Johncrane Type 21T Mechanical Seals

Johncrane Type 21T Mechanical Seals

Elastomer bellow mechanical seal SRS-E21T, can be replaced of Johncrane 21T. Suggested operating limits Temperature: -20 - 120℃ Speed: ≤15m/s Pressure≤1.0Mpa Combined material Rotary face: Carbon/Sic/TC Stat Ring: Ceramic/Sic/TC Seat Type: Standard SRS-S11, Alternative SRS-S20/S21. Our...

Send InquiryChat Now
Product Details

Elastomer bellow mechanical seal SRS-E21T, can be replaced of Johncrane 21T.


Suggested operating limits

Temperature: -20 - 120℃

Speed: ≤15m/s

Pressure≤1.0Mpa


Combined material 

Rotary face: Carbon/Sic/TC

Stat Ring: Ceramic/Sic/TC


Seat Type: Standard SRS-S11, Alternative SRS-S20/S21.

SIZE/INCHdD3D31D6D7L3L4
0.500 12.70 24.00 22.80 19.05 25.40 20.62 7.95 
0.625 15.80 26.70 26.70 23.80 31.75 22.23 10.31 
0.750 19.00 31.20 30.40 26.97 34.93 22.23 10.31 
0.875 22.20 33.55 33.40 30.15 38.10 23.80 10.31 
1.000 25.40 43.20 39.30 33.32 41.28 25.40 11.10 
1.125 28.50 46.50 42.00 36.50 44.45 26.97 11.10 
1.250 31.70 49.50 45.80 39.70 47.63 26.97 11.10 
1.375 34.90 52.70 49.30 42.85 50.80 28.58 11.10 
1.500 38.10 56.00 52.80 46.05 53.98 28.58 11.10 
1.625 41.20 62.20 55.50 50.80 60.33 34.93 12.70 
1.750 44.40 66.00 61.00 53.97 63.50 34.93 12.70 
1.875 47.60 66.00 64.00 57.15 66.68 38.10 12.70 
2.000 50.80 73.00 66.00 60.33 69.85 38.10 12.70 
2.125 53.90 73.50 71.50 60.33 76.20 42.85 14.27 
2.250 57.10 79.60 79.60 61.90 79.38 42.85 14.27 
2.375 60.30 82.00 79.60 65.10 82.55 46.05 14.27 
2.500 63.50 85.00 81.50 68.25 85.73 46.05 14.27 
2.625 66.60 88.00 84.60 71.42 85.73 49.20 15.88 
2.750 69.80 92.70 90.00 74.60 88.90 49.20 15.88 
3.000 76.20 102.00 96.80 80.95 98.43 52.37 15.88 

2(001).jpg


Our Advantages:

1.We have advanced equipment and professional design ability

2.We promise that our products have stable quality, good performance and reasonable price

3.We provide excellent and rapid after-sales service.

4.We insist on strict internal quality control

5.Our product is easy to install and replace

6.We have experienced engineers and technicians

7.OEM Service and can customized based on clients' drawing

8.Strong production capacity and stocks for seals


Hot Tags: Johncrane Type 21T Mechanical Seals, suppliers, manufacturers, wholesale, customized, discount, bulk, price
Related Products
Inquiry