ceramic mechanical rotary
face type for positive sealing.
ELECTRIC MOTOR MOUNTING
This pump is supplied close coupled to electric motor or as a
pump alone complete with attaching parts and instructions for
mounting. Any 56 frame electric motor (or 56C frame) with 5/8 inch
shaft diameter, 1725 R.P.M. and of horsepower rating as listed
above can be used. The motor can be rigid or resilient mounted,
sleeve or ball bearings, 50oC rise, capacitor start, counter-clockwise, rotation from shaft end. (For Gas Engine version, see models
111-UGY/111B-UGY)
LIQUIDS
The corrosion resistant alloys used are compatible with
common liquids including water, water solutions, oils and
many commercial chemicals. Severe solvents are not compatible with the Buna and should not be pumped.
CAPACITY - WATER 60O F 1725RPM
Pressure P.S.I.
Flow G.P.M. (Water)
Electric Motor H.P.
0
10
20
30
40
50
60
70
80
90
100
8 1/2
8
7 1/2
7
6 1/2
6
5 1/2
5
4 1/4
3 3/4
3 1/4
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
3/4
3/4
3/4
(FOR PERFORMANCE AT REDUCED MOTOR SPEEDS, SEE MODEL 121/121B)
www.oberdorfer-p
pumps.com
PHONE 800-4
448-1
1668; (315) 437-0
0361
FAX: 315-4
463-9
9561
MODEL
BRONZE OR ALUMINUM
HELICAL ROTOR PUMP
101
101B
PARTS LIST
ELECTRIC MOTOR MOUNTING
1
2
3
4*
5*
6
7
10*
Adapter
Drive
Universal
Seal
Body
Cover
Rotor
Stator
Bracket
Shaft
Joint
Assem.
1 Reqd
1 Reqd
1 Reqd
1 Reqd
1 Reqd
1 Reqd
1 Reqd
1 Reqd
101 J25
5871
5873
5872
5890
5891
5875
5874
32156
101 M07
5871
5873
5872
5890
5891
5875
5874
32156
101B J25
7213
6897
6896
5890
5891
5875
5874
32156
101B M07
7213
6897
6896
5890
5891
5875
5874
32156
* Repair Kit No. 10737 include these parts and compression plate tool for seal removal
20
21
22
23
24
25
26
27
Nut
Plug
Screw
Key
Stud
Acorn Nut Motor
Body
1 Reqd
2 Reqd
1 Reqd 14 Reqd 1 Reqd
4 Reqd
4 Reqd
4 Reqd
5873
5597
5908
5897
5912
6349
6351
5918
5873
5597
5908
5897
5912
6349
6351
5913
6897
5597
5908
5897
5912
6349
6351
5918
6897
5597
5908
5897
5912
6349
6351
5913
Pump No.
11
Ball
Bearing
1 Reqd
5884
5884
5884
5884
12
13
Foot
Collar
1 Reqd
5881
5881
5881
5881
1 Reqd
5886
5886
5886
5886
L
M
N
14
Retaining
Ring
1 Reqd
5885
5885
5885
5885
16*
17
18*
Gasket
Nut
Pin
19*
Pin
1 Reqd
5882
5882
5882
5882
1 Reqd
6350
6350
6350
6350
1 Reqd
5888
5888
5888
5888
1 Reqd
5889
5889
5889
5889
DIMENSIONS
Pump No.
101 J25
C
D
E
13/16 4 9/16 11 7/8
F
G
18 1/2
2 1/16
H
J
10 7/32 1 1/16
K
3
11/32 1 9/16 3 1/2
O
P
R
S
T
6 1/2
8 9/16
11/32
4 7/8
1 3/16
101B J25
2/04
www.oberdorfer-p
pumps.com
Specifications are subject to change without notice.
SYRACUSE, NEW YORK 13221
PHONE 800-4
448-1
1668; (315) 437-0
0361
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