Overview
斯派莎克安全阀通过在压力超过受保护设备安全极限时提供受控泄放通道，来保护蒸汽、气体、空气和液体系统。 常见超压原因包括出口堵塞、调压器失效、冷却失效、断电、火灾和其它异常工况，因此安全阀应被视为核心保护装置，而不是可有可无的附件。 安全阀尤其适用于减压站下游、压力容器以及换热设备等场合，因为一旦上游失效，这些位置可能暴露在超过设计极限的压力之下。 正确选型取决于介质类型、所需泄放能力、材质、排放方式以及适用的法规规范框架，而不仅仅是管径大小。 整定压力必须低于受保护设备的最大允许压力，同时与正常工作压力保持足够裕量，以避免阀门颤振、频繁起跳和阀座过早磨损。 斯派莎克产品系列覆盖通用工业型、不锈钢型和洁净工况型，因此当用户需要把可靠的超压保护纳入更广义的压力控制和过程安全策略时，本页是很好的起点。
Continue your overpressure protection selection
Safety valve selection is usually connected to wider pressure control, equipment protection and compliance responsibilities across the system.
See the wider pressure control context
Return to the wider control systems range when safety valve selection is only one part of a broader pressure control or pressure reducing station project.
Coordinate relief with pressure control
Safety valves are often specified alongside pressure reducing stations to protect downstream equipment. Review pressure reducing valve duties here when both selections need to align.
Match sanitary process requirements
Use the clean steam range when overpressure protection also needs to meet hygienic or high-purity process expectations.