Is the Brass Quick Coupling Plug with BSPT Male Valve, NITTO KOHKI SP CUPLA Type A suitable for use with steam up to 180°C?

Yes. The Brass Quick Coupling Plug with BSPT Male Valve, NITTO KOHKI SP CUPLA Type A is suitable for use with steam up to 180°C. It is made of durable brass, engineered to handle steam among other media, and has an operating temperature range of -20°C to +180°C with viton sealing. Ensure you use the correct size and observe the stated working pressures (up to 50 bar for 1/8", 1/4", 3/8"; 30 bar for 1/2") and any system-specific safety considerations.

Can the Brass Quick Coupling Plug with BSPT Male Valve, NITTO KOHKI SP CUPLA Type A be used safely with hydraulic oils at 50 bar?

Yes. Brass Quick Coupling Plug with BSPT Male Valve, NITTO KOHKI SP CUPLA Type A is specified for use with hydraulic oils and is rated to a working pressure of up to 50 bar for the 1/8", 1/4" and 3/8" sizes. Its brass construction, Viton seals (suitable for oils), and an operating temperature range of -20°C to +180°C support safe operation with hydraulic fluids within those pressure and temperature limits. Note that the 1/2" size is limited to 30 bar—do not exceed that. Always ensure compatibility with the specific hydraulic oil used, verify correct size/installation, and follow system safety procedures and applicable standards.

Brass Quick Coupling Plug with BSPT Male Valve, NITTO KOHKI SP CUPLA Type A

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

Additional information

Material	B – brass (bronze)

The Nitto Kohki SP CUPLA Type A shut-off valve plug with external BSPT thread is a highly reliable solution designed for demanding industrial applications, combining robust construction with exceptional versatility. Manufactured from durable brass, it ensures long-lasting performance and resistance to wear, even under intensive use. Engineered to handle a wide range of media, including water, hydraulic oils, steam, chemicals, air, and gases, it offers outstanding flexibility across multiple sectors. With a working pressure of up to 50 bar for sizes 1/8″, 1/4″, and 3/8″, and 30 bar for 1/2″, it guarantees safe and efficient operation in both high- and medium-pressure systems. The operating temperature range from -20°C to +180°C, supported by viton sealing, provides excellent reliability in extreme conditions, making it suitable for both low-temperature and high-heat environments. This advanced shut-off valve plug is the perfect choice for professionals seeking efficiency, safety, and durability in fluid and gas control systems.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
NK-1P-M-A-BV	SP-A CUPLA quick coupling plug, GZ BSPT 1/8", brass, viton	-	50	In stock	Enquiry
NK-2P-M-A-BV	SP-A CUPLA quick coupling plug, GZ BSPT 1/4", brass, viton	-	50	In stock	Enquiry
NK-3P-M-A-BV	SP-A CUPLA quick coupling plug, GZ BSPT 3/8", brass, viton	-	50	In stock	Enquiry
NK-4P-M-A-BV	SP-A CUPLA quick coupling plug, GZ BSPT 1/2", brass, viton	-	30	In stock	Enquiry

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The Nitto Kohki SP CUPLA Type A shut-off valve plug with external BSPT thread is a highly reliable solution designed for demanding industrial applications, combining robust construction with exceptional versatility. Manufactured from durable brass, it ensures long-lasting performance and resistance to wear, even under intensive use. Engineered to handle a wide range of media, including water, hydraulic oils, steam, chemicals, air, and gases, it offers outstanding flexibility across multiple sectors. With a working pressure of up to 50 bar for sizes 1/8″, 1/4″, and 3/8″, and 30 bar for 1/2″, it guarantees safe and efficient operation in both high- and medium-pressure systems. The operating temperature range from -20°C to +180°C, supported by viton sealing, provides excellent reliability in extreme conditions, making it suitable for both low-temperature and high-heat environments. This advanced shut-off valve plug is the perfect choice for professionals seeking efficiency, safety, and durability in fluid and gas control systems.