Concentric Butterfly Valve72 of 72 butterfly valves
Butterfly Valve

Ventilation Butterfly Valve

Specifications

Confirmed at quote
Size Range
DN100 to DN6000
Pressure Class
PN6
Standards
API 609, ASME B16.34, JB/T8692, ASME B16.10, GB/T12221, API 598, GB/T13927, GB/T12224, ASME B16.5, ASME B16.47, GB/T9124, ASME B16.25
End connection
ASME B16.5 flange · ASME B16.47 flange · GB/T9124 flange · Butt weld ASME B16.25 · Butt weld GB/T12224

Available sizes

Standard DN sizes covered by this product. Confirmed at quote.

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

All available material options per part. Click a pill to set it in the configurator.

body
stem and disc

Features

  • Centreline or eccentric structure providing low pressure drop and high flow capacity
  • Multi-level sealing system rated to 300 °C with dust prevention capability
  • Integrally forged valve stem and butterfly plate for high strength and extended service life
  • Low-torque sealing structure enabling efficient regulation of large gas flows
  • Wear-resistant sealing rings suitable for high-temperature and dusty conditions
  • Compact structure with simple maintenance
  • Suitable for both flow regulation and shut-off duty in ventilation ducts
  • Size range DN100 to DN6000 (NPS 4 to NPS 240)

Notes

  • Etc. listed after main materials, suggesting additional material options available on request

Description

A butterfly valve designed for industrial ventilation and gas transportation systems, featuring a high-strength carbon steel or stainless steel valve body with a low-torque sealing structure for regulating large gas flows. Available in centrelined or eccentric configurations with a multi-level sealing system rated to 600 °C and wear-resistant sealing rings for dusty or high-temperature environments. The valve stem and butterfly plate are integrally forged, providing high strength and extended service life.

Smart find

Searches our product catalogue using your spec. Drop a PDF (or multiple PDFs at once), paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.

Related Butterfly Valves

Ventilation Butterfly Valve | Euro Flow Control