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SS-Type 1B: John crane Type 1B balanced mechanical seal

Description:
SS-Type 1B: Replacement of John crane Type 1B, balanced seal, elastomer bellows

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SS-Type 1B:John crane type 1B
Structure Description:
Equivalent to John crane type 1B
Performance Capabilities:
Temperature: -20℃ to +120℃
Pressure: ≤2.5MPa
Speed: ≤15m/s
Materials:
Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide, Co-binder Tungsten Carbide
Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded, Co-binder Tungsten Carbide, Ni-binder Tungsten Carbide
Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)
Spring and Metal Parts: Stainless Steel, Stainless Steel
Applications: Clean Water, Sewage Water, Oil and other moderately corrosive fluids.

SS-Type 1B Dimensions(inches)
d(inch) d(mm) D2 D3 D1 L1 L2 L6
1.000 25.4 33.32 38.10 41.28 47.63 11.10 8.71
1.125 28.6 36.50 41.28 44.44 49.20 11.10 8.71
1.250 31.8 39.70 46.02 47.63 49.20 11.10 8.71
1.375 34.9 42.84 47.63 50.80 50.80 11.10 8.71
1.500 38.1 46.05 50.80 53.98 50.80 11.10 8.71
1.625 41.3 50.80 57.15 60.33 60.33 12.70 11.10
1.750 44.5 53.97 60.33 63.50 60.33 12.70 11.10
1.875 47.6 57.15 63.50 66.68 63.50 12.70 11.10
2.000 50.8 60.32 66.68 69.85 63.50 12.70 11.10
2.125 54.0 60.32 71.42 76.20 69.85 14.27 12.70
2.250 57.2 61.90 74.60 79.38 69.85 14.27 12.70
2.375 60.3 67.39 77.77 82.55 73.03 14.27 12.70
2.500 63.5 68.25 80.95 85.73 73.03 14.27 12.70
2.625 66.7 71.42 85.73 85.73 79.38 15.88 14.27
2.750 69.9 74.60 88.90 88.90 79.38 15.88 14.27
2.875 73.0 77.77 92.08 95.25 82.55 15.88 14.27
3.000 76.2 80.95 95.25 98.43 82.55 15.88 14.27
3.125 79.4 84.12 101.60 101.60 88.90 19.84 15.88
3.250 82.6 87.30 104.78 104.78 88.90 19.84 15.88
3.375 85.7 90.47 107.95 107.95 88.90 19.84 15.88
3.500 88.9 93.65 111.13 111.13 88.90 19.84 15.88
3.625 92.1 96.82 114.30 114.30 92.08 19.84 15.88
3.750 95.3 100.00 117.48 117.48 92.08 19.84 15.88
3.875 98.4 103.17 120.65 120.65 95.25 19.84 15.88
4.000 101.6 106.35 123.83 123.85 95.25 19.84 15.88

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