ASME SECTION VIII FOR AIR-GAS-STEAM OR LIQUID SERVICE
Aquatrol's new Series 740 safety and relief valve is
designed for accuracy and reliability. Engineered
for heavy-duty industrial usage. Multiple purpose safety relief
valve for all services: Liquid, Steam and Air/Gas. ASME and
National Board Certified for Section VIII service. Pressures are
to 750 PSI. Available with the full array of metal and seating
Brass, bronze construction with stainless steel ring,
disk and springs. ASME Section VIII to 300 PSI for air/gas
and liquid and 250 PSI for steam services.
Stainless steel nozzle, ring, disk and springs. Bronze bonnet,
and body. ASME Section VIII to 750 PSI for air/gas and liquid, 300
PSI for Steam.
Stainless steel nozzle, ring, disk and springs. Carbon steel body
and bonnet. Ratings same as 741. Used as an all steel option.
Same as 742, with stainless steel bonnet, body and components.
Used where a stainless steel valve is required.
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
- Excellent re-seating characteristics
- Designed for heavy industrial use
- Closed hex cap
- Back pressure tight
- Drain hole with threaded plug
- Cryogenic Compatible
- O-ring seating options (see charts)
- Packed lift lever
- Open lift lever
- BSPT piping
- Full array of metal options
- O2 Cleaning
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