4200Steam Safety Valve
4200 Series
Flanged spring-loaded boiler safety valve with temperature-equalizing disc.
The 4200 Series is a flanged, spring-loaded boiler safety valve built around a full nozzle and open bonnet design, with a temperature-equalizing disc for stable steam service.
Key Features
- Flanged spring loaded boiler safety valve
- Full nozzle design
- Open bonnet design
- One piece guide
- Low stem bearing point
- Temperature equalizing disc
- Heavy stainless steel lock screw studs
- Test gag optional
Engineering Benefits
Temperature-equalizing disc resists seat distortion under thermal cycling
One-piece guide keeps the disc aligned for repeatable lift
Open bonnet dissipates heat away from the spring
Service & Media
Steam
Industries
Oil & GasRefiningPetrochemicalPower GenerationFertilizers
Documentation
Related products
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