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SS-5840: John crane Type 5840 replacement

Description:
SS-5840: Replacement of John crane Type 5840 mechanical seal, Cartridge mechanical seal

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SS-5840:John Crane Type 5840 cartridge mechanical seal
Structure Description
Equivalent to single cartridge seal John Crane Type 5840
Operating Limits
Temperature: -20° C~75°C
Speed: 15m/s
Pressure: 21 bar
Standard Size: 35-220mm/1.375-8.625inch
Material:
Seal Ring: SIC, TC
Secondary seal: Tetrafluoroethylene/Propylene Copolymer (TFE/P)
Wetted Metal Components: Duplex Stainless Steel
Other metal parts: 316

SS-5840 Dimentions(Inches)
Size D D3 D4 D26 D30 D41 D68 L22 L23 L26 L39 GlandStud PCD StudDia
1 35 - 51  99 N/A 140 133 1/4” NPT 63 42 24.3 N/A 37 N/A N/A
2 51 - 82.5 136 163 217 172.7 1/4” NPT 113 54.5 25 2.81 45 195 M12
3 82.5 - 105 170 185 243 200.6 1/4” NPT 154 69.5 21 4.33 59 220 M12
4 105 - 135 204 210 288 225.6 3/8” NPT 196 69.5 27 4.33 67 260 M12
5 135 - 180 258 270 350 285.8 3/8” NPT 235 86.5 25 5.52 67 320 M12
6 180 - 220 310 327.3 428 343.1 3/8” NPT 290 101 30 5.23 72 388 M20

SS-5840 Dimentions(mm)
Size D D3 D4 D26 D30 D41 D68 L22 L23 L26 L39 Gland
Stud
PCD		 StudDia
1 1.375 - 2.000 3.898 N/A 4.961 5.236 1/4” NPT 2.48 1.654 0.957 N/A 1.457 N/A N/A
2 2.000 - 3.250 5.354 6.419 8.543 6.799 1/4” NPT 4.449 2.146 0.984 0.11 1.772 7.677 M12
3 3.250 - 4.125 6.693 7.285 9.567 7.898 1/4” NPT 6.063 2.736 0.827 0.171 2.323 8.661 M12
4 4.125 - 5.313 8.032 8.269 11.339 8.882 3/8” NPT 7.717 2.736 1.063 0.171 2.638 10.236 M12
5 5.313 - 7.063 10.157 10.632 13.78 11.25 3/8” NPT 9.252 3.406 0.984 0.217 2.638 12.598 M12
6 7.063 - 8.625 12.205 12.885 16.85 13.507 3/8” NPT 11.417 3.976 1.181 0.206 2.835 15.276 M20

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