Global Global
Global Global
India India
Australia Australia
UAE UAE
Metaval Menu

Home > Product Division > Valves > Butterfly Valve > Concentric

Concentric, Butterfly Valve

Metaval’s Concentric Butterfly Valve is a high-performance, cost-effective solution designed for general-purpose shut-off and throttling applications. Featuring a central disc and resilient soft seat, it offers excellent flow control with minimal pressure drop. With its simple yet durable design, it is ideal for low-to-medium pressure systems across a broad range of industries.

Size Range

2” to 48”

DN Range:

50 to 1200

PN Range:

PN 10 to PN 25

Size Range:

2” to 48”

DN Range:

DN 15 to 1200

PN Range:

PN 10 to PN 25

Pressure Rating:

Class 150

Temperature Range:

-10°C to 120°C (depending on seat material)

End Connections:

Wafer, Lug, Flanged, Tri-Clamp

  • Valve Design: API 609, EN 593, AWWA C504, ASME B16.34, AS4795.1, ISO 5752
  • Material Standards: EN 16668
  • Face-to-Face: EN 558, ISO 5752, API 609, MSS-SP-67, ASME B16.10
  • Top Flange: ISO 5211
  • Flange Drilling: EN 1092-1, ASME B16.5/B16.47 AS 4087, AS2129, BS5155 
  • Testing Standards: EN 12266-1, API 598

Body: Ductile Iron, Cast Iron, WCB, Stainless Steel others on request
Disc: Ductile Iron (epoxy coated), Stainless Steel (CF8, CF8M), Bronze
Seat: EPDM, NBR, PTFE, Viton, Neoprene, PFA
Stem: SS 410, SS 304, SS 316
Gasket: NBR, EPDM, PTFE

  • Bubble-tight Shut-off: Zero leakage in both flow directions
  • Compact and Lightweight: Ideal for space-constrained systems
  • Easy Maintenance: Seat is field-replaceable
  • Bi-directional Flow: Versatile flow control
  • ISO Mounting Pad: Compatible with actuators
  • Corrosion Resistant Options: Coated bodies or stainless disc options available
  • Hydrostatic and Pneumatic Pressure Testing
  • Helium and Nitrogen Leakage Testing
  • Seat Leakage Testing – EN 12266-1 Rate A
  • Positive Material Identification (PMI)
  • DPT, Hardness, Surface Roughness Checks
  • Dimensional Accuracy and Functional Testing
  • Water and Wastewater Treatment
  • HVAC and Cooling Systems
  • Food and Beverage
  • General Industrial Utilities
  • Fire Protection Systems
  • Chemical Processing (non-corrosive media)
  • Potable Water
  • Treated Effluents
  • Chilled Water
  • Neutral Chemicals
  • Low-Pressure Air and Gases
  • CE Certified
  • PED 2014/68/EU
  • ISO 9001:2015 – Quality Management
  • ISO 14001:2015 – Environmental Management
  • ISO 45001:2018 – Occupational Health & Safety

Documentation

Complete In-House Manufacturing Control

From forging and casting to machining, assembly, and testing — every step is managed under one roof to ensure consistent quality, faster lead times, and zero compromise.

Contact Us

Get in touch with our team for additional information on product pricing, technical data, project support and more.