EMU is a direct replacement for the older-generation „EBNS O.E.M. seals. Newer pumps have
a slightly modified seal installed, which is directly replaced by the Vulcan Type EMU. Please check the outer
dimensions of the seat housing for correct identification, utilising the table below, D3 dimension.
Type 1640 is available as complete mechanical seal assemblies or in repair kit form. The kits comprise both
stationary faces, with ÊOÊ-Rings, central rotary with elastomer diaphragm, anti-rotation pins and springs for
stationaries, and retaining pins for the collets. Specify .
| Size d | D1 | D2 | D3 | L |
| 35 | 47.0 | 72.0 | 72.0 | 47 |
| 50 | 63.0 | 90.0 | 92.0 | 52 |
| 75 | 95.0 | 128.0 | 130.0 | 75
|
Technical Parameters
| Temperature | -30℃~+180℃ |
| pressure | ≤1.2Mp a |
| Speed | ≤12m/s |
| Medium | Chemical raw materials |
Materials
| Rotary Ring | SIC CAR CE TC |
| Stationary Ring | SIC CAR CE TC |
| Spring | SUS304/SUS316 |
| Stationary Seat | SUS304/SUS316 |
| Secondary Seal | VITON/EPDM |
| Rotary Ring Holder | SUS304/SUS316 |
Preperation:
1. Shaft Outside Diameter is within tolerance +-0.05mm
2. Shaft run out <0.1mm
3. Shaf end float <0.13mm
4, No sharp edges on the shaft over the o ring
Note:
During the installation,don't scratch or damage the o ring.lf anything is damaged,please contactwith Us to replace a new one.
Installation in strucstions:
1. The full set of cartridge seal is cleaned and exactly passed leakage examine before sale.Inorder to avoid damage,don't disassemble and clean the parts again before fixing.
2 The fitting allowance between the seal and shaft is dl h6 0.8,and there should be leading-inedge at the end of shaft.The outside diameter of shaft at the position of screw should be 01 0.2mm smaller,resisting the screw over-tighten.Lubricate the shaft with oil
3. Place the cartridge seal into the pump chamber,then:
A: Tighter four screw bolts of flanges,ensuring the medium leading in hole"G"at the top Position
B : Tighter four set screws and position the shaft sleeve on the shaft.
C: Remove four gauge plates.Please keep them and they wil be used in future installation and
disassemble.
D: Connect the medium lead_in pipe with hole"G"in order to flush away the friction heat and
flushing the seal chamber when pump running.
Note:
ter complete the installation,turning the shaft by hand to check for the rotationi he shat could not rotate smoothily,seal had been improperly installed.
We would like lo sincerely ooperale with Clients to supply high qually products and senice We beleve in establishing a long:erm cooperalive relalionshipis lhe key to suceess
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German Sewage Containerized Wilo Pump Mechanical Seal company EMU-35/50/75mm Images
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