Is the Nickel-Plated Steel Quick Coupler, BSP/BSPT Male Thread, HSP CUPLA Series, NITTO KOHKI suitable for continuous operation at 206 bar and -20°C to +80°C?

Yes — Nickel-Plated Steel Quick Coupler, BSP/BSPT Male Thread, HSP CUPLA Series, NITTO KOHKI is suitable for continuous operation at 206 bar and within the temperature range of −20°C to +80°C, provided the specific coupling size is rated for the 206 bar working pressure. The product is manufactured from premium nickel‑plated alloy steel for strength and durability, designed to withstand vibrations and pulsating pressures typical of demanding hydraulic applications, and features NBR seals for secure, leak‑free performance. It is also specified for operation under vacuum conditions and offers optimized flow with minimal pressure drop. Ensure you select the correct coupling size whose working pressure rating reaches 206 bar and follow proper installation, maintenance, and system compatibility checks (fluid type, seal compatibility, cyclical loading limits) for reliable continuous service.

Does the Nickel-Plated Steel Quick Coupler, BSP/BSPT Male Thread, HSP CUPLA Series, NITTO KOHKI require special maintenance after exposure to pulsating pressures or vibrations?

Nickel-Plated Steel Quick Coupler, BSP/BSPT Male Thread, HSP CUPLA Series, NITTO KOHKI Format: No special maintenance is required solely because the coupler has been exposed to pulsating pressures or vibrations. The product is specifically designed and manufactured to withstand vibrations and pulsating pressure, offering stable performance in demanding hydraulic applications. Routine maintenance best practices should still be followed: regular visual inspections for wear, corrosion or damage; check the NBR seals for hardening, cuts or leaks and replace if compromised; ensure threaded connections remain tight and free of debris; and follow manufacturer-recommended lubrication and replacement intervals for seals or mating components. If the coupler has experienced abnormal shock, excessive vibration levels beyond specified operating conditions, or visible damage, remove it from service and perform a thorough inspection or replace it to ensure safety and reliability.

Nickel-Plated Steel Quick Coupler, BSP/BSPT Male Thread, HSP CUPLA Series, NITTO KOHKI

All products, Hydraulic quick couplings/

Additional information

Material	CS – steel (cast iron)

The NITTO KOHKI HSP CUPLA quick coupling socket with external BSP or BSPT thread is a high-performance solution engineered in Japan from premium nickel-plated alloy steel, ensuring exceptional strength and long-lasting reliability. Designed to withstand vibrations and pulsating pressure, it delivers stable performance even in demanding hydraulic applications such as casting equipment, where sudden pressure fluctuations are common. Its robust construction allows operation under vacuum conditions, while the NBR sealing guarantees secure and leak-free connections. With an operating temperature range from -20°C to +80°C and working pressure up to 206 bar, depending on the coupling size, this socket provides versatility and safety across a wide spectrum of hydraulic systems. Optimized flow characteristics ensure efficiency with a pressure drop of only 3 bar, making it an ideal choice for professionals seeking durability, precision, and consistent performance in hydraulic power transmission.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NK-2HS-G-S	HSP CUPLA socket with GZ 1/4" BSP, nickel-plated steel	-	206	In stock	Enquiry
NK-2HS-R	HSP CUPLA socket with GZ 1/4" BSPT, nickel-plated steel	-	206	In stock	Enquiry
NK-3HS-GS	HSP CUPLA socket with GZ 3/8" BSP, nickel-plated steel	-	206	In stock	Enquiry
NK-3HS-R	HSP CUPLA socket with GZ 3/8" BSPT, nickel-plated steel	-	206	In stock	Enquiry
NK-4HS-GS	HSP CUPLA socket with GZ 1/2" BSP, nickel-plated steel	-	206	In stock	Enquiry
NK-4HS-R	HSP CUPLA socket with GZ 1/2" BSPT, nickel-plated steel	-	206	In stock	Enquiry
NK-6HS-GS	HSP CUPLA socket with GZ 3/4" BSP, nickel-plated steel	-	206	In stock	Enquiry
NK-6HS-R	HSP CUPLA socket with GZ 3/4" BSPT, nickel-plated steel	-	206	In stock	Enquiry

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The NITTO KOHKI HSP CUPLA quick coupling socket with external BSP or BSPT thread is a high-performance solution engineered in Japan from premium nickel-plated alloy steel, ensuring exceptional strength and long-lasting reliability. Designed to withstand vibrations and pulsating pressure, it delivers stable performance even in demanding hydraulic applications such as casting equipment, where sudden pressure fluctuations are common. Its robust construction allows operation under vacuum conditions, while the NBR sealing guarantees secure and leak-free connections. With an operating temperature range from -20°C to +80°C and working pressure up to 206 bar, depending on the coupling size, this socket provides versatility and safety across a wide spectrum of hydraulic systems. Optimized flow characteristics ensure efficiency with a pressure drop of only 3 bar, making it an ideal choice for professionals seeking durability, precision, and consistent performance in hydraulic power transmission.