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Delta T High Performance Butterfly Valves
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Delta T High Performance Butterfly Valves


Delta T High Performance Butterfly Valves deliver reliable operation in demanding applications. The unique seat and body design enables easy maintenance without compromising durability or tight shutoff. Configurable for specialty uses, these valves handle high pressure, temperature, and cycle life.


  • ANSI 150, 300, and 600 ratings in wafer, lug, and flanged styles.
  • WCB and CF8M bodies standard; extensive exotic alloy options including Aluminum Bronze,

Duplex SS, Super Duplex, Inconel, Incoloy, and more.

  • Blowout-proof stem design improves safety.
  • Stocked trims equipped with stainless steel disc and stem (standard).
  • TFM 1600 soft seats standard; PTFE, RTFE, and metal seats available.
  • Fire-safe and metal-seated designs available.
  • Bi-directional dead end service available for lug and flanged designs.
  • ISO 5211 mounting standard.
  • Softseat versions feature Class VI/bubble tight directional sealing.


  • Water and wastewater treatment.
  • Chemical processing.
  • Petroleum production and refining.
  • HVAC and building services.
  • Food and beverage.
  • Mining and mineral processing.


  • API 609 and MSS SP-68.
  • API 598 and MSS SP61.
  • ASME B16.34 - design compliance, B16.5 - flange dimension compliance. 
  • API 607 - fire safe by third-party testing.
  • ASME / FCI 70-2 - seat leakage compliance.
  • ISO 15848-1 – fugitive emissions compliance.
  • MSS SP-25 – marking compliance.
  • Heads up to 1200 feet
  • Flows to 60,000 GPM
  • Pressures to ANSI 600 rating
  • Temperatures from -20°F to 500°F
  • Sizes from 2” to 48” (5 cm to 122 cm).


Delta T Products, LLC is dedicated to the distribution of economical high-quality valve products to the flow control industry. Delta T is focused on quarter turn butterfly valve solutions, from standard industrial iron valves, stainless steel industrial valves, sanitary valves, high performance valves (double and triple offset), as well as manual gearing, declutchable gearing, stem extensions, and chain & handwheel options.


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