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Spring-Loaded Safety Valve – Overview A spring-loaded safety valve is a critical safety device designed to protect pressure vessels, pipelines, and equipment by automatically releasing excess pressure when preset limits are exceeded. Utilizing a spring mechanism, these valves provide reliable and rapid pressure relief to prevent catastrophic failures and ensure operational safety. Key Design Features Spring Mechanism The valve remains closed under normal pressure, held by a calibrated spring. When system pressure exceeds the setpoint, the spring compresses, allowing the valve to open and release excess pressure. Material Construction Bodies and internal components are typically made from carbon steel, stainless steel, or alloy steel to withstand high temperatures, pressures, and corrosive environments. Set Pressure Range Adjustable settings accommodate a wide range of pressure limits according to system requirements and safety codes. Standards Compliance Manufactured in compliance with ASME Boiler and Pressure Vessel Code (BPVC) Section VIII, API 526, and ISO 4126 for reliable performance. ...
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Pilot-Operated Safety Valve – Overview A pilot operated safety valve is an advanced pressure relief device designed for precise and stable pressure control in high-pressure and large-capacity systems. Utilizing a pilot valve to control the main valve operation, it offers superior accuracy, reduced leakage, and improved response compared to conventional spring-loaded valves. Key Design Features Pilot Control Mechanism The pilot valve senses system pressure and modulates the main valve opening, enabling quick response to overpressure while maintaining tight sealing during normal operation. High Flow Capacity Suitable for large-scale applications where high flow rates and stable pressure relief are critical. Material Construction Typically constructed from carbon steel, stainless steel, or alloy steel to handle demanding temperature and pressure conditions. Adjustable Set Pressure Precisely adjustable pilot settings allow customization for specific process requirements. Standards Compliance Designed and tested in accordance with ASME BPVC Section VIII, API 526, and ISO 4126 standards. ...
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Bellows Safety Valve – Overview A bellows safety valve is a specialized pressure relief device designed to provide leak-tight sealing in high-pressure, high-temperature, and corrosive environments. Featuring a welded bellows component, it effectively isolates the valve internals from process fluids, preventing leakage and protecting sensitive system components. Key Design Features Welded Bellows Seal A corrosion-resistant bellows assembly separates the valve’s stem and spring chamber from the process media, eliminating leakage and enhancing valve longevity. Material Construction Typically constructed from stainless steel, alloy steel, or other corrosion-resistant alloys to withstand aggressive fluids and extreme temperatures. Adjustable Set Pressure Precisely calibrated to open at designated pressure thresholds, ensuring reliable overpressure protection. Compliance with Standards Manufactured according to ASME BPVC Section VIII, API 526, and ISO 4126, meeting stringent safety and performance requirements. Connection Options Available with flanged, threaded, or welded ends for flexible ...
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