Nitto Kohki Quick Connect Couplings, Tools, and Pumps

Nitto Kohki quick connect couplings, Delvo precision screwdrivers, Atra Ace magnetic drills, and oil-free linear pumps for automated production facilities.

Nitto Kohki CUPLA quick connect couplings for pneumatic, gas, and hydraulic circuits

Nitto Kohki CUPLA quick connect couplings deliver leak-free fluid routing and rapid disconnection for pressurized hoses and hard lines without line pressure drop. Standard lineups feature Hi Cupla for shop air, SP Cupla for hydraulics, and valveless TSP Cupla for viscous lubricants.

  • Operating pressure envelopes up to 1.5 MPa for air systems and 20.6 MPa for oil hydraulics
  • Body fabrications in carbon steel, brass, and stainless grades with NBR, FKM, or EPDM seals
  • Valve mechanisms available in single-shutoff, double-shutoff, or straight-through formats
  • Coupler plug and socket selection by catalog code with BSP, NPT, or hose barb terminations

Nitto Kohki Delvo precision electric screwdrivers with torque management

Nitto Kohki Delvo electric screwdrivers streamline fastener fastening across electronics assembly lines and precision automotive equipment. Brushless electric motors and mechanical torque clutches preserve tight repeatability and eliminate fastener thread stripping on delicate assemblies.

  • Torque adjustment span from 0.02 to 7.0 Nm with tightening accuracy maintained within 3%
  • Brushless motor configurations in DLV30, DLV45, and DLV70 series with soft-start profiles
  • External power controllers featuring integrated screw counting and cross-thread detection
  • Spare planetary reduction gearsets, calibrated clutch springs, and tool connection cables

Nitto Kohki Atra Ace magnetic base drilling machines and annular cutters

Nitto Kohki Atra Ace magnetic base drilling machines drill heavy structural steel beams, bridge sections, and pressure vessel plates with high rigidity. Proprietary One-Touch cutter mounting enables tool-free replacement of Jetbroach carbide annular cutters in seconds.

  • Drilling capacity from 11.5 to 100 mm diameter through steel plate thickness up to 75 mm
  • Low-profile compact models in the LO series engineered for tight clearance steel girders
  • Fully automatic spindle feed available on QA series machines with motor overload cutoff
  • Electromagnet base coils, dovetail slide guides, drive spindles, and coolant bottles

Nitto Kohki pneumatic finishing tools and hydraulic puncher systems

Nitto Kohki pneumatic production tools and hydraulic punchers streamline deburring, weld prep, and plate perforation in metal fabrication shops. Jet Chisel needle scalers, Belton belt sanders, and Selfer hydraulic punchers withstand heavy continuous duty in plant environments.

  • Jet Chisel multi-needle pneumatic scalers for rapid weld slag and rust scale removal
  • Belton air belt sanders engineered for tight contour grinding and fillet weld blend finishing
  • Selfer portable electro-hydraulic punch units for punching clean round and oblong holes
  • Replacement needle bundles, tool punches, dies, and pneumatic motor drive rotor blades

Nitto Kohki Free Piston linear motor driven air pumps and vacuum compressors

Nitto Kohki oil-free pumps and vacuum compressors utilize an electromagnetic linear motor to drive a free-floating piston without connecting rods or rotating crankshafts. The simplified mechanism delivers low acoustic output, balanced linear action, and extended service intervals.

  • Clean oil-free output flow suitable for sensitive laboratory and analytical equipment
  • Working pressure envelopes up to 0.2 MPa and vacuum draw down to minus 80 kPa
  • Compact AC and VP series pumping modules integrated inside medical therapy machines
  • Replacement PTFE piston wear rings, precision reed valve plates, and intake filters

Nitto Kohki MEDO Blower linear piston aeration air pumps and blowers

Nitto Kohki MEDO Blower linear piston air pumps deliver continuous aeration airflow for biological wastewater treatment tanks, aquaculture pools, and fluid mixing systems. Sealed weather-resistant resin enclosures isolate motor sound and withstand harsh outdoor environmental exposures.

