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High Temperature Weld Bellow Type Metal Bellow Mechanical Seals M14M15M16 for John Crane 670/676/680

metal bellow mechanical seals
Metal Bellow Mechanical Seals M14M15M16
Replacement for:
  • John crane 670
  • John crane 676
  • John crane 680

Features:
  • High temperature
  • Weld bellow
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Performance Capabilities of Metal Bellow Mechanical Seals M14M15M16

  • Temperature: -75℃ to 200℃
  • Pressure: Up to 20 bar
  • Speed: Up to 23 m/s
  • End play/axial float allowance ±0.1mm

Sizes of Metal Bellow Mechanical Seals M14M15M16

18mm to 150mm
0.75” to 7”

Materials Combination of Metal Bellow Mechanical Seals M14M15M16

  • Face: Carbon, SiC, TC
  • Seat: Ceramic, SiC, TC
  • O-rings: NBR, EPDM, VITON, Aflas, FEP, Kalrez, Chemraz, Grofoil etc.
  • Spring: SS316, hastelloy C, AM350
  • Metal parts: SS316, hastelloy C

Specification of Metal Bellow Mechanical Seals M14M15M16

Metal Bellow Mechanical Seals By Size(metric system) d D L2
M14/M15/M16-18 18 32 27.7
M14/M15/M16-20 20 33.3 27.7
M14/M15/M16-22 22 36 27.7
M14/M15/M16-24 24 38.1 30.2
M14/M15/M16-25 25 39 30.2
M14/M15/M16-28 28 42 32.7
M14/M15/M16-30 30 44 32.7
M14/M15/M16-32 32 46 32.7
M14/M15/M16-33 33 47 32.7
M14/M15/M16-35 35 49.2 32.7
M14/M15/M16-38 38 52.4 34.2
M14/M15/M16-40 40 55.6 34.2
M14/M15/M16-43 43 58.7 34.2
M14/M15/M16-45 45 58.7 34.2
M14/M15/M16-48 48 61.9 34.2
M14/M15/M16-50 50 65.1 34.2
M14/M15/M16-53 53 68.3 34.2
M14/M15/M16-55 55 71 34.2
M14/M15/M16-60 60 74.6 39.7
M14/M15/M16-65 65 84.1 39.7
M14/M15/M16-70 70 87.3 45.2
M14/M15/M16-75 75 95.3 45.2
M14/M15/M16-80 80 98.4 44.7
M14/M15/M16-85 85 104.8 44.7
M14/M15/M16-90 90 108 49.7
M14/M15/M16-95 95 114.3 49.7
M14/M15-100 100 120.7 49.7
M14/M15-105 105 131.7 48.5
M14/M15-110 110 138.1 48.5
M14/M15-115 115 144.5 48.5
M14/M15-120 120 144.5 48.5
M14/M15-125 125 150.8 48.5
M14/M15-130 130 157.8 48.5
M14/M15-140 140 170.5 48.5
M14/M15-150 145 176.9 48.5

Metal Bellow Mechanical Seals By Size(British system) d D L2
M14/M15/M16-0.75" 19.05  33.32  31.75
M14/M15/M16-0.875" 22.23  36.50  31.75
M14/M15/M16-0.937" 23.80  38.10  31.75
M14/M15/M16-1" 25.40  39.67  31.75
M14/M15/M16-1.125" 28.58  42.85  31.75
M14/M15/M16-1.25" 31.75  46.02  33.32
M14/M15/M16-1.375" 34.93  49.20  36.50
M14/M15/M16-1.5" 38.10  52.37  36.50
M14/M15/M16-1.625" 41.28  55.55  36.50
M14/M15/M16-1.75" 44.45  58.72  36.50
M14/M15/M16-1.875" 47.63  61.90  38.10
M14/M15/M16-2" 50.80  65.07  38.10
M14/M15/M16-2.125" 53.98  68.25  38.10
M14/M15/M16-2.25" 57.15  71.42  39.67
M14/M15/M16-2.375" 60.33  74.60  39.67
M14/M15/M16-2.5" 63.50  80.95  39.67
M14/M15/M16-2.625" 66.68  84.12  41.28
M14/M15/M16-2.75" 69.85  87.30  41.28
M14/M15/M16-2.875" 73.03  92.08  42.85
M14/M15/M16-3" 76.20  95.25  42.85
M14/M15/M16-3.125" 79.38  98.43  44.45
M14/M15/M16-3.25" 82.55  101.60  44.45
M14/M15/M16-3.375" 85.73  140.78  44.45
M14/M15/M16-3.5" 88.90  107.95  47.63
M14/M15/M16-3.625" 92.08  111.13  47.63
M14/M15/M16-3.75" 95.25  114.30  47.63
M14/M15/M16-3.875" 98.43  117.48  47.63
M14/M15/M16-4" 101.60  120.65  47.63
M14/M15-4.25" 107.95  131.75  48.34
M14/M15-4.5" 114.30  138.13  48.34
M14/M15-4.75" 120.65  144.48  48.34
M14/M15-5" 127.00  150.83  48.34
M14/M15-5.25" 133.35  157.81  48.34
M14/M15-5.5" 139.70  164.16  48.34
M14/M15-5.75" 146.05  170.54  48.34
M14/M15-6" 152.40  176.89  48.34
M14/M15-6.5" 165.10  189.74  48.34
M14/M15-7" 177.80  202.46  48.34


Design Drawing of Metal Bellow Mechanical Seals M14 M15 M16

Metal Bellow Mechanical Seals M14M15M16
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