Aquatrol 742 Series
Series 742 safety and relief valve is designed for accuracy and reliability. Engineered for heavy-duty industrial usage. Multiple purpose pressure relief valve for all services: Liquid, Steam and Air/Gas. ASME and National Board Certified for Section VIII service as well as CE and CRN certifications. Pressures are to 1500 PSI. Available with a full array of metal seating options.
Stainless steel nozzle, ring, disc, all internals and springs. Carbon steel body, bonnet.
1500 PSI (103.4 Bar) for air/gas and liquid, 300 PSI (20.7 Bar) for steam.
Temperatures -20°F (-29°C) to 800°F (427°C)
Pressure Vessels, Pumps, Hydraulics, Tanks, Steam Systems, Chemical, Cryogenic, Air and Gas Compressors, Separators, by-pass and over pressure protection. Choose for most industrial applications requiring a safety relief valve.
- Full nozzle – Top guided design
- Short, precise blow-down
- Wide choice of inlet/outlet sizes
- Dual-lapped precision seating
- 100% Back pressure tight
- Drain hole with threaded plug
- Cryogenic Compatible