Is the Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI suitable for use under vacuum and sudden pressure changes in hydraulic systems?

Yes. Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI is suitable for use under vacuum and sudden pressure changes in hydraulic systems. The product description explicitly states it can operate under vacuum and is designed for applications with sudden pressure changes (e.g., hydraulic systems of casting equipment). Key supporting details: manufactured from special alloy steel with nickel plating for durability; designed to resist vibrations and pulsating pressure; intended for hydraulic oil service; NBR sealing; operating temperature -20Â°C to +80Â°C; working pressure up to 206 bar (size-dependent); flow rated for a 3 bar pressure drop. Ensure you select the correct size/rating for your systemâs maximum pressure and temperature, and verify compatibility with your hydraulic fluid and any specific duty-cycle or dynamic fatigue requirements.

Can the Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI withstand pulsating pressures in casting hydraulic systems?

Yes. The Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI is designed for use in casting hydraulic systems and is explicitly characterized by excellent durability and resistance to vibrations and pulsating pressure. Manufactured from special alloy steel with NBR sealing, it can operate under vacuum and handle hydraulic oil between -20Â°C and +80Â°C. Its working pressure is up to 206 bar (depending on size) and flow ratings are given for a 3 bar pressure drop, making it suitable to withstand the sudden pressure changes typical in casting equipment.

How does the Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI perform with hydraulic oils at temperatures from -20Â°C to +80Â°C?

The Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI performs reliably with hydraulic oils across the specified temperature range of -20Â°C to +80Â°C. Key points: - Compatibility: Designed for hydraulic power (hydraulic oil). material selection and sealing (NBR) are suitable for standard hydraulic fluids within this temperature range. - Temperature effects: NBR seals remain functional from -20Â°C to +80Â°C; at the low end viscosity of oil increases (slower response, possible slower coupling operation), and at the high end viscosity decreases (potentially higher leakage risk if seals degrade over prolonged exposure to high temperatures). Within the stated range normal operation is expected. - Pressure and durability: Rated for working pressures up to 206 bar (size-dependent) and built from special alloy steel with nickel plating, offering excellent durability, vibration and pulsation resistanceâsuitable for systems with sudden pressure changes and vacuum-capable service. - Flow: Flow ratings provided for a 3 bar pressure drop; expect manufacturer-specified flow performance within hydraulic oil applications under those conditions. - Practical guidance: For reliable long-term performance ensure fluid compatibility with NBR, avoid temperatures beyond -20Â°C/ +80Â°C, and adhere to size-specific pressure limits and maintenance intervals. Overall, the Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI is appropriate for hydraulic oil service between -20Â°C and +80Â°C when used within its pressure and application limits.

Nickel-plated steel quick coupling, socket with GW BSPT, HSP CUPLA series, NITTO KOHKI

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Additional information

Material	CS – steel (cast iron)

NITTO KOHKI series HSP CUPLA quick coupling socket with internal BSPT thread. Manufactured in Japan from special alloy steel. Characterized by excellent durability, resistance to vibrations, and pulsating pressure. Used, among others, in hydraulic systems of casting equipment, where sudden pressure changes occur. Can operate under vacuum. Application: hydraulic power (hydraulic oil). Material: nickel-plated steel. Sealing: NBR. Operating temperature: from -20°C to +80°C. Working pressure: up to 206 bar (depending on the sizes of the quick coupling). Flow has been provided for a pressure drop of 3 bar.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NK-10HS	HSP CUPLA socket with 1.1/4" BSPT thread, nickel-plated steel	-	180	In stock	Enquiry
NK-12HS	HSP CUPLA socket with 1.1/2" BSPT thread, nickel-plated steel	-	180	In stock	Enquiry
NK-16HS	HSP CUPLA socket with 2" BSPT thread, nickel-plated steel	-	140	In stock	Enquiry
NK-2HS	HSP CUPLA socket with 1/4" BSPT thread, nickel-plated steel	-	206	In stock	Enquiry
NK-3HS	HSP CUPLA socket with 3/8" BSPT thread, nickel-plated steel	-	206	In stock	Enquiry
NK-4HS	HSP CUPLA socket with 1/2" BSPT thread, nickel-plated steel	-	206	In stock	Enquiry
NK-66HS	HSP CUPLA socket with 3/4" BSPT thread, nickel-plated steel	-	206	In stock	Enquiry
NK-6HS	HSP CUPLA socket with 3/4" BSPT thread, nickel-plated steel	-	206	In stock	Enquiry
NK-8HS	HSP CUPLA socket with 1" BSPT thread, nickel-plated steel	-	206	In stock	Enquiry

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NITTO KOHKI series HSP CUPLA quick coupling socket with internal BSPT thread. Manufactured in Japan from special alloy steel. Characterized by excellent durability, resistance to vibrations, and pulsating pressure. Used, among others, in hydraulic systems of casting equipment, where sudden pressure changes occur. Can operate under vacuum. Application: hydraulic power (hydraulic oil). Material: nickel-plated steel. Sealing: NBR. Operating temperature: from -20°C to +80°C. Working pressure: up to 206 bar (depending on the sizes of the quick coupling). Flow has been provided for a pressure drop of 3 bar.