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Large Diameter Butterfly Valve

Large Diameter Butterfly Valve

Carbon Steel (WCB, WCC for strength), Stainless Steel (SS304, SS316 for corrosion resistance)

Size Range:2″ to 48″ (DN50-DN1200)

Connection Options:Flanged

Working Pressure:Up to 300 psi (20.7 bar)

Working Temperature:-29°C to 200°C

Sealing Options:EPDM, PTFE, Metal-to-Metal, NBR, FKM

Manufacturing Method:Cast, Forged, Machined

Applicable Medium:Water, Oil, Gas, Air, Chemical Fluids

Manufacturing Standard:API 609, ASME B16.47, MSS-SP-67, BS EN 593, ISO 5752

Product Overview

A large diameter butterfly valve is a compact, efficient flow control solution for high-volume pipeline systems. It offers low operating torque, space-saving installation, and reliable performance, making it ideal for water, wastewater, power, HVAC, and industrial pipelines where large flow capacity is required.

Product Features

  • Designed for high-flow, large pipeline applications
  • Compact and lightweight compared to gate or ball valves
  • Low operating torque for manual or automated operation
  • Space-saving installation, ideal for confined areas
  • Reliable sealing and stable performance in continuous service
  • Cost-effective solution for water, power, HVAC, and industrial systems

Specification Parameters

Structural Length Standard:
According to API 609, ASME B16.47, ISO 5752, BS EN 558

Connection Forms Standards:
Wafer and lug types per ASME B16.5, flanged per ANSI/ASME B16.42, double flanged, and grooved

Available Sizes (Caliber):
2″, 3″, 4″, 6″, 8″, 10″, 12″, 14″, 16″, 18″, 20″, 24″, 30″, 36″, 42″, 48″

Pressure-Temperature Rating:
Class 150, 300 as per API 609 and ASME B16.47

Pressure Range:
Up to 300 psi depending on size and material

Temperature Range:
-29°C to 200°C depending on material and sealing options


Specification Applications

  • Water supply and transmission pipelines
  • Wastewater and sewage treatment systems
  • Power generation and cooling water systems
  • HVAC and district heating networks
  • Industrial process pipelines requiring high flow capacity

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