Is the Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel compatible with standard BSPT-threaded pneumatic fittings?

Yes. The Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel is compatible with standard BSPT-threaded pneumatic fittings. It features an internal BSPT (British Standard Pipe Taper) thread, so it will mate correctly with other BSPT male-threaded components. Its design is meant for connecting pneumatic tools to air installations, with robust carbon steel construction, good vibration resistance and a working pressure up to 15 bar. Ensure the mating fitting is BSPT (tapered) rather than BSPP (parallel) and observe correct sealing practice (e.g., thread sealant or tape appropriate for BSPT) and flow direction.medium must flow from the socket to the plug.for proper operation.

Can Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel be used with pneumatic systems requiring flow from socket to plug?

Yes. Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel can be used in pneumatic systems that require flow from socket to plug, provided system parameters match the product specs. It is designed specifically for flow from socket to plug, has working pressure up to 15 bar, temperature range -20Â°C to +80Â°C (NBR), and listed flow rates at 5 bar: 4000 l/min (1â³), 3200 l/min (3/4â³), 2600 l/min (1/2â³), 1600 l/min (3/8â³), 1000 l/min (1/4â³). Ensure thread compatibility (BSPT), material suitability (carbon steel), and that required flow and pressure fall within these limits.

What maintenance is recommended to preserve durability of Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel?

Recommended maintenance to preserve durability of Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel: - Regular inspection: Check the socket for visible wear, cracks, corrosion or deformation at least monthly under normal use, more frequently in harsh or high-vibration environments. - Cleanliness: Keep threads, sealing surfaces and internal passages free of dirt, dust, oil sludge and debris. Blow out with dry compressed air and wipe external surfaces with a clean cloth. Avoid abrasive cleaners. - Seal condition: Inspect and replace NBR seals and O-rings if they show hardening, cuts, swelling or permanent deformation. Replace seals annually or sooner if leakage appears. - Lubrication: Apply a light film of compatible pneumatic-grade lubricant to moving parts and seals after cleaning to prevent seizing and reduce wear. Do not over-lubricate; avoid incompatible oils that damage NBR. - Corrosion protection: Protect carbon steel surfaces from moisture and corrosive atmospheres. Use rust inhibitors or light protective oil if the socket is stored or used in humid conditions. - Pressure and temperature limits: Operate within specified working pressure (max 15 bar) and temperature range (-20Â°C to +80Â°C for NBR). Avoid pressure spikes and temperatures outside range to prevent seal failure and material fatigue. - Flow direction: Ensure the medium flows from the socket to the plug as specified; incorrect flow can cause accelerated wear or malfunction. - Vibration monitoring: Because the model is designed for vibration resistance, still monitor connections for loosening or fatigue; retighten threads to recommended torque and replace components showing fatigue. - Leak and performance checks: Perform periodic leak tests and measure flow performance (l/min at 5 bar conditions) to detect internal blockages or wear; reduced flow indicates maintenance or replacement needed. - Component replacement: Replace damaged or excessively worn sockets, plugs or valves rather than attempting temporary repairs that compromise safety. - Storage: Store in a clean, dry place, caps fitted to protect threads and sealing faces. Following these steps will help maintain the durability and reliable operation of Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel.

Quick coupling socket with GW BSPT valve, NITTO KOHKI HI CUPLA, carbon steel

All products, General-purpose low-pressure quick couplings/

Additional information

Material	CS – steel (cast iron)

Nitto Kohki HI CUPLA series socket with BSPT internal thread, featuring excellent durability and vibration resistance. Designed for connecting pneumatic tools to air installations. Material: carbon steel. Working pressure: 15 bar. Operating temperature: from -20°C to +80°C (NBR). Flow rate: 4000 l/min (1″), 3200 l/min (3/4″), 2600 l/min (1/2″), 1600 l/min (3/8″), 1000 l/min (1/4″) at a pressure of 5 bar. Note: the medium must flow from the socket to the plug.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NK-20SF-S	HI CUPLA quick coupling socket, BSPT 1/4" thread, chrome-plated steel	-	15	In stock	Enquiry
NK-30SF-S	HI CUPLA quick coupling socket, BSPT 3/8" thread, chrome-plated steel	-	15	In stock	Enquiry
NK-400SF-S	HI CUPLA quick coupling socket, BSPT 1/2" thread, chrome-plated steel	-	15	In stock	Enquiry
NK-40SF-S	HI CUPLA quick coupling socket, BSPT 1/2" thread, chrome-plated steel	-	15	In stock	Enquiry
NK-600SF-S	HI CUPLA quick coupling socket, BSPT 3/4" thread, chrome-plated steel	-	15	In stock	Enquiry
NK-800SF-S	HI CUPLA quick coupling socket, BSPT 1" thread, chrome-plated steel	-	15	In stock	Enquiry

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Nitto Kohki HI CUPLA series socket with BSPT internal thread, featuring excellent durability and vibration resistance. Designed for connecting pneumatic tools to air installations. Material: carbon steel. Working pressure: 15 bar. Operating temperature: from -20°C to +80°C (NBR). Flow rate: 4000 l/min (1″), 3200 l/min (3/4″), 2600 l/min (1/2″), 1600 l/min (3/8″), 1000 l/min (1/4″) at a pressure of 5 bar. Note: the medium must flow from the socket to the plug.