Honeywell V51E Butterfly Firing Rate Gas Valves

  • Provides modulating control of natural, manufactured, LP gases or air.
  • Rugged cast aluminum body provides durability
  • 1-1/2″ to 4″ NPT sizes available
  • Mounting: Motor shaft horizontal
  • Operating Temperature Range from 32 F to 140 F
  • Body Pattern is Straight-through
  • Pressure Ratings is 5 psi
  • Approvals: UL


The V51E Butterfly Valve is a firing rate valve used to provide variable flow control of natural, liquefied petroleum (LP), and manufactured gases. It is also applicable to controlling air flow. The V51E Valve is actuated by a firing rate motor mounted directly on the valve. The V51E is not applicable as a safety shutoff valve.

Used with Honeywell Modutrol motors with Q100 Linkage.

More Features:

  • Use in commercial and industrial installations where large amounts of gas must be closely controlled.
  • Adaptable to most modulating jobs.
  • Modutrol motor, such as the M9484 or M9494, (Model M94 are Flame Safeguard Firing Rate Motors) may be mounted directly on valve or close to it.
  • Valve mechanism has strain release.
  • Adjustable stroke over low fire-high fire range.
  • Straight-through valve pattern.


Technical Documentation

V51E Butterfly Firing Rate Gas Valves Technical Documentation

PDF Download:

Honeywell V51E Butterfly Gas Valve