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SS-LY9DZSS: Burgmann LY9DZSS replacement

Description:
SS-LY9DZSS: Replacement of Burgmann LY9DZSS mechanical seal, cartridge mechanical seal

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SS-LY9DZSS:Burgmann LY9DZSS cartridge mechanical seal
Structure description:
Equivalent to Burgmann LY9DZSS
API 682 Category 2 and 3, Type B,Arrangement 3 seal
Dual seal in back-to-back arrangement
Same seal size of inboard and outboard seal
Balanced
Cartridge unit
Rotating metal bellows
Shrink fitted seal ring and solid mating ring
Operating range:
Pressure: p = vacuum ... 20 bar (290 PSI)
Temperature: t = -40 °C ... +200 °C (-40 °F ... +392 °F)
Sliding velocity: vg ... 23 m/s (75 ft/s)
Viscosity: ... 1,000 mPas
Solids content: ... 0.5 wt.%
Materials:
Seal ring: Blister resistant carbon
Mating ring:Silicon carbide SSiC (Q1), RBSiC (Q2)
Bellows: Hastelloy® C-276 (M5), option: Inconel® 718 (M6)
Secondary seals:FKM (V), FFKM (K), EPDM (E), NBR (P)
Metal parts: CrNiMo steel

SS-LY9DZSS Dimensions(mm)
API/d1 API/d2 API/d3 d5 l1 l2 l3 l4
20 70 105 - - - - -
30 80 115 138 125 98 27 82
40 90 125 148 128 98 30 82
50 100 140 168 137 107 30 87
60 120 160 188 137 107 30 87
70 130 170 198 137 107 30 87
80 140 180 208 137 107 30 87
90 160 205 238 145 115 30 95
100 170 215 248 150 115 35 95
110 180 225 258 150 115 35 95

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