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SS-H75VN: Burgmann H75VN replacement

Description:
SS-H75VN: Perfect replacement of Burgmann H75VN mechanical seal

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SS-H75VN: Burgmann H75VN mechaniacl seal
Features:
Equivalent to Bergmann H75VN
Single seal
Cartridge unit
Design acc. to API 682 / ISO 21049
Category 2 and 3, Type A, Arrangement 1
Independent of direction of rotation
Rotating multiple springs
Integrated pumping device available (SSH75VP)

Operating range:
Shaft diameter: d = 20 ... 110 mm (0.79" ... 4.33")*
Pressure: p1 = 40 bar (580 PSI)

Temperature: t = -40 °C ... +220 °C (-40 °F … 428 °F)
Sliding velocity: vg = 23 m/s (75 ft/s)
Axial movement: ± 2.0 ... 4.0 mm depending on diameter and installation situation
* Other sizes on request

Materials:
Seal face: Carbon graphite antimony impregnated (A)
Seat: Silicon carbide (Q1, Q2)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)

SS-H75VP:
Dimensions, items and descriptions as SS-H75VN, but with pumping ring. Shorter installation length possible.
SS-H75N:
Dimensions, items and description as SS-H75VN.
Seal face: Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)


SS-H75VN Dimensions(mm)
d1 d2 d3 d4 d5 d6 L4 L5 L6 L7 L11 Overall length
20 70 105 85 50 138 95 94 1 76 6 100
30 80 115 95 62 148 100.5 98 2.5 77 6 104
40 90 125 105 72 158 105.5 98.5 7 77.5 6 125
50 100 140 115 86 168 111.5 99.5 12 78.5 6 140
60 120 160 135 99 188 120.5 102 18.5 81 6 160
70 130 170 145 109 198 124.5 106 18 81 6 170
80 140 180 155 119 208 129 106 23 81 6 180
90 160 205 175 129 238 129 106 23 81 6 205
100 170 215 185 153 248 133 109 24 81 6 215
110 180 225 195 168 258 133 109 24 81 6 225