Is the Bulkhead Hose Connector, No Valve, Acetal, SMC Series DN 1.2 suitable for use with inkjet inks and medical fluids without degrading the NBR o-ring?

Based on the provided description, the Bulkhead Hose Connector, No Valve, Acetal, SMC Series DN 1.2 is explicitly described as suitable for demanding applications such as inkjet printing systems and medical blood handling. It is made of acetal and uses an NBR (nitrile) o-ring. NBR offers good resistance to many water-based inks, common solvent-based inks (limited), and many medical fluids, but its compatibility depends on the specific fluid chemistry (solvent type, concentration, temperature, and exposure time). Practical guidance: - For typical water-based inkjet inks and aqueous medical fluids (e.g., blood handling, saline), the connector and NBR o-ring should perform acceptably within the stated temperature range (-40°C to +82°C) and pressure (up to 6.9 bar). - For solvent-rich inks (ketones, strong esters, chlorinated solvents) or aggressive medical reagents, NBR may swell, harden, or degrade; acetal is more solvent-resistant but not immune. - If prolonged exposure, high temperatures near +82°C, or aggressive chemistries are expected, perform material compatibility testing or consult the ink/chemical manufacturer. Consider alternative o-ring materials (e.g., EPDM, FKM/Viton, PTFE) if incompatibility is found. Conclusion: The Bulkhead Hose Connector, No Valve, Acetal, SMC Series DN 1.2 is suitable for many inkjet inks and common medical fluids, but confirm compatibility for specific fluids—especially solvent-heavy or aggressive chemicals—before deployment.

Can the Bulkhead Hose Connector, No Valve, Acetal, SMC Series DN 1.2 be autoclaved or sterilized without damaging the acetal body or NBR o-ring?

Bulkhead Hose Connector, No Valve, Acetal, SMC Series DN 1.2 cannot be reliably autoclaved without risk of damage. Acetal (POM) has a continuous use temperature up to +82°C, while typical autoclave cycles reach 121°C (or higher) with steam and pressure, which exceeds the material’s temperature limit and can cause warping, loss of mechanical properties or dimensional changes. The NBR (nitrile) o‑ring also degrades at autoclave temperatures and prolonged steam exposure, risking swelling, hardening or loss of sealing performance. For sterilization compatible with the stated materials, consider lower‑temperature methods (e.g., chemical sterilants, ethylene oxide where compatible, or validated low‑temperature gas plasma) after verifying chemical compatibility and process validation. If high‑temperature steam sterilization is required, select a connector and seal materials specifically rated for autoclave conditions.

Bulkhead Hose Connector, No Valve, Acetal, SMC Series DN 1.2

All products, Industrial plastic quick couplings/

Additional information

Material	P – material (plastic)

The quick-connect socket with hose end, designed without a valve, is an advanced solution for demanding applications such as inkjet printing systems, medical blood handling, cooling circuits, or gas chromatography. Its innovative mechanism allows users to connect by simply twisting the two coupling parts, enabling fast and reliable one-handed operation. A distinct click confirms a secure and tight fit, ensuring confidence in every use. Manufactured from durable acetal and equipped with an NBR o-ring, the coupling guarantees long-lasting performance even under challenging conditions. With a nominal size of DN 1.2 mm, it withstands working pressures up to 6.9 bar and operates efficiently within a wide temperature range from -40°C to +82°C. The compact design and precise engineering make it an ideal choice for industries requiring both safety and convenience. For added versatility, versions with an integrated valve and in elegant black color are also available, offering tailored solutions to meet diverse technical and aesthetic requirements.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
CC-SMX-08-AC	SMC plug DN1.2 for 1/16" hose, without valve, grooved, acetal	-	6.9	In stock	0 €		Enquiry
CC-SMX-09-AC	SMC plug DN1.2 for 1/8" hose, without valve, grooved, acetal	-	6.9	In stock	0 €		Enquiry

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The quick-connect socket with hose end, designed without a valve, is an advanced solution for demanding applications such as inkjet printing systems, medical blood handling, cooling circuits, or gas chromatography. Its innovative mechanism allows users to connect by simply twisting the two coupling parts, enabling fast and reliable one-handed operation. A distinct click confirms a secure and tight fit, ensuring confidence in every use. Manufactured from durable acetal and equipped with an NBR o-ring, the coupling guarantees long-lasting performance even under challenging conditions. With a nominal size of DN 1.2 mm, it withstands working pressures up to 6.9 bar and operates efficiently within a wide temperature range from -40°C to +82°C. The compact design and precise engineering make it an ideal choice for industries requiring both safety and convenience. For added versatility, versions with an integrated valve and in elegant black color are also available, offering tailored solutions to meet diverse technical and aesthetic requirements.