Download Operating Instructions Rotary Gear Pumps Models

Rotary Gear Pumps 51-551
1.
General
This manual includes all necessary information required during installation, operation and maintenance. It Should
be read prior to commencing installation and operation. It is absolutely necessary to store the manual within reach
of the pump.
In additional to this manual, the operating instructions of the motor should be read and always be kept within reach
of the pump.
1.1.
Usage
Pumps described in these operating instructions are capable of pumping lubricating liquids. All liquids must be non
- corrosive for the used materials (see section 1.3).
Should you require any additional information regarding the pump, contact Scherzinger Pumpen GmbH & Co. KG,
Scherzinger Pump Technology Inc. or their local authorized distributor. Please state the pump model and the date
of manufacture in your correspondence.
1.2.
Pump Model Designation
This manual is valid for the lubrication pumps 51, 76 102, 151, 251, 351, 451 and 551 beginning with the year
1998, manufactured by Ernst Scherzinger GmbH & Co KG, 78120 Furtwangen, Germany.
The date of manufacture is stamped on the casing. The first letter marks the year of manufacturing, the following
number the month of manufacturing. To determine the year, we started in 1997 with the letter F was used (G:1998,
H:1999, I:2000, etc.).
The bottom line of this manual shows the issue and date of issue of this operating instruction.
All the described motor pumps in these operating instructions conform with valid EG - laws and are allowed to
carry the CE symbol.
1.3.
Pump Data
Max. Operating Pressure (outlet side)
Max. System Pressure (inlet side)
Max. Suction
Max. Pressure Rise
Flow Rate at 1400 RPM, 50mm²/s
and 2 Bar Pressure Rise
Storage Temperature
Operating Temperature
Viscosity Range
Speed Range
Seite 3 / 3
30 Bar (435 psi)
0,2 Bar (3 psi)
20 Bar (290 psi)
25 Bar (363 psi)
-0,4 Bar (-6 psi)
-0,8 Bar (-11,5 psi)
30 Bar (435 psi)
10 Bar (145 psi)
30 Bar (425 psi)
Size
51
Size
76
Size
101
Size
151
Size
251
Size
351
Size
451
Size
551
+10 to +50°C (50 to 122°F)
-20 to +80°C
(-8 to 176°F)
-10 to +160°C
(-8 to 320°F)
-20 to +100°C
(-8 to 212°F)
-20 to +60°C
(-8 to 140°F)
2 to 3000 mm2/s
100 to 1800 RPMn
(with Lip Seal Ring)
(with Magnetic Drive)
(with Packing)
(with Lip Seal Ring)
(with Magnetic Drive)
(with Lip Seal Ring)
(with Magnetic Drive)
(with Packing)
2,8 l/min (0,73 GPM)
3,7 l/min (0,96 GPM)
5,2 l/min (1,35 GPM)
7,6 l/min (1,97 GPM)
16 l/min (4,16 GPM)
26 l/min (6,75 GPM)
43 l/min (10,9 GPM)
69 l/min (17,9 GPM)
(Seals Buna N)
(Seals Viton)
(Seals PTFE)
(Seals EPDM)
Pumpenfabrik Ernst Scherzinger GmbH & Co. KG • Bregstr. 23-25 • 78120 Furtwangen/ Germany
Tel.: +49 (0) 77 23 – 65 06-0 • Fax: 65 06-40 • E-Mail: [email protected]