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Model 496

The Model 496 regulator offers a solid construction for a lifetime of reliable service. They provide precise pressure control, as well as outstanding performance and dependability. 

Model 496 regulators can be used for residential meter sets as well as small commercial and industrial applications, including burners, furnaces, ovens, heaters, gas engines and others.

Benefits & Features

The Model 496 is offered in a variety of body and orifice sizes and load springs settings. The 4″ roll-out diaphragm offers exceptional performance and provides capacities that normally require 6″ diaphragm regulators. It is available with an internal relief valve as a standard feature.


Installs in numerous mounting positions


Delivers precise pressure control


Five different outlet pressure ranges


Angled or straight configuration

Technical Data

Model 496-20 Straight Body (All Outlet Sizes)
Valve BodyCast Iron – 125 psig working pressure
Spring and Lower CaseDie-Cast Aluminum
Fulcrum PinStainless Steel
Valve SeatOne piece molded Buna-N Seat
Valve StemZamak
Throat/Support/StemCast aluminum integral to lower case
Diaphragm PlatePlated Steel
Diaphragm4″ Molded, roll-out polyester fabric reinforced Buna-N
Vent and ValvePolyethylene valve and seat, 1″ NPT vent
Adjustment ScrewABS cycolac
Closing CapABS cycolac with internal relief valve stop and a hole for available tamper seal wire
Operating Temperature-20° to +150° F (-28.9° to +65.5° C)
Corrosion ProtectionChromate converted castings, e-coted or primed with enamel topcoat
Internal relief valveSet to relieve at approximately 7-10″ w.c. above normal outlet pressure setting