Enactus-H75VA4-S Burgmann H75VA4-S Replacement

FeaturesAPI 682 Category 2 and 3,Website:http://www.mechanicalsealsenactus.com, Type A, Arrangement 1 sealSingle sealBalancedCartridge unitBi-directional designRotating multiple springsIntegrated pumping device availableAdvantagesCompact designUniversally applicable both for retrofits or original equipmentEfficient stock-keeping due to standardized componentsExtended selection of materialsExtended field of operation in terms of temperature and pressureMetal parts also in special materials availableOperating rangeShaft diameter: d1 = 20 ... 110 mm (0.79" ... 4.33")Pressure: p1 = ... 42 bar (609 PSI)Temperature: t = -40 °C ... +176 °C (-40 °F … +349 °F)*Sliding velocity: vg = 23 m/s (75 ft/s)Axial movement:d<50 mm ±1,0 mmd ≥50 mm ±1,5 mm* Engineered up to 260 °C (500 °F) with FFKM (K) secondary seals.MaterialsSeal ring: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2)Mating ring: Silicon carbide SSiC (Q1), RBSiC (Q2)Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)Springs: Hastelloy® C-276 (M5)Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request.Recommended applicationsRefining technologyOil and gas industryPetrochemical industryChemical industryPower plant technologyHighly volatile hydrocarbonsLPG plantsAPI 610 / ISO 13709 pumpsProcess pumpsserviceProvide special designAccording to the requirements and conditions for the custom processing