Lugged Butterfly Valve with Signal Gear Box FGBL-300

FM Approved lugged butterfly valve with integrated signal gear box, conforming to FM1112 test standards with fusion bonded coating. The lugged body design allows for dead-end service and easy removal without disrupting the pipeline, while the signal gear box provides supervisory switching capability for fire alarm control panel integration.

Available in sizes from 50mm (2″) to 300mm (12″) and compatible with BS EN, ASME, and Class 150 flange standards, the FGBL-300 is suited to a wide range of fire protection system configurations.

Key Specs:

  • Working Pressure: 300 PSI
  • Working Temperature: -10°C to 120°C
  • Valve Standard: FM1112 | Coating: FM1112
  • Face-to-Face Standard: ISO5752
  • Flanged Ends: BS EN1092-2 / ASME B16.42 / Class 150
  • Sizes: 50mm to 300mm (2″ to 12″)
  • Approval: FM Approved

Materials:

Part Material
Body Ductile Iron (ASTM A536)
Disc Ductile Iron EPDM Coated (ASTM A536+EPDM)
Upper & Lower Stems Stainless Steel (AISI 410)
O-Ring EPDM
Bushing Bronze (ASTM B150M C63000)
Gear Box Housing Ductile Iron (ASTM A536)
Gland/Washer/Plug Galvanised Carbon Steel, Surface Passivation

Lugged body design permits dead-end service and in-line maintenance without pipeline disruption. Signal gear box enables supervisory monitoring for fire protection system integration.

Documents and Resources

size chest(in.) waist(in.) hips(in.)
XS 34-36 27-29 34.5-36.5
S 36-38 29-31 36.5-38.5
M 38-40 31-33 38.5-40.5
L 40-42 33-36 40.5-43.5
XL 42-45 36-40 43.5-47.5
XXL 45-48 40-44 47.5-51.5

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