OEM Supply China High Temperature Mechanical NBR FKM Seal

Short Description:

Perfluoroelastomer(FFK)is synthetic elastomer, without -H linkage. This kind of ruber, which can effectively work under the max temperature of 327℃ and bear corrosion of any chemical mediator, has perfect tolerance to oil, chemical& heat.
Fluocarbon linkage is the main reason tohigh stability perfomance. The refractory compression permanent deformation performance of Peiluoroelastomer is superior of that of Viton. t is widely used in semiconductor manufacture, petrochemical,gas extraction, medical food and aerospace industries because of the champion nature.


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We’re convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for OEM Supply China High Temperature Mechanical NBR FKM Seal, We’re looking ahead to creating long-term enterprise associations along with you. Your reviews and recommendations are remarkably appreciated.
We’re convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for China Mechanical Seal, Rubber Seal, We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products’ quality, you can return within 7days with their original states.

Dupont-Kalrez

Property

Unit

Kalrez 6375

Kalrez 4079

Tensile Strength @ Break

Mpa

15.1

16.9

kgf/cm Modulous @100%

154Mpa

172/7.2

7.3

kgf/cm2

73.4

74

/

Elongation percentage@ Break

%

160

150

Hardness

HS

75

75

Heat Resistance Temperature

X)

275

316

70 hr in room temperature

/

/

22

70 ht ar 2041:

/

30

25

China -FFKM

Property

unit

 

Hardness

HS

72

Tensile Strength @ Break

Mpa

20

Enlogation Percentage @ Break

%

175

Modulous @100%

Mpa

10.5

Heat Resistance Temperature

P

270P

70 hr in room temperature

/

19

70 hr at 204 °C

/

49

Installlation nstructions

Preservation:
1 Shaft outside diameter is within tolérance 0 comm
2.Shaft run out<0.1mm
3.Shat 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 . if anything is damaged , please contact with our local agents to replace a new one.

Installation in structions:
The full set of cartridge seal is cleaned and exactly passed leakage examine before sale.In order 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”Gat 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 will be used in future installation and dissassembl.
    D Connect the medium lead-in pipe with hole”Gin order to flush away the friction heat and flushing the seal chamber when pump running.

Note:
After complete the installation, turning the shaft by hand to check for the rotation. If the shaft could not rotate smoothly, seal had been improperly installed.


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