Sanitary Welded Check Valve
The welded check valve is a sanitary one-way valve with butt-weld end connections. It is permanently welded into the pipeline system, providing a fully sealed connection with zero leakage risk at the joints. This design eliminates any crevices or gaps at the connection points, making it the preferred choice for high-purity and high-temperature applications where absolute sealing integrity is required. The welded ends ensure the valve becomes an integral part of the piping system.
【Size】DN15～DN150
【Dimension】Φ19～Φ159
【Material】SUS304, SUS316L
【Surface Roughness】Ra≤0.8μm
【Sealing】Food Grade EPDM, Silicone, PTFE
Sanitary Welded Check Valve
Key Features
• Butt-weld ends for permanent leak-free installation.
• Zero leakage risk at connection joints.
• Full penetration weld ensures structural integrity.
• Eliminates crevices at joints for superior hygiene.
• Suitable for high-temperature and high-pressure applications.
• CIP and SIP compatible.
• Minimal maintenance required after installation.
Technical Specifications
• Design Standards: DIN, SMS, ISO, 3A.
• Max Pressure: 10 bar (145 psi).
• Operating Temperature: -10°C to +120°C.
• Surface Roughness: Ra ≤ 0.8μm.
• Valve Body: SS304/SS316L/2205 stainless steel.
• Seal Material: EPDM, Silicone, Viton, PTFE.
• Connection Types: Weld
• Certifications: FDA compliant.
Applications
• High-purity pharmaceutical processing.
• Biopharmaceutical and sterile manufacturing.
• High-temperature CIP and SIP systems.
• Continuous processing pipelines.
• Chemical and petrochemical sanitary applications.
• Clean-in-place return lines.
• High-pressure process systems.
