The A11H/Y/W spring micro-open closed safety valve provides reliable overpressure protection for pipelines and pressure vessels. Featuring a spring-loaded design with micro-open and closed functionality, it ensures accurate pressure release and tight sealing. Suitable for steam, air, and gas, it's ideal for industrial safety in various operating conditions. For more details: https://www.021pv.com/product/....safety_valves/spring

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