High Performance Butterfly Valves - Big Max BX2001
Product Brand
High Performance Butterfly Valves
About this product

The Durco Big Max BX2001 high-performance, all-purpose valve is designed for precise throttling control or on-off service with lighter weight piping systems and less expensive, energy-efficient actuators.

... Read more Read less
Fugitive Emssion
ISO 15848

Fire safe
API 607

End of Line
API 609
  • Broad application versatility via numerous design options: wafer and lug bodies; standard PFA, optional UHMWPE, fire-sealed, Apex® and TriFlex™ seated versions; and multiple packing options
  • Reduced fugitive emissions through triple-leak protection of primary stem seal plus two optional secondary seals
  • Increased capacity and improved flow control with low-profile, double-offset disc
  • Improved personnel and plant safety per adherence to API 609 criteria for safe, reliable anti-blowout protection
  • ASME B16.43
  • ASME B16.5
  • ASME B16.10
  • API 609
  • ISO 5752
  • MSS SP 68
  • API 598
  • MSS SP61
  • ISO 15848-1

Size Range:

  • DN 50 to 900
  • NPS 2" - 36"

Pressure Class Range:

  • PN 10 to 40
  • Class 150 & 300

Seating Material: Soft and Metal

Online Tools

Find Flowserve representatives near you


Find your closest Flowserve resource for new products and replacement parts. We can help improve performance and safety throughout your operation.

Search Sales Contactsright-arrow

Searching for a service or repair for your equipment? Connect with a nearby Quick Response Center (QRC) to resolve problems and optimize equipment.

Find Servicesright-arrow

Are you looking for thought leaders with the expertise you need in your industry? We have industry and application specialists around the world who can assist you.

Locate Industry Expertsright-arrow