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SS-HR: Burgmann HR replacement

Description:
SS-HR: Replacement of Burgmann HR supplied by Saisi Mechanical Seal Co., Ltd.

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Features
Equivalent to Burgmann HR mechanical seals
Single seal
Balanced
Independent of direction of rotation
Multiple springs stationary
Seat rotating
Seat arranged directly behind the impeller
Spring protection sleeve
Variant with cylindrical spring and acc. EN12756 (SS-HRZ1) available
Variant as cartridge with/without guide sleeve for application with/without quench (HR2,HR3)
Dual seal as cartridge unit (HRKS-D) available
Operating range
Shaft diameter: dN = 36 ... 270 mm (1.4" ... 10.63")
Pressure: p1* = 16 bar (230 PSI)
Temperature: t = -20 °C ... +160 °C (-4 °F ... +320 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
*For operation under vacuum it is necessary to arrange for quenching on the atmosphere side.
Materials
Seal face: Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)
Notes
Direction of installation:
From the impeller side: HR10
From the bearing side: HR11
SS-HRZ1
Single seal with cylindrical spring and type G76 seat. For installation in covers with installation dimensions according to EN 12756 B or U. Installation length l11 corresponds to max. l1k.
Intermediate sizes on request.

SS-HR Dimensions(mm)
d1 d1h dN d2 d3 d4 d5 d6 d7 d8 d9 d10 d11
+0.2
min		 l l1 l2 l3 l4 l5 l6 l7 l9 k2 t t1
20 28 36 47.1 65 70 46 56.0  63.0  4 40 38 75 75 53 20 19.5  17 10.5  6 9 8.0  51.0  4.5 3 
25 33 41 52.1 70 75 51 62.0  70.0  4 45 43 80 75 53 20 19.5  17 10.5  6 9 9.5  56.5  4.5 3 
28 38 46 57.1 75 80 56 67.0  75.0  4 50 48 85 75 53 20 19.5  17 10.5  6 9 9.5  61.5  4.5 3 
33 43 51 62.1 80 85 61 72.0  80.0  4 55 53 90 75 53 20 19.5  17 10.5  6 9 10.5  66.5  4.5 3 
38 48 56 67.1 85 90 66 77.0  85.0  4 60 58 95 75 53 20 19.5  17 10.5  6 9 10.5  71.5  4.5 3 
43 53 61 72.1 90 95 69 81.0  90.0  4 65 63 100 75 53 20 19.5  17 10.5  7 9 11.0  75.0  4.5 3 
48 58 66 77.1 95 100 76 88.0  97.0  4 70 68 105 75 53 20 19.5  17 10.5  7 9 11.5  82.0  4.5 3 
53 63 71 82.1 101 105 81 95.0  105.0  4 75 73 110 75 53 20 19.5  17 10.5  7 9 11.5  88.0  4.5 3 
55 65 75 87.1 106 110 86 100.0  110.0  4 79 78 115 75 53 20 19.5  17 10.5  7 9 11.5  93.0  4.5 3 
60 70 80 92.1 111 115 91 105.0  115.0  4 84 83 120 75 53 20 19.5  17 10.5  7 9 13.0  98.0  4.5 3 
65 75 85 97.1 116 120 96 110.0  120.0  4 89 88 125 75 53 20 19.5  17 10.5  7 9 13.0  103.0  4.5 3 
70 80 90 102.1 121 125 101 115.0  125.0  4 94 93 130 75 53 20 19.5  17 10.5  7 9 13.0  108.0  4.5 3 
75 85 95 107.1 126 130 107 122.2  134.3  5 99 98 135 75 53 20 19.5  17 10.5  10 12 20.0  114.5  7 3 
80 90 100 112.1 131 135 107 122.2  134.3  5 104 103 140 75 53 20 19.5  17 10.5  10 12 20.0  114.5  7.0  3 
90 100 110 126.1 147 155 117 136.2  148.3  5 116 117 163 98 73 30 22.0  19 16.0  10 12 20.0  126.5  7.0  4 
100 110 120 136.1 157 165 132 146.2  158.3  5 126 127 173 98 73 30 22.0  19 16.0  10 12 20.0  139.0  7 4 
110 120 130 145.1 167 175 142 156.2  168.3  5 136 136 183 98 73 30 22.0  19 16.0  10 12 20.0  149.0  7.0  4 
120 130 140 154.1 177 185 152 168.2  180.3  5 146 145 193 98 73 30 22.0  19 16.0  10 12 22.0  160.0  7.0  4 
130 140 150 163.9 188 195 162 178.2  190.3  5 156 155 203 98 73 30 22.0  19 16.0  12 12 24.0  170.0  7 4 
140 150 160 174.9 189 205 172 188.2  200.3  5 166 166 213 98 73 30 22.0  19 16.0  12 12 24.0  180.0  7.0  4 
160 170 180 193.9 220 230 187 212.5  224.3  5 186 185 238 98 73 30 22.0  19 16.0  12 12 28.0  199.5  7.0  4 
180 190 200 213.9 240 255 ˉ ˉ ˉ ˉ 206 205 265 98 73 30 22.0  19 16.0  ˉ ˉ ˉ ˉ ˉ 4 
190 200 210 231.9 255 270 ˉ ˉ ˉ ˉ 218 220 280 115 83 40 28.35  24.7 19.0  ˉ ˉ ˉ ˉ ˉ 5 
200 210 220 241.9 265 280 ˉ ˉ ˉ ˉ 228 230 290 115 83 40 28.35  24.7 19.0  ˉ ˉ ˉ ˉ ˉ 5 
210 220 230 251.9 275 290 ˉ ˉ ˉ ˉ 238 240 300 115 83 40 28.4  24.7 19.0  ˉ ˉ ˉ ˉ ˉ 5 
220 230 240 261.8 285 300 ˉ ˉ ˉ ˉ 248 250 310 115 83 40 28.35  24.7 19.0  ˉ ˉ ˉ ˉ ˉ 5 
230 240 250 271.9 295 310 ˉ ˉ ˉ ˉ 258 260 320 115 83 40 28.35  24.7 19.0  ˉ ˉ ˉ ˉ ˉ 5 
250 260 270 291.9 315 330 ˉ ˉ ˉ ˉ 278 280 340 115 83 40 28.4  24.7 19.0  ˉ ˉ ˉ ˉ ˉ 5 

SS-HRZ1 Dimensions(mm)
dN d1h d1 d11 d12 d13 d14 10 l11 l12 l13 l15 l16
35 33 20 56 42 48 3 57.7  49.2 15.0  42.7 2.0  5
43 39 27 67 54 61 4 57.7  49.2 15.0  42.7 2.0  6
54 50 35 78 65 73 4 59.8  52.1 15.5  44.3 2.5  6
66 60 47 91 77 85 4 66.0  58.0  16.5  49.5 2.5  6
77 72 55 103 88 97 4 74.5  66.0  17.5  57.0  2.5  7
100 90 70 125 110 120 4 82.0  73.0  21.0  61.0  3.0  7

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