  • Air delivery output ranging from 28 to 120 liters per minute with low power consumption
  • Linear free piston topology in LA and LAM series engineered for cool motor operation
  • Moisture-sealed and UV-stabilized exterior resin housing rated for outdoor environments
  • Spare replacement intake filter pads, piston assemblies, and vibration isolation mounts

Fluid dynamics and sealing topology of CUPLA quick connect couplings

Industrial quick connect couplings manufactured by Nitto Kohki across the Hi Cupla, SP Cupla, and TSP Cupla product lineups deliver dependable fluid transfer across pneumatic and hydraulic pipe networks without flow pressure drops.

Coupler body components are machined from surface-treated carbon steel, corrosion-resistant brass, or austenitic stainless steel grades AISI 304 and AISI 316. Internal shutoff valve mechanisms with hand-lapped seats secure instantaneous fluid isolation upon disconnect.

For aggressive chemical reagents and high-temperature cooling loops, elastomeric sealing rings in FKM fluoroelastomer or EPDM synthetic rubber withstand swelling and thermal degradation. Threaded connections in BSP, NPT, and hose barb configurations support direct integration into plant piping.

Electronic torque calibration and mechanical clutches in Delvo screwdrivers

Nitto Kohki Delvo electric screwdrivers in the DLV30, DLV45, and DLV70 series deliver precision screw tightening across electronics assembly lines and instrument manufacturing.

At the core of each tool is a brushless direct-current electric motor with rare-earth permanent magnets, yielding high energy efficiency and low heat buildup during continuous shifts.

The mechanical cam-actuated shutoff clutch disengages the drive train in milliseconds upon reaching target torque values, preventing fastener head damage.

External microprocessor controllers monitor screw rotation cycles, track tightening intervals, and transmit status signals to automated plant supervisory systems.

Electromagnetic holding power and drilling mechanics of Atra Ace machines

Nitto Kohki Atra Ace magnetic base drilling machines function as portable metalworking units for boring large-diameter holes in structural steel girders and heavy plate assemblies.

The foundation houses a dual-coil electromagnet delivering high clamping force against flat steel, preserving absolute drill stability in horizontal and inverted drilling positions.

The proprietary One-Touch tool-free mounting system enables operators to insert and lock Jetbroach annular cutters in a single swift motion without hand tools.

An integrated through-spindle coolant delivery system directs cutting fluid straight to the carbide cutter cutting edges, minimizing thermal tool wear.

Cyclic pneumatic impact mechanisms in finishing tools and hydraulic punchers

Nitto Kohki industrial pneumatic finishing tools in the Jet Chisel and Belton series, alongside Selfer hydraulic punchers, handle demanding deburring, scaling, and steel plate perforation.

In Jet Chisel needle scalers, a bundle of high-tensile spring steel needles oscillates via a pneumatic piston, conforming to irregular weld contours and steel profiles.

Belton air belt sanders incorporate an adjustable arm guide, allowing operators to position abrasive belts at diverse angles for grinding recessed joints.

Portable Selfer electro-hydraulic puncher units generate substantial hydraulic force to punch burr-free round and oblong holes through structural steel beams in seconds.

Electrodynamic free-floating piston drive in oil-free compressors

Nitto Kohki Free Piston oil-free compressors and vacuum pumps operate via an electromagnetic resonant motor topology. Positioned inside an anti-friction bore, a cylindrical piston with embedded permanent magnets oscillates in response to the alternating magnetic field of an external stator coil.

Eliminating crankshafts, wrist pins, and radial journal bearings removes the need for liquid lubrication, producing oil-free compressed air for critical analytical equipment.

Self-lubricating fluoropolymer piston wear rings and thin stainless reed valves deliver tens of thousands of operating hours with minimal mechanical maintenance.

Acoustic sound baffling and installation guidelines for MEDO Blowers

Nitto Kohki MEDO Blower linear piston air pumps supply continuous aeration for biological wastewater treatment tanks, decentralized septic systems, and aquaculture holding ponds.

The sealed weather-resistant resin enclosure incorporates internal labyrinth intake mufflers to minimize sound propagation in residential and commercial settings.

Molded elastomeric isolation mounts absorb electromagnetic vibrations, preventing dynamic load transfer onto mounting pads or steel support frames.

To preserve steady volumetric airflow, each blower features a replaceable fine-mesh intake air filter that removes airborne dust and particulate contaminants.

Industrial equipment

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