Specialty / Corrosive Gases Pressure Relief Valves
Description
Specialty/corrosive gases pressure relief valves are designed to automatically release pressure from a system when it exceeds a predetermined level. These valves are crucial in maintaining the integrity of systems handling corrosive gases by preventing over-pressurization, which could lead to equipment failure or safety hazards.
Working Principle
These valves operate by using a spring-loaded mechanism that remains closed under normal operating conditions. When the pressure in the system exceeds the set threshold, the force exerted by the gas pressure overcomes the spring tension, causing the valve to open. This allows the excess gas to escape, reducing the pressure within the system. Once the pressure drops below the set level, the spring force re-closes the valve. This mechanism is essential for ensuring safety and preventing damage in systems dealing with corrosive gases.
Applications
Specialty/corrosive gases pressure relief valves are used in various industries where corrosive gases are present. Specific examples include chemical processing plants, where they protect equipment from the corrosive effects of gases like chlorine or hydrogen sulfide. They are also used in the pharmaceutical industry to manage the safe handling of reactive gases during production processes.
Advantages over other Process Valves
These valves offer superior corrosion resistance compared to standard process valves, making them ideal for handling aggressive chemicals. Their ability to automatically regulate pressure without manual intervention provides a significant safety advantage in environments where corrosive gases are present.
Limitations
One limitation of these valves is their susceptibility to wear and tear due to the harsh environments they operate in. Over time, the materials used in their construction may degrade, leading to potential leaks or failures if not properly maintained.
Considerations
When selecting and maintaining specialty/corrosive gases pressure relief valves, several factors should be considered. Initial costs can be higher due to the specialized materials required for corrosion resistance. Operating expenses may also be elevated due to the need for regular maintenance and inspection to ensure continued performance and safety. Durability is a critical factor, as the materials must withstand both the mechanical stresses and the corrosive nature of the gases. Accuracy in pressure settings is vital to ensure the valve opens and closes at the correct pressures, preventing both over-pressurization and unnecessary venting. Replacement and maintenance costs should be factored into the overall lifecycle cost of the valve, as regular servicing is necessary to maintain optimal performance.
from Shenzhen Dechengwang Technology Co., Ltd
Seats and inserts, which are important components in the valve industry, as a critical component, PTFE is very often to choose as the raw material. PTFE provides a low friction seat, with excellent media compatibility. Filled grades provide wear resistance and can support seating loads of the higher... [See More]
- Media: Hydraulic; Water; Hot Water; Cold Water ; Ground Water (optional feature); Potable Water; Salt Water; Wastewater (optional feature); Gasoline / Diesel Fuel; High Purity; LP Gas; Specialty Corrosive
- Features: Solenoid; Diaphragm (optional feature)
from Shenzhen Dechengwang Technology Co., Ltd
Dechengwang is a specialized Fluoropolymer components manufacturer. Since 2006, the material range expaned from Virgin PTFE to Modified PTFE, PTFE compound, PEEK, PFA, PCTFE, PVDF, PI, PPS and PEI material. The use of fluoroplastic has many advantages in manufacturing and engineering, widely used in... [See More]
- Media: Hydraulic; Water; Hot Water; Cold Water ; Potable Water; Salt Water; Wastewater (optional feature); Gasoline / Diesel Fuel; High Purity; LP Gas; Specialty Corrosive; Steam (optional feature)
- Features: Solenoid; Diaphragm (optional feature)
- Actuation: Manual
from Cooper Valves
When performance under pressure is critical, the Accuseal ® Automated Relief Valve is a must, The Accuseal ARV design provides automatic or manual overpressure protection for steam boiler systems, assisting with venting for start-up and shutdown. [See More]
- Media: Gas; Natural Gas; Sour Gas; Specialty Corrosive
- Maximum Pressure: 3705.00 to 11110.00
- Valve Size: 1.00 to 2.00
- Connection Description: BoltFlange; Butt Weld; BW RFF Custom
from Equilibar, LLC.
Precision Back Pressure Regulator for Hygienic Service. For gas, liquid and mixed phase processes. Wide Range of working Pressures and Flows. Rugged 316 stainless steel Bar Stock Design with no Welded Fittings. Hygienic: No Crevices, <32Ra Finish. 3 Piece Low Dead Volume Design. Ports are the... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 150.00
- Valve Size: 0.50
- Controlled Pressure Range: 0.00 to 150.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ Compact Panel is a central gas supply unit for the pressure control of analytical gases in laboratory facilities. Depending on the requirements, these units switch over to a spare cylinder to enable an uninterrupted gas supply. The use of contact gauges allows the monitoring of empty... [See More]
- Media: Gas; High Purity; Specialty Corrosive
- Maximum Pressure: 2900.00 to 4350.00
- Valve Size: 0.25
- Controlled Pressure Range: 44.00 to 508.00
from Equilibar, LLC.
Precision Back Pressure Regulator. For gas & mixed phase processes. Rugged Bar Stock Design. Available in ¼ inch through 1 inch sizes. SS316 standard with Hastelloy C optional. Diaphragms available in PTFE, Hastelloy, SS316, and polyimide. The GS series is specifically designed for a... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 2500.00
- Valve Size: 0.12 to 1.00
- Controlled Pressure Range: 0.00 to 2500.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ Wega Mini cylinder pressure regulator is designed for gas purities up to 6.0 and offers a lightweight & compact integrated relief valve design. Ideal for use in lecture bottle and mobile applications. [See More]
- Media: Gas; High Purity; Specialty Corrosive
- Maximum Pressure: 2900.00
- Valve Size: 0.24
- Controlled Pressure Range: 0.00 to 2900.00
from Equilibar, LLC.
Equilibar's Research Series back pressure regulator offer precision performance for high pressure applications up to 5000 psig. These regulators provide stable inlet pressure across widely varying flow rates, for liquid, gas, and mixed phase fluids. We can provide diaphragms of Stainless Steel 316,... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 10000.00
- Valve Size: 0.12
- Controlled Pressure Range: 0.00 to 10000.00
from Emerson Automation Solutions – TESCOM Regulators, Valves & Systems
TESCOM ™ WEGA Corrosive Gases and Purging cylinder pressure regulators are designed with a captured bonnet for use with corrosive gases and gas mixtures (based on the highly reliable 44-2200 and 44-2800 Series regulator technology). Dual-stage version is available. Ideal for use in reduction... [See More]
- Media: Gas; High Purity; Specialty Corrosive
- Maximum Pressure: 2900.00
- Valve Size: 0.12
- Connection Description: Threaded
from Equilibar, LLC.
New Beta HT Series Extends Temperature to 450C. Equilibar has just made its HT Series back pressure regulators available for beta release to select customers. These regulators utilize a graphite seal for temperatures to 450C and pressures to 5000 psig. The Grafoil GTA seal is nuclear grade purity... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 5000.00
- Valve Size: 0.12
- Controlled Pressure Range: 0.00 to 5000.00