Aquatrol 740 Series 3/4 in. MNPT x FNPT Brass Air/Gas Safety & Relief Valve, Closed Cap

Description

The Aquatrol Series 740 safety and relief valve is engineered for heavy-duty industrial usage. Constructed with brass, bronze material with stainless steel ring, seat (disc) and springs. ASME and National Board Certified for Section VIII to 350 PSI for air/gas.
Valves are calibrated (set to pressure) based on a range of flow-rates (GPM) versus seat size and set pressure. Standard valve is set to pressure to achieve flow rate maximum and minimums within each set pressure range. See capacity chart for details.
Pressure Setting Range: 1 – 350 PSI
Note: Other sizes, seals, and options available. Please call 1 (800) 333 – 3331 for more information.

Features

Full nozzle – Top guided design
Short, precise blow-down
Dual-lapped precision seating
100% Back pressure tight
Drain hole with threaded plug
Cryogenic compatible

Specifications

Series: 740
Inlet Outlet: 3/4 in.
Connection: Male Female NPT
Material: Brass (Bronze)
Seating: Metal
Cap: Closed Cap
Service: ASME VIII – Air/Gas
Pressure Setting Range: 1 – 350 PSI
Temperature Range: -320 to 406°F

Downloads
Aquatrol Series 740 Datasheet (PDF Download)
Aquatrol Series 740 Drawing (PDF Download)