Is the Hose Quick Connect Plug, No Valve, Acetal, SMC Series DN 1.2 suitable for inkjet and medical blood-transfer systems operating up to 6.9 bar and -40°C to +82°C?

Yes. The Hose Quick Connect Plug, No Valve, Acetal, SMC Series DN 1.2 is suitable for inkjet and medical blood-transfer systems operating up to 6.9 bar and -40°C to +82°C. Its acetal construction with an NBR O-ring provides reliable sealing at the specified pressure and temperature range. The valve-less, twist-to-connect design ensures a secure, leak-free connection while allowing slight hose rotation to prevent kinking, twisting, or accidental disconnection—beneficial for sensitive applications like inkjet printing and blood transfer. If your application requires a shut-off function or additional color-coding, consider the versions with an integrated valve or black color option.

Can the Hose Quick Connect Plug, No Valve, Acetal, SMC Series DN 1.2 be used with aggressive inks or sterilization chemicals without degrading the acetal body or NBR O-ring?

Hose Quick Connect Plug, No Valve, Acetal, SMC Series DN 1.2 uses an acetal body and an NBR (nitrile) O-ring. Acetal (POM) offers good chemical resistance to many hydrocarbons and solvents but can be attacked or stressed by strong oxidizers, some chlorinated solvents, and certain aggressive chemicals. NBR is broadly resistant to oils, greases, and many aqueous solutions but has limited resistance to strong acids, ketones, chlorinated solvents, and some sterilization agents (e.g., high‑concentration hydrogen peroxide, peracetic acid, or aggressive disinfectant formulations). Given typical aggressive inks and common sterilization chemicals, compatibility cannot be guaranteed without specific formulation data. For inkjet inks that are solvent‑based or contain aggressive solvents, or for sterilants such as high‑strength oxidizers or certain sterilant mixtures, chemical attack may degrade the acetal body or swell/embrittle the NBR O‑ring, shortening service life and risking leaks. For aqueous, mild or water‑based inks and common low‑concentration disinfectants within the coupling’s stated temperature and pressure limits, the materials are more likely to perform acceptably. Recommendation: Confirm the exact chemical composition and concentrations of the inks/sterilants and perform material compatibility checks (manufacturer data or exposure testing). If compatibility is doubtful, consider versions with alternative elastomers (e.g., EPDM, FKM) or housings made from more chemically resistant plastics or metals.

Hose Quick Connect Plug, No Valve, Acetal, SMC Series DN 1.2

All products, Industrial plastic quick couplings/

Additional information

Material	P – material (plastic)

The quick coupling plug with hose end, designed without a valve, is a reliable solution for demanding applications such as inkjet printing systems, medical environments involving blood transfer, cooling circuits, or advanced processes like gas chromatography. Its innovative connection method, based on twisting two parts together, ensures a secure and leak-free fit while allowing slight hose rotation to prevent kinking, twisting, or accidental disconnection during operation. With a nominal size of DN 1.2 mm and a compact total length, this coupling combines precision with practicality. Manufactured from durable acetal and equipped with an NBR O-ring, it guarantees excellent sealing performance under working pressures up to 6.9 bar and within a wide temperature range from -40°C to +82°C. For enhanced versatility, versions with an integrated valve and in black color are also available, offering tailored solutions for specific technical requirements. This coupling is the perfect choice for professionals seeking reliability, safety, and efficiency in fluid and gas handling systems.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
CC-SMX-06-AC	SMC plug DN1.2 for 1/16" hose, without valve, acetal	-	6.9	In stock	0 €		Enquiry
CC-SMX-07-AC	SMC plug DN1.2 for 1/8" hose, without valve, acetal	-	6.9	In stock	0 €		Enquiry

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The quick coupling plug with hose end, designed without a valve, is a reliable solution for demanding applications such as inkjet printing systems, medical environments involving blood transfer, cooling circuits, or advanced processes like gas chromatography. Its innovative connection method, based on twisting two parts together, ensures a secure and leak-free fit while allowing slight hose rotation to prevent kinking, twisting, or accidental disconnection during operation. With a nominal size of DN 1.2 mm and a compact total length, this coupling combines precision with practicality. Manufactured from durable acetal and equipped with an NBR O-ring, it guarantees excellent sealing performance under working pressures up to 6.9 bar and within a wide temperature range from -40°C to +82°C. For enhanced versatility, versions with an integrated valve and in black color are also available, offering tailored solutions for specific technical requirements. This coupling is the perfect choice for professionals seeking reliability, safety, and efficiency in fluid and gas handling systems.