FIXED RESTRICTION 

PILOTS AND ACCESSORIES

PRODUCT OVERVIEW

Fixed Restriction

• ‘A’ 1 / 8 in / 3.2 mm orifice
• ‘B’ 1 / 16 in / 1.6 mm orifice
• ‘C’ 3 / 32 in / 2.4 mm orifice
• ‘D’ 1 / 4 in / 6.35 mm orifice
• ‘E’ 7 / 64 in / 2.8 mm orifice

The fixed restriction is a 303 stainless steel bodied fitting with a stainless steel orifice plug. The fixed restriction controls the flow rate in the pilot system. The orifices are sized to provide the proper control to a select series of valve sizes only. This all stainless steel version replaces all previous versions of the brass body, with stainless steel insert.