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551 Crane Hot Oil Pump Medium Mechanical Seal ROTEN-2-43-X Graphite Stainless Steel

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551 Crane Hot Oil Pump Medium Mechanical Seal ROTEN-2-43-X Graphite Stainless Steel

Country/Region china
City & Province guangzhou guangdong
Categories Organic Acid
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Product Details

 

 

                               

 

 

Basic characteristics:

Structure: single end
Pressure: low pressure
Speed: normal speed
Temperature: normal temperature
Characteristics: wear-resistant
Standards: DIN24960, ISO3069, GB6556
Model: 551, BT-RN
Balanced: unbalanced
Shaft diameter range: 10 mm to 50 mm

Detailed Product Description:

K551 taper spring mechanical seal is used for water pump, temperature control pump, vacuum pump, heat exchange oil pump and other equipment.


Structural features: single end, non-equilibrium, conical spring, fixed rotation, spring driven mechanical seal. The mechanical seal has simple structure, strong universality, good spring compensation force and stable performance.

Executive standards: DIN24960, ISO3069, GB6556


Application: widely used in water pump, temperature control pump, vacuum pump and heat exchange pump. It is mainly used in leather, wastewater treatment, plastics and food machinery industries. This product can replace John Crane Type 551 and Igor Bergm BT-RN mechanical seals.

Operating parameters:

Working pressure: no more than 0.8 MPa

Operating temperature: - 20~180 º C

Linear speed: no more than 10 m/s


Material:

Moving ring sealing face: SS316L/silicon carbide/tungsten carbide

Sealing surface of stationary ring: graphite/silicon carbide/tungsten carbide

Auxiliary seal: nitrile rubber/fluorine rubber/ethylene propylene diene monomer/polytetrafluoroethylene/perfluoroether rubber

Spring: SS304/SS316

Metal parts: 410S/SS304/SS316/SS316L

Medium: oil, water, weak acid, weak base and some organic solvents.



Customizable: Contact us to provide your customization requirements.


 

 


 

 

 
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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