DelVal Butterfly Valves

DelVal Series 50/52 Resilient Seated Butterfly Values
Wafer, Lug Body

Standards and Specifications

DelVal Series 50/52 Butterfly Valves are designed and manufactured to meet the requirements of the following general industry standards:


  • Design

    Full compliance to BS EN 593, general compliance to API 609 & MSS SP 67

  • Face to Face

    BS EN 558-1 Series 20, API 609 Category A, ISO 5752 Series 20, MSS SP 67, ASME B16.10

  • Testing

    BS EN 12266-1, API 598, MSS SP 67

  • Flange Standard

    ASME B16.5 Class 150, ASME B16.47 Class 150 Series A, Other International Standards

  • Body Style

    One-Piece

  • *Temp Range

    -29C to 200℃
    -20°F to 390°F

  • Size Range

    2" to 40"