AHF PRESSURE RELIEF VALVES
Railway, Tank Car, Pressure Car Valves, Acid Cars, Chlorine Cars, Pressure Relief Devices, PRD, Safety Relief Devices, SRV, Vacuum Relief Devices, Rupture Discs, Midland Valves, AAR, FRA, Anhydrous Hydrogen Fluoride, AHF, Toxic Inhalation Hazard, TIH, Poisonous Inhalation Hazard, PIH, Ethylene Oxide, EO
AHF / TIH SAFETY RELIEF VALVES
INTERNAL VALVE
Fort Vale offers 3 choices of Safety Relief Valves for AHF/ TIH Service. Choose between: External (Shear-Off)/ External (Non-Shear-Off) and an Internal Safety Valve. All three-options feature innovative safety and sealing designs as well as significantly higher flows
reverse-acting burst disc
USED IN BOTH EXTERNAL & INTERNAL SAFEY VALVES
UPSIDE DOWN DISC -
Can absorb 90% max allowable working pressure (MAWP) pressure cycling without fatigue indefinitely
Standard discs become fatigued after 80% MAWP pressure cycling (3-4 times)
Non-Fragmenting
Disc petals do not interfere with safety valve
Sealed with 2x primary & 1x secondary O-Rings
Eliminates current potential leak path