Gold Member Since 2014
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Saisi Mechanical Seal Co., Ltd.

John Crane Type 21, Type 21, Mechanical Seal manufacturer / supplier in China, offering John Crane Type 21 Mechanial Seal, Mechanical Seal Burgmann Type LP-D, Burgmann H3B Replacement/Mechanical Seals Mechanical Seals for Pumps, Pusher Seals and so on.

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Supplier Homepage Product Elastomer bellows mechanical seal John Crane Type 21 Mechanial Seal

John Crane Type 21 Mechanial Seal

Purchase Qty.:
(Pieces)
1-19 20+
FOB Unit Price: US $20 US $2
Purchase Qty. (Pieces) FOB Unit Price
1-19 US $20
20+ US $2
Get Latest Price
Port: Shanghai, China
Production Capacity: 50, 000sets/Year
Payment Terms: T/T, D/P, Western Union, Money Gram

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Basic Info
  • Model NO.: SS-Type 21
  • Trademark: Saisi Seal
  • Specification: CE; RoHS
  • Standard: Standard, Nonstandard
  • Transport Package: Wooden Box or Carton Box Upon The Order
  • Origin: Zhangjiagang, Jiangsu
Product Description
SS-Type 21
Structure Description:
Rubber bellows design
Equivalent to John crane type 21/AES P04/AES P04T
 
 
Operating Limits:
 
Temperature:-40°F to 400°F/-40°C to 205°C (depending on materials used)
Speed: 13m/s
Pressure: 11bar
Standard size: 0.275-1''
 
 
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 Mechanial Seal


 

 
 
SS-Type 21
Size(Inch)D1D3D4L3
0.2500.2500.718 0.8430.625
0.3750.3750.812 0.937 0.812
0.5000.5000.937 1.187 0.812
0.6250.6251.062 1.187 0.875
0.7500.7501.187 1.312 0.875
0.8750.8751.312 1.437 0.937
1.0001.0001.687 1.937 1.000
1.1251.1251.812 2.062 1.062
1.2501.2501.937 2.187 1.062
1.3751.3752.062 2.312 1.125
1.5001.5002.187 2.437 1.125
1.6251.6252.500 2.750 1.375
1.7501.7502.625 2.875 1.375
1.8751.8752.750 3.000 1.500
2.0002.0002.875 3.187 1.500
2.1252.1253.000 3.312 1.687
2.2502.2503.125 3.437 1.687
2.3752.3753.250 3.562 1.812
2.5002.5003.343 3.687 1.812
2.6252.6253.500 4.000 1.937
2.7502.7503.750 4.125 1.937
2.8752.8753.875 4.375 2.062
3.0003.0004.000 4.500 2.062
3.1253.1254.125 4.750 2.187
3.2503.2504.250 4.875 2.187
3.3753.3754.500 5.250 2.187
3.5003.5004.625 5.375 2.187
3.6253.6254.750 5.500 2.312
3.7503.7504.875 5.625 2.312
3.8753.8755.000 5.750 2.437
4.0004.0005.125 5.875 2.437
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Mr. Bob Cai
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