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SEALTEK is now launching its line of mechanical seals designed according to API 682 standards. Contact us for more information!
 
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Mechanical Seals arrow Style 551



Style 551




Ideal solution in stuffing boxes with limited space, where Style 550 could not fit. Style 551 conforms with the EN 12765 L1K lenght requirements, which enables it to be easily installed in all pumps manufactured to this standard. Will replace most seals without the need of any modification. It is a balanced seal with a wave spring instead of multiple springs, not in contact with the product, suitable for all appllications, particularly where dense fluids, slurries and abrasive require the use of a heavy duty reliable seal.




ds d1 d2 d3 d4 L2 L3 L1k
mm. mm. mm. mm. mm. mm. mm. mm.
18 32 34 26.6 33.1 28.5 11.5 40.0
20 34 36 28.6 35.1 28.5 11.5 40.0
22 36 38 30.6 37.1 28.5 11.5 40.0
24 38 40 32.6 39.1 31.0 11.5 42.5
25 39 41 33.6 40.1 31.0 11.5 42.5
28 42 44 36.7 43.1 33.0 11.5 44.5
30 44 46 38.6 45.1 33.0 11.5 44.5
32 47 49 41.6 48.1 33.0 11.5 44.5
33 47 49 41.6 48.1 33.0 11.5 44.5
35 49 51 43.6 50.1 33.0 11.5 44.5
38 54 56 48.6 56.1 34.5 14.0 48.5
40 56 58 50.6 58.1 34.5 14.0 48.5
43 59 61 53.6 61.1 34.5 14.0 48.5
45 61 63 55.6 63.1 34.5 14.0 48.5
48 64 66 58.6 66.1 34.5 14.0 48.5
50 66 70 61.6 70.1 35.5 15.0 50.5
53 69 73 64.6 73.1 35.5 15.0 50.5
55 71 75 66.6 75.1 35.5 15.0 50.5
58 78 82 69.6 78.1 39.5 15.0 54.5
60 80 84 71.6 80.1 39.5 15.0 54.5
63 83 88 74.6 83.1 39.5 15.0 54.5
65 85 90 76.6 85.1 39.5 15.0 54.5
68 88 94 79.6 88.1 39.5 15.0 54.5
70 90 96 82.5 92.1 46.0 18.0 64.0
75 99 104 87.5 97.1 46.0 18.0 64.0
80 104 110 94.6 105.1 46.0 18.2 64.2
85 109 115 99.6 110.1 46.0 18.2 64.2
90 114 120 104.6 115.1 49.5 18.2 67.7
95 119 125 109.6 120.1 49.5 17.2 66.7
100 124 130 114.6 125.1 49.5 17.2 66.7


Parti Metalliche Metal Parts Metallteile F - G
Molle Springs Federn G - M
Faccia di Strisciamento Sliding Face Gleitflächen B - Q12 - Q22 - U22
O.Ring E - V - K - M5
Velocità Max Max Speed Geschwindigkeit max 15 m/sec
Pressione Max Max pressure Druck Max 25 bar**










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