CHECK VALVE

Sanitary Welded Ball Check Valve

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Key Features:‌

  • ‌Type:‌ Fully welded ball check valve with spherical sealing element

  • ‌Material:‌ 316L/304L stainless steel (1.4404/1.4307), electropolished (Ra ≤ 0.5 μm)

  • ‌Connection:‌ Permanent sanitary weld ends (compatible with ASME BPE/ISO 2852 standards)

  • Design:‌

    • Compact, crevice-free construction

    • Free-floating ball design with PTFE/EPDM seals

    • 100% drainable with no fluid entrapment

  • ‌Certifications:‌ 3-A Sanitary Standard (Symbol 08-21), EHEDG, FDA compliant

‌Technical Specifications:‌

Parameter      Specification

Size Range

1/2" to 6" (DN15 to DN150)

Pressure Rating

150 psi (10 bar) @ 250°F (121°C)

Temperature Range

-20°F to 300°F (-29°C to 149°C)

Leakage Rate

Class VI (ANSI FCI 70-2)

Surface Finish

≤ 15 μin (0.38 μm) Ra

‌Applications:‌

  • Biopharmaceutical processing (sterile fluid transfer)

  • High-purity water systems (WFI, RO/DI)

  • Dairy and beverage processing (CIP/SIP systems)

  • Cosmetic and personal care product manufacturing

‌Advantages:‌

  • Eliminates threaded connections that could harbor bacteria

  • Maintains system integrity with permanent welded joints

  • Reduces maintenance with no moving external parts

  • Suitable for steam sterilization (SIP) cycles