DelVal Butterfly Valves

DelVal Series 44 - 49 High Performance Butterfly Valves
Wafer, Lug, Double Flanged

Standards and Specifications

DelVal Double Offset High Performance Butterfly Valves are designed and manufactured to meet the requirements of the following industry standards:


  • Reference Design Standards

    API 609, BS EN 593, MSS SP-68

  • Face to Face

    API 609, ISO 5752, BS EN 558, MSS SP-68

  • Testing

    API 598, ISO 5208, BS EN 12266, MSS SP-68

  • Flange Accommodation

    ASME B16.5, ASME B16.47, other international standards

  • Pressure Temperature

    ASME B16.34

  • NACE (optional)

    ANSI / NACE MR0175 / ISO 15156, ANSI / NACE MR0103 / ISO 17945

  • Fire Safe Certified (optional)

    API 607

  • Fugitive Emission (optional)

    ISO 15848

  • Pressure Equipment Compliance

    PED 2014 / 68 / EU

  • Body Style

    Wafer, Lug, Double Flanged

  • Pressure Rating

    CL150 to CL300

  • Temp. Range*

    -50C to 260°C (Soft Seat / Fire Safe Seat)
    -50°C to 427°C (Metal Seat)

  • Size Range**

    DN 50 to DN 1500 (2" to 60")

Certifications
card_membership Certificate API 609
card_membership Certificate DNV GL Resilient Seated Butterfly Valve Series 50-52-51-53
card_membership Certificate NSF 61-4A to 4F Triple Offset
card_membership Certificate NSF 61-372 series 44-49 Double offset BFV
card_membership Certificate NSF 61-372 Series 50-52-5C-5D
card_membership Certificate SIL3 Series 44-49 TriO BFV