Impco JB-3 Vaporizer with Fluorosilicone Diaphragm

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The Model J series regulator/vaporizer delivers consistent and reliable performance and pressure output.  Its reliability has made it an industry standard.  The port size and mounting pad locations are identical to the Cobra regulator and include a primary pressure test port and ‘left’ or ‘right’ fuel outlets.

This is a close-out item.  This model J contains the Fluorosilicone Diaphragm.  The Fluorosilicone Diaphragm is best diaphragm material available to the Impco Product Line.  The same diaphragm is found in the COBRA.  All the specifications for the JB and JB-2 will be the same here.


Fuel Type                           LPG (Liquid or Vapor)

Inlet Pressure

Maximum                         312 PSI (21.51 Bar)

Minimum                          30 PSI (207 kPa)

Nominal Outlet Pressure

Standard                           -1.5” Water Column (0.37 kPa) – Blue Spring

Optional                            -0.5” Water Column (0.12 kPa) – Orange Spring

HP/kW                                100 hp (75 kW)

Operating Temperature          -40°F to +250°F (-40°C to +121°C)

Fuel Filtration (required)        40 micron

Heating Chamber Source       Required for liquid LPG

Weight 1.882 lbs
Family / Series

"Model J"

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