Shanghai Enactus Industrial Co., Ltd

Date: 23rd June 2016
Enactus -HRN Burgmann HRN Replacement
Features:Equivalent to Burgmann HRNSingle sealBalancedIndependent of direction of rotationStationary springsDual seals in tandem as well as back-to-back arrangements (also in combination with H10 seal)Operating range:Shaft diameter: d = 18 ... 100 mm (0.71" ? 3.94")Pressure: p1*) = 25 bar (363 PSI)Temperature: t = -40 ?C ... +220 ?C (-40 ?F ? 428 ?F)Sliding velocity: vg = 20 m/s (66 ft/s)Materials: Seal face: Carbon graphite resin impregnated (B),Website:, Silicon carbide (Q1)Seat: Silicon carbide (Q1)Secondary seals: FKM (V), NBR (P), FFKM (K), PTFE (T)Springs: Hastelloy? C-4 (M)Metal parts: CrNiMo steel (G)Advantages: Safe operation (no fractures) because of seal face locking by square pin;Spring unit averted from the product so no sticking and clogging of the springs;Suitable for pressure reversalsOperation in vacuum without additional seat locking possible;No damage of the shaft by a dynamically loaded O-Ring;Small installation sizesBest suitable for conversions, no adaptations of the pump;Insensitive to solid containing and abrasive mediaAdvantages of a balanced seal even with plain shaftsInsensitive to shaft movements because of the stationary designRecommended applications: Water and waste water technologyRefining technologyDirty, abrasive and solid containing mediaFugitive hydrocarbons (no API seal!)Sticky and stringy mediaChemical standard pumpsSewage pumpsEnactus?-HRN Dimensions(mm) d1 d3 d6 d7 d8 d10 l1k l3 l5 l6 f mx 18332733334.737.519.52.053.0420352935336.737.519.52.053.0422373137338.737.519.52.053.0424393338340.740.
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