The Bray Acris® Series 24/25 PFA-lined butterfly valves are engineered for bi-directional bubble-tight shutoff in highly corrosive and ultrapure applications. With a fully molded PFA liner and disc, these valves offer maximum resistance to corrosion, permeation, and microbial contamination, ensuring long-term reliability and purity.
Applications: chemical and petrochemical, semiconductor manufacturing, ultrapure water and reverse osmosis, chlor-alkali, ion exchange, vacuum service, wastewater treatment.
Media Compatibility: chlorine gas, hydrochloric acid, organic solvents, caustics, strong oxidizing agents, viscous liquids, and ultrapure water.
Design Features: 360° seat energizer, live-loaded stem sealing, extended shaft over-molding, high-strength stainless steel stem, and energized flange seal.
Certified to SIL 3 safety standards, the Acris® Series 24/25 valves are trusted worldwide in industries from Asia's semiconductor fabs to North America's chemical plants and Europe's water treatment facilities. With sizes NPS 2-24 (DN 50-600) and temperature range -20°F to 320°F (-29°C to 160°C), these valves deliver zero-leakage, long service life, and cost-effective performance globally.
Trusted Worldwide for Ultrapure Water, Chemical, and Semiconductor Applications
Acris® PFA-Lined Butterfly Valves: Superior Sealing for Corrosive and High-Purity Services
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特点和优势
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A. 全PFA带衬阀板和阀体
专有的复合材料具有无与伦比的抗腐蚀、抗渗透和抗微生物污染能力，可实现最大的纯度和可靠性，并且具有最小的维护需求。
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B. 耐用的球形PFA内衬和配套阀板
接口形成紧密的双向密封。
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C. 全宽360°阀座增能器
确保密封均匀。
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D. 动负载阀杆密封系统
可自行调节，以消除泄漏通道，减少挥发性物质的逸散性排放，实现长期免维护运行。（标准密封系统符合ISO 15848-1低逸散性排放要求。）
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E. 延长的PFA外包覆轴
增强阀杆密封，消除泄漏通道，并使阀杆免受腐蚀介质的侵蚀。
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F. PFA外包覆阀板
PFA树脂与基体金属机械粘结，实现真空性能。
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G. 流线型阀板
专为实现最大流量而设计。
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H. 高强度一体式17-4不锈钢阀板和阀杆
标准配置，提高可靠性。
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I. 补偿式法兰面密封
在阀门和法兰之间维持适当的密封。
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J. 机械固定的密封环
宽阔的弹性阀座增能器固定在机加工阀体凹槽中，可在完全工作压力下进行管线终端维护。
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