Supplier Mech Lugged Waffer Butterfly Valve with Tamper Switch (XD371XL)

WWW.DISTRIBUTORALATINDUSTRI.COM | The XD371XL Lugged Wafer Butterfly Valve with Tamper Switch is a resilient-seated butterfly valve specifically designed for fire protection, water distribution, and industrial piping systems. Equipped with an integrated supervisory tamper switch, the valve provides reliable flow isolation while enabling continuous monitoring of the valve position for enhanced system safety and compliance with fire protection standards. The lugged body design allows for dead-end service and easy maintenance without disturbing the downstream pipeline.

Supplier Mech Lugged Waffer Butterfly Valve with Tamper Switch (XD371XL)

Features:

  • Lugged wafer-type design for secure flanged installation and dead-end service
  • Integrated tamper switch for remote valve position monitoring
  • Quarter-turn operation with worm gear operator
  • Resilient EPDM seat for bubble-tight shutoff
  • Low operating torque and minimal pressure loss
  • Fusion Bonded Epoxy (FBE) coating for superior corrosion resistance
  • Compact and lightweight construction
  • Suitable for fire protection and water supply applications
  • UL Listed, FM Approved, and VdS Approved models available

Construction Materials:

  • Body: Ductile Iron (EN-GJS-450-10 / ASTM A536 65-45-12)
  • Disc: Ductile Iron with EPDM coating or optional Stainless Steel/Bronze
  • Seat Liner: EPDM (optional NBR or Fluororubber)
  • Stem: Stainless Steel SS431 (optional SS304 or SS316)
  • O-Rings: NBR or EPDM
  • Gearbox Housing: Ductile Iron
  • Surface Coating: Fusion Bonded Epoxy (ANSI/AWWA C550)

Technical Specifications:

  • Model: XD371XL
  • Size Range: DN50–DN300 (2″–12″)
  • Pressure Rating: PN16 (16 bar) or 300 PSI
  • Temperature Range: 0°C to 100°C (EPDM seat)
  • Design Standard: BS EN 593 / MSS SP-67
  • End Connections: ASME B16.1 Class 125, ASME B16.5 Class 150, BS EN 1092-2 PN10/PN16
  • Top Flange Standard: ISO 5211
  • Testing Standard: UL 1091 and FM requirements

Applications:

  • Fire sprinkler systems
  • Fire pump and riser installations
  • Municipal water distribution systems
  • HVAC and chilled water systems
  • Industrial process water pipelines
  • Commercial and residential fire protection networks

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