Model Descriptions
- Model 910: CS body and bonnet with SS trim.
- Model 911: All SS construction.
- Model 916: Same as Model 910 except resilient seat/seals. Superior ‘leak-free’ performance.
- Model 917: Same as Model 911 except resilient seat/seals. Superior ‘leak-free’ performance.
- Model 920: Steel body and bonnet with screwed cap and stainless steel spring for organic fluid vaporizers (ASME Section I – ‘V’ Special Use or application). 1,400 psig maximum set pressure.
- Model 921: Steel body and bonnet with plain lift lever and stainless steel spring for forced flow steam generators (ASME Section I – ‘V’ Special Use or application). 1,400 psig maximum set pressure.
- Model 927: Steel body and bonnet with packed lift lever and SS spring for high temperature/pressure hot water boilers (ASME Section I – ‘V’ Special Use or application). 1,400 psig maximum set pressure.
- Heavy duty cast valve bodies.
- Seats lapped to optical flatness.
- Available with resilient soft seats for superior leak-free performance.
- Standard SS spring for temperatures to 550°F (288°C). Optional alloy spring to 800°F (427°C).
- Threaded cap standard (back pressure tight). Maximum back pressure 50 psig [3.4 barg].1
- Hex on valve nozzle provides for easy installation.
- Warn ring offers easy adjustability.
- Pivoting disc design offers exceptional seat alignment.
- Guide to nozzle ratio reduces friction.
- Full nozzle design for optimum flow performance.
- Threaded side outlet for piped off discharge to eliminate fugitive emissions.
- Each valve tested and inspected for pressure setting and leakage.
- Air/gas compressors, intercoolers, aftercoolers
- Liquid filled pressure vessels/systems, ASME Section VIII (UV).
- Pressure vessels – containing gas, air, liquid or steam, including tanks and receivers.
- Vacuum systems including pumps, tanks and equipment.
- Oil/gas separators.
- Overpressure relief and protection of pumps, tanks, lines and hydraulic systems.
- Bypass relief or pressure regulation.
- All stainless steel Model 911 valves may be suitable for sanitary/edible applications.
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