The B34SR-1 1/4 is an Actaris/Itron regulator for gas engines in medium-duty commercial and industrial applications such as boilers and furnaces where shock problems occur with quick on/off function. The B34SR-1 1/4 has an internal relief valve with a 1" vent and is spring-loaded. An 8" diaphragm and a 5/8" x 3/4" orifice, and a standard spring range of 6" to 9" of water column.
Interchangeable brass orifice
27 in.sq of diaphragm area
Molded diaphragm consisting of Buna-N and nylon
Upper diaphragm plate of plated steel
Stainless steel lever pin
Zinc with dichromate plated steel lever
One piece molded Buna-N valve seat
Alodined aluminum valve stem
Delrin® vent valve with Buna-N seat
Spring-loaded internal relief valve assembly
Stainless steel vent screen
Die cast aluminum seal cap
Field interchangeable adjustment spring
Controlled size breather orifice eliminates pulsation and provides normal action at low flows
Wide range of valve body sizes including NPT and flange connections
CGA 6-18 approved
Operating Temperature Range
-20F to 150F
Maximum Inlet Pressure
5/8" x 3/4"
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