Series 3800 Pilot Operated Pressure Relief Valves
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Available in API Orifices D through T as well as full bore models, Series 3800 valves are provided with raised face or ring joint inlet flanges from 150# through 2500# ANSI classes with 150# and 300# outlets. Set pressures range from 15 to
6170 psig with temperatures of -450°F to 450°F for standard options. Contact Factory about higher temperature and pressure requirements.
All Series 3800 valves are actuated by our PCF3, HPCF3 or PCL pilot controls with 316 stainless steel primary components as
standard. The main valve body is carbon steel with 316 stainless steel trim. The main valve is also available in a full 316 stainless steel “S4” option, a NACE standard MR0175 “S7” option, and a cryogenic service valve.
Viton® soft goods are standard in both pilot control and main valves. Buna N, Neoprene, ethylene propylene, silicone and
Teflon® soft goods are available as options; contact Factory for more information.