Is the SMC Polycarbonate Hose Quick-Connect Socket, No Valve, DN 1.2 Series compatible with medical-grade tubing and sterilization processes?

Yes — the SMC Polycarbonate Hose Quick-Connect Socket, No Valve, DN 1.2 Series is suitable for many medical-grade tubing and sterilization contexts, with some important caveats. Why it’s suitable: - The product description explicitly lists medical blood handling among intended applications, indicating design consideration for medical use. - Material and performance: durable polycarbonate construction, rated working pressure to 6.9 bar and operating temperature range –40°C to +121°C — this covers common sterilization methods such as autoclaving (steam sterilization up to ~121°C) and many cold/chemical sterilants. - The secure twist-lock and slight hose-rotation feature help prevent kinking, twisting, and accidental disconnection — important for safe medical fluid handling. Caveats and checks required: - “Medical-grade” compatibility depends on specific tubing materials, biocompatibility standards (e.g., ISO 10993), and regulatory approvals (e.g., FDA, CE) required for your application. The description does not state biocompatibility certifications or sterilization validation. - Repeated autoclaving can degrade some polycarbonates over time; verify long-term compatibility for your sterilization cycle frequency. - Confirm chemical compatibility between polycarbonate and any sterilants or fluids used (e.g., strong oxidizers, solvents). - Ensure fittings and tubing meet your facility’s regulatory and traceability requirements. Recommendation: Verify with SMC or your supplier for certificate of biocompatibility, sterilization validation data, and chemical compatibility for your specific tubing and sterilization regimen before clinical use.

Can the SMC Polycarbonate Hose Quick-Connect Socket, No Valve, DN 1.2 Series withstand repeated autoclave cycles without degrading performance or causing contamination?

SMC Polycarbonate Hose Quick-Connect Socket, No Valve, DN 1.2 Series: Yes — with qualifications. The coupling is made of durable polycarbonate and is specified to operate reliably from -40°C to +121°C, which covers standard autoclave temperatures (typically up to ~121°C). Its design for demanding applications (medical blood handling, lab use) and resistance to working pressures up to 6.9 bar indicate robust mechanical performance. For typical autoclave cycles at 121°C it should retain function and sealing, provided cycles do not exceed the stated temperature limit and exposure times are within normal sterilization practice. However, repeated autoclaving can accelerate material aging, cause gradual loss of mechanical toughness, micro-cracking, crazing, or surface degradation in polycarbonate, and may affect the twist-lock fit and hose seal over many cycles—potentially leading to leaks or particulate contamination. Chemical residues (cleaners, biofilms) and steam condensing can also affect long-term contamination risk. Recommendation: acceptable for repeated autoclave use if: - Autoclave temperature does not exceed +121°C and exposure times are standard. - Number of cycles is limited and monitored; perform periodic inspection for cracks, discoloration, seal wear, or loss of locking integrity. - Follow manufacturer-specific validation or contact SMC for approved sterilization cycle counts and any alternative sterilization methods (e.g., chemical sterilants) if high-cycle durability is required. If a documented, high-cycle autoclave qualification is required for critical medical or analytical applications, obtain manufacturer test data or choose a coupling material specifically rated for extensive steam sterilization.

SMC Polycarbonate Hose Quick-Connect Socket, No Valve, DN 1.2 Series

All products, Industrial plastic quick couplings/

Additional information

Material	P – material (plastic)

The quick coupling socket with hose end, made of durable polycarbonate, is designed for demanding applications such as inkjet printing systems, medical blood handling, cooling fluids, and gas chromatography. With a nominal size of DN 1.2 mm and a compact total length, it ensures precise and secure connections. The innovative twist-lock mechanism allows two parts of the coupling to be joined effortlessly, while also enabling slight hose rotation to prevent kinking, twisting, or accidental disconnection during operation. Engineered to perform under challenging conditions, it withstands working pressures up to 6.9 bar and operates reliably across a wide temperature range from -40°C to +121°C. This makes it an ideal solution for industries requiring safe, leak-free, and efficient fluid or gas transfer in both laboratory and industrial environments.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]	Enquiry
CC-SMX-03-PC	SMC socket DN1.2 for hose 1/8", without valve, polycarbonate	-	6.9

The quick coupling socket with hose end, made of durable polycarbonate, is designed for demanding applications such as inkjet printing systems, medical blood handling, cooling fluids, and gas chromatography. With a nominal size of DN 1.2 mm and a compact total length, it ensures precise and secure connections. The innovative twist-lock mechanism allows two parts of the coupling to be joined effortlessly, while also enabling slight hose rotation to prevent kinking, twisting, or accidental disconnection during operation. Engineered to perform under challenging conditions, it withstands working pressures up to 6.9 bar and operates reliably across a wide temperature range from -40°C to +121°C. This makes it an ideal solution for industries requiring safe, leak-free, and efficient fluid or gas transfer in both laboratory and industrial environments.