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Grunfos multi-stage pump slow wire mechanical seal, suitable for SPK2/4/8/16
Technical Parameters
Temperature | -30℃~+200℃ |
pressure | ≤2Mp a |
Speed | ≤10m/s |
Medium | water |
Materials
Rotary Ring | SiC/VIT |
Stationary Ring | SiC/VIT |
Spring | SUS304/SUS316 |
Stationary Seat | SUS304/SUS316 |
Secondary Seal | Fkm/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