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Safety & Pressure Relief Valves
Control Valves & Instrumentation
Flame Arresters & Tank Venting Equipment
Safety & Pressure Relief Valves
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Brass & Bronze Safety Relief Valves
product image
Flanged Safety Relief Valves
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Special Service Relief Valves
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Threaded Relief Valves
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Thermal Relief Valves
Control Valves & Instrumentation
product image
Control & Bypass Valves
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Gauge Plugs, Probes & Instrumentation
product image
Choke Valves
product image
Anti Siphon Valve
Flame Arresters & Tank Venting Equipment
product image
Emergency Vent Covers
product image
End-of-Line Flame Arresters
product image
Inline Flame Arresters
product image
Pressure Vacuum Relief Valves
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Safety & Pressure Relief Valves

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AQUATROL 742 Series Safety Relief Valve

pressure systemsAir pressure systemsGas pressure systemsLiquid pressure systemsSteam
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AQUATROL 742 Series Safety Relief Valve

pressure systemsAir pressure systemsGas pressure systemsLiquid pressure systemsSteam
Inlet Connections

DN15 - DN80 | 1/2" - 3" (NPT/BSP/ANSI Flanged)

Pressure Rating

0.1 - 103.4 Bar | 15 - 1500 PSI ~ Air/Gas/Liquid
0.1 - 20.7 Bar g | 15 - 300 PSI ~ Steam

Temperatures

-20°C to 427°C | -29°F to 800°F

Approvals

ASME VIII Div 1, CE & CRN

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  • Applications

    Suitable for all General Industry applications that require by-pass or over-pressure protection.

    • Pressure Vessels
    • Pumps
    • Hydraulics
    • Tanks
    • Steam Systems
    • Chemical
    • Cryogenic
    • Air and Gas Compressors
    • Separators
  • Features
    • Full WCB Body Construction with 316 Stainless Steel Inlet & Trim
    • 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
  • Options
    • Flanged Connections
    • O-ring seating options (see datasheet)
    • Packed lift lever or Closed cap
    • BSPT Piping
    • Full array of material options
    • API 527 Seating
    • Lap Joint Flanges
  • Datasheets
    AQUATROL 740 Series Catalogue AQUATROL 742 Series Sectional Drawing (Threaded Connection) AQUATROL 742 Series Sectional Drawing (Flanged Connection)