John Crane Welded Metal Bellow Seals 680

Metal bellow seals welded type John Crane Type 680 with stock in mass Suggested Operation Limits Temperature:-20℃-220℃ Speed:≦20M/S Pressure:≦2.0Mpa Size:18-100mm Combined Material Rotary Face:Carbon/SIC/TC Stat Ring:SIC/TC Seat Type:Standard SRS-ORSA,Alternative SRS-ROSE/S09 This seal can...

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Product Details

Metal bellow seals welded type John Crane Type 680 with stock in mass


Suggested Operation Limits

Temperature:-20℃-220℃

Speed:≦20M/S

Pressure:≦2.0Mpa

Size:18-100mm


Combined Material

Rotary Face:Carbon/SIC/TC

Stat Ring:SIC/TC


Seat Type:Standard SRS-ORSA,Alternative SRS-ROSE/S09


This seal can replace with Johncrane type 68.


Bellows Design Features: 

1,Optimum 45° tilt angle 

2,Three-sweep radius  

3,Static secondary seal 

4,Light spring loads


Welded Metal Bellows Bellows Advantages:

1,Uniform plate rigidity and stress distribution 

2,Enhanced fatigue strength 

3,Pressure-balanced by design 

4,Less heat generated 

5,Lower power consumption 


Applications:

1,Aqueous solutions 

2,Chemicals 

3,Hydrocarbons A 

4,Slurry

5,Thermo-sensitive fluids

6,Water


Our SRS-BJ80 is the ideal seal for general-purpose applications,Also good for low-temperature applications found in the chemical, water and wastewater, pulp and paper, and utility industries. The seal is available with hard faces for abrasive applications and a wide range of elastomers to cover a broad range of applications.

SIZE/METRICD3L1
SIZE/INCHdD3L1
d
1832.0 27.50.750 19.05 33.3 31.75 
2033.3 27.50.875 22.23 36.5 31.75 
2236.0 27.50.937 23.80 38.1 31.75 
2438.1 301.000 25.40 39.7 31.75 
2539.0 301.125 28.58 42.9 31.75 
2842.0 32.51.250 31.75 46.0 33.32 
3044.0 32.51.375 34.93 49.2 36.50 
3246.0 32.51.500 38.10 52.4 36.50 
3347.0 32.51.625 41.28 55.6 36.50 
3549.2 32.51.750 44.45 58.7 36.50 
3852.4 341.875 47.63 61.9 38.10 
4055.6 342.000 50.80 65.1 38.10 
4358.7 342.125 53.98 68.3 38.10 
4558.7 342.250 57.15 71.4 39.67 
4861.9 342.375 60.33 74.639.67 
5065.1 34.52.500 63.50 80.9539.67 
5368.3 34.52.625 66.68 84.1241.28
5571.0 34.52.750 69.85 87.341.28
6074.6 39.52.875 73.03 92.0842.85
6584.1 39.53.000 76.20 95.2542.85
7087.3 453.125 79.38 98.4344.45
7595.3 453.250 82.55 101.644.45
8098.4 44.53.375 85.73 104.7844.45
85104.8 44.53.500 88.90 107.9547.63
90108.0 49.53.625 92.08 111.1347.63
95114.3 49.53.750 95.25 114.347.63
100120.7 49.53.875 98.43 117.4847.63



4.000 101.60 120.6547.63

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