Shanghai Enactus Industrial Co., Ltd

Date: 23rd June 2016
Enactus-H75A4-C Burgmann H75A4-C Replacement
FeaturesAPI 682 Category 2 and 3,Website:, Type A, Arrangement 2 sealDual seal in face-to-back arrangementNon-contact outer seal (containment seal)BalancedCartridge unitRotating multiple springsAdvantagesUniversally applicable both for retrofits or original equipmentEfficient stock keeping due to standardized componentsExtended selection of materialsMetal parts also in special materials availableSafe operation due to metal torque transmission at the rotating carbon seal ringsOperating rangeShaft diameter: d1 = 20 ? 110 mm (0,79" ? 4,33")Pressure: p1 ... 42 bar (609 PSI)Temperature: t = -40 ?C ? +176 ?C (-40 ?F ? +350 ?F)Sliding velocity: vg = 23 m/s (76 ft/s)Axial movement: ?1.0 mmMaterialsSeal rings: Blister resistant carbon,Silicon carbide SSiC (Q1), RBSiC (Q2)Mating rings: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 technologyPetrochemical industryOil and gas industryMedia with gaseous leakageAPI 610 / ISO 13709 pumpsProcess pumpsserviceProvide special designAccording to the requirements and conditions for the custom processing
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