APOLLO VALVES Relief Valves
They are used to control & relieve excess pressure in air / steam / gas lines once a preset pressure level has been exceeded, which might otherwise damage pipelines and equipment.
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Apollo relief valves are used in pipelines, boilers and pressure vessels to safeguard against excessive pressure, ensuring system safety and efficiency. These relief valves release surplus pressure, preventing potential damage or catastrophic failures during industrial operations.
Features
- These Apollo safety valves have stainless steel springs for durability and corrosion resistance.
- They come with a Teflon / metal-to-metal seating for a reliable and tight sealing.
- These safety valves feature a tapped body drain to allow piping of condensate with optimum safety.
- Apollo 19 Series safety valves feature a wide wrenching hex for easy and quick installations. These relief valves come with a high-capacity full nozzle design in six orifice sizes for optimum performance. They are equipped with two control rings for enhanced adjustability and performance. These Apollo relief valves are short tuned blowdown designs for minimised product loss. They offer factory set pressures ranging from 5 to 300 psig and can withstand a maximum temperature of 406 degrees F.
- Apollo 29 Series safety valves come in set pressure ratings ranging from 30 to 200 psig. These safety valves have a maximum temperature rating of 406 degrees F and feature a rust-proofed steel stem and spring washers for structural rigidity and corrosion resistance. They are equipped with a lower control ring for short and consistent blowdown.
Working Mechanism
When the pressure within a system increases to a pre-set level, it triggers the safety valve.
The safety valve's spring-loaded mechanism begins to lift the valve disk off its seat.
As the valve disk lifts, it creates an opening for the pressurised fluid or gas to escape.
The escaping fluid or gas lowers the pressure inside the system.
Once the pressure reduces to the set limit, the spring forces the valve disk back onto its seat, sealing the valve shut.
The safety valve prevents the system from exceeding safe pressure levels, safeguarding equipment and personnel.
Frequently Asked Questions
How to detect a leakage in Apollo safety valves?
- Visually inspect for moisture or drips.
- Listen for hissing sounds.
- Check for wetness around the valve outlet.
- Apply a leak detection solution and watch for bubbles.
- Conduct a pressure test for drops.
- Look for temperature anomalies.
- Inspect seals and connections.
- Review pressure logs.
- Follow manufacturer guidelines.
- Monitor maintenance records for regular checks.
What factors should I consider while choosing a safety valve?
- Ensure the valve's pressure rating matches the system's requirements.
- Select a set pressure that aligns with the system's safe operating range.
- Choose materials compatible with the fluid or gas in your system.
- Determine the valve size based on the flow rate and pipe size.
- Consider the temperature range the valve will operate in.
- Ensure the valve complies with relevant industry standards.
How do I install Apollo safety valves?
- Choose a suitable location on the system for valve placement.
- Ensure clean and undamaged threads on both the valve and connection point.
- Apply Teflon tape to the threads for a secure seal.
- Hand-tighten the safety valve onto the connection point until snug.
- Use a torque wrench to apply the manufacturer-recommended torque for secure installation.
- Test the system for proper installation and valve functionality.
- Periodically inspect and maintain the safety valve to ensure continued reliability.
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