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John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement

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John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement
John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement

Large Image :  John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement

Product Details:
Place of Origin: China
Brand Name: KALU
Model Number: KL-E21
Payment & Shipping Terms:
Minimum Order Quantity: 1 piece
Price: Negotiation
Packaging Details: carton
Delivery Time: 10 days
Payment Terms: T/T, Western Union
Supply Ability: 1000 pcs
Detailed Product Description
Model: KL-E21 Standard Or Nonstandard: Standard
Keywords: John Crane Type 21 Mechanical Seal Size: 0.25"-4.0"
HS Code: 8484200090 Temperature: -20--120℃
Seal Ring: Carbon , Ceramic, Sic, Ssic, TC Secondary Seal: NBR, EPDM, Viton
Spring And Metal Parts: SS304,SS 316 Place Of Origin: Zhangjiagang,China(mainland)
Balance: Balanced
High Light:

mechanical seal replacement

,

mechanical pump seals

 

Mechanical Seal John Crane Type 21 Elastomer Bellows Seal replacement

 

STRUCTURE DESCRIPTION

Replacement of John Crane Type 21, rubber bellow design.

 

Operating range:

Temperature: -20--120℃

Speed: 15m/s.

Pressure: 10bar

Standard size: 0.5-4.0"

 

Material:

Seal ring: Car, Sic, Ssic, Ceramic, TC

Secondary seal: NBR, EPDM, Viton etc.

Spring and metal parts: 304, 316, HAST.C

 

 

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement 0

Size/Inch d D3 D31 D6 D7 L3 L4
0.500 12.7 24.00 22.80 19.05 25.40 20.62 7.95
0.625 15.8 26.70 26.70 23.80 31.75 22.23 10.31
0.750 19.0 31.20 30.40 26.97 34.93 22.23 10.31
0.875 22.2 33.55 33.40 30.15 38.10 23.80 10.31
1.000 25.4 43.20 39.30 33.32 41.28 25.40 11.10
1.125 28.5 46.50 42.00 36.50 44.45 26.97 11.10
1.250 31.7 49.50 45.80 39.70 47.63 26.97 11.10
1.375 34.9 52.70 49.30 42.85 50.80 28.58 11.10
1.500 38.1 56.00 52.80 46.05 53.98 28.58 11.10
1.625 41.2 62.20 55.50 50.80 60.33 34.93 12.70
1.750 44.4 66.00 61.00 53.97 63.50 34.93 12.70
1.875 47.6 66.00 64.00 57.15 66.68 38.10 12.70
2.000 50.8 73.00 66.00 60.33 69.85 38.10 12.70
2.125 53.9 73.50 71.50 60.33 76.20 42.85 14.27
2.250 57.1 79.60 79.60 61.90 79.38 42.85 14.27
2.375 60.3 82.00 79.60 65.10 82.55 46.05 14.27
2.500 63.5 85.00 81.50 68.25 85.73 46.05 14.27
2.625 66.6 88.50 84.60 71.42 85.73 49.20 15.88
2.750 69.8 92.40 90.00 74.60 88.90 49.20 15.88
3.000 76.2 102.00 96.80 80.95 98.43 52.37 15.88

 

 

Delivery:
1. If the products we have in store, we will send it out ASAP after receiving payment.

2. If the products which were customized, we will complete the production within a specified period of time, and send it out the first time.
3. Also we can send by your delivery acount if you want.
4. We have a variety of ways to send goods, usually DHL, Fedex, TNT, UPS will be normal ways. If you require use of a courier, please inform us in advance.

 

Factory tour:

 

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement 1

 

We also supply repair service:

 

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement 2

 

Packing:

 

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement 3

Quality control:Dimension and material checking;Optical flat test;leakage test

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement 4

 

Fixing and Applying Directions of Mechanical Seals


1) Select Appropriate mechanical seal to match the materials according to work conditions and host machine equipment.
2) The radial acting deviation for the shaft(shaft sleeve) of the installed mechanical seal shall be 0.04mm by maximum
while the axial movement value of the rotor shall be no more than 0.1mm.
3) The seal cover (or shaft cover) of the stationary ring of the installed mechanical seals,the vertical degree of the seal
face should be 0.04mm by maximum.
4) When installing the mechanical seals,the shaft(shaft sleeve),seal chamber,seal face as well as the mechanical seal
must be cleaned in order to keep from any medium to sealing part.
5) When conveying medium of over high or low temperature,with medium which are easy catch fire,easy for explosion.
Related mechanical seal standards must be referred to take appropriate measures such as quench,rinsing,coolong and
filtrating.
6) Appropricate lubrication must be choosen when mechanical seal is installed.The installment size of the mechanical
seal must be guaranteed to the installment instruction.
7) Before the machine starts running,the hermetic compartment shall be full of medium and well lubricated.Dry friction
which may lead to the damage of the air-tightness is strict forbidden.

 

John Crane Type 21 Mechanical Pump Seals Elastomer Bellows Seal Replacement 5

Our product includes Spring pusher seals,Rubber bellow mechanical seals,PTFE bellow mechanical seal,Metal Bellow Seals,Cartridge Seals,Mixer and Agitator seals,Dry Gas Seals.Besides, we can also supply spare parts with material silicon carbide, Tungsten carbide, Carbon ,Ceramic,rubber and stainless steel.

Our products are widely used in petroleum, chemistry, refinery, paper making, food,pharmaceutical, textile,power,marine...

 

Any questions,please contact us freely.We are always here for you!

 

Contact Details
KALU INDUSTRY

Contact Person: ALICE

Tel: +8617798671282

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