Butterfly Valve

 Supmea  butterfly valve series offers zero-leakage sealing, low torque operation and wide size ranges from DN50 to DN1200. Ideal for water treatment plants, HVAC systems and industrial pipelines. 

Characteristics

  • Quarter-turn operation for fast and efficient flow control.
  • Compact and lightweight design for easy installation and maintenance.
  • Excellent sealing performance with reliable shut-off capability.
  • Low flow resistance ensures efficient fluid transmission.
  • Corrosion-resistant materials suitable for demanding environments.
  • Available with manual, pneumatic, or electric actuators.
  • Suitable for water, air, oil, wastewater, and various industrial media.
  • Long service life with stable and dependable operation.

Technical Specifications

Parameter Specification
Design Standard BS EN593 / MSS SP-67 / GB/T 12238
Test Standard BS EN 12266 / GB/T 13927
F-F Dimension BS EN558 / ISO 5752 / GB/T12221
Flange Standard BS EN1092-2 / GB/T17241.6
Top Flange ISO 5211
Nominal Diameter DN50 ~ DN1200
Nominal Pressure PN16
Work Temperature -10°C ~ 120°C
Shell Test 24 bar
Seal Test 17.6 bar
Applicable Media Water, Ethylene glycol ≤50%
Body Material Ductile Iron (QT450)/SS304 / SS316
Disc Material DI+Ni / SS CF8 / CF8M
Stem Material SS416 / SS316 / SS316L
Seat Material EPDM
Surface Treatment Epoxy powder / Polyurethane

 

Key Features

  • Compact design with small footprint — easy to install and maintain
  • Excellent sealing performance with zero leakage, ensuring no fluid escapes
  • Wide range of industrial applications: water treatment plants, power plants, steel mills, chemical plants
  • Low pressure drop and excellent regulation performance with wide regulation range and high precision
  • Rapid closing and opening — fully open or fully closed in a short time
  • Maintenance-free — designed for long service life with minimal downtime
  • Safety groove on stem prevents stem blow-out
  • Pinless plate connection for bidirectional butterfly valve installation
  • On-site seat replacement without removing valve from pipeline

 

Available Models

Model Description
Fig. 2123 – Double Flanged BFV DN50~DN1200 · Lever / Gearbox / Electric Actuator · Epoxy coated body
Fig. 2122 – Concentric U-type BFV DN50~DN600 · Compact face-to-face · PN16
Fig. 2309 – Concentric Wafer BFV DN50~DN600 · Wafer installation · Lightweight design
Fig. 2349 – Wafer Soft Back BFV DN50~DN600 · Soft-backed EPDM seat · Enhanced sealing performance
Fig. 2509 – Lug BFV (Pin Center) DN50~DN600 · Lug type with pin center line · Dead-end service capable
Fig. 2549 – Lug Center Line BFV DN50~DN600 · Full lug body · BS EN 1092-2 flanges
Fig. 2330 – Wafer Vulcanized BFV DN50~DN600 · Rubber-lined vulcanized seat · Corrosion resistant
Fig. 2530 – Lug Vulcanized BFV DN50~DN600 · Lug vulcanized body · Suitable for aggressive media
Fig. 2390 – Antidew BFV Series DN50~DN300 · API 609 · Aluminum body · Anti-condensation design for HVAC

Related Products

Need more information?

Contact us for more details about our solutions and services

This site uses cookies

We use cookies to collect information about how you use this site. We use this information to make the website work as well as possible and improve our services.