Norton Rixson 340 Series Center Hung Top Pivot with Oil-Impregnated Bronze Bushing for Commercial DoorsHeavy-Duty Top Pivot Solution for Commercial Door ApplicationsThe Norton Rixson 340 top pivot delivers reliable center hung operation for commercial doors up to 500 lbs with oil-impregnated sintered bronze bushing construction. This standard duty pivot features a walking beam-type design with 1/2" (13mm) diameter pivot pin and 3/4" (19mm) engagement for secure mounting. Compatible with 370 and 117-3/4 pivot sets plus 28, 30, 40 and 50 Series floor closers, this non-handed pivot remains completely concealed when the door is closed.Professional Features & BenefitsHeavy-Duty Door Support: Rated for doors up to 500 lbs with standard duty performance for demanding commercial applications.Oil-Impregnated Bronze Bushing: Sintered bronze construction provides long-lasting, low-maintenance operation with superior wear resistance.Walking Beam Pivot Design: 1/2" (13mm) diameter pivot pin with 3/4" (19mm) engagement ensures secure, stable door operation.Universal Compatibility: Standard top pivot for 370 and 117-3/4 pivot sets, also compatible with 28, 30, 40 and 50 Series floor closers.Fully Concealed Installation: Center hung design remains completely hidden when door is closed for clean architectural appearance.Non-Handed Configuration: Universal design eliminates handing requirements for simplified inventory and installation.Custom Pin Length Options: Available with longer pivot pins in 1/4" (6mm), 1/2" (13mm), and 3/4" (19mm) increments for specialized applications.Complete Hardware Package: Furnished with both wood and machine screws for versatile mounting options.Manufacturer Warranty: 2-year limited warranty provides added confidence and protection.Technical SpecificationsApplication: Heavy-DutyCommercial/Residential: CommercialDepartment: Door HardwareDoor Hand Direction: Non-HandedDoor Weight: Up to 500 lbsDuty Level: Standard DutyElectronic: NoFire Rating: NoHang Type: Center HungMounting Method: Center HungPivot Type: Top & BottomProduct Attribute: PivotsProduct Category: Door Hinges and PivotsProduct Group: Door Hinges and PivotsProduct Subgroup: Pivots and Pivot SetsProduct Type: Pivot HingesSeries: 340 SeriesSubcategory: Center HungWarranty: 2 Year LimitedInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose Norton Rixson Quality?Norton Rixson 340 Series pivots deliver professional-grade reliability with oil-impregnated sintered bronze bushing construction rated for doors up to 500 lbs. The 2-year limited warranty and walking beam-type pivot design with 1/2" diameter pin provide dependable performance. Engineered for demanding commercial applications where concealed operation and long-term durability are essential.