Pneumatic Diaphragm Valve
Pneumatically actuated diaphragm isolation valve with complete media isolation, corrosion-resistant and leak-proof.
Inquire NowProduct Overview
Diaphragm valves use a flexible elastomeric diaphragm to isolate the working mechanism from the process medium, creating a bubble-tight seal without stem packing or dynamic seals. The pneumatic actuator provides reliable remote on-off and throttling control.
Available in weir-type and straight-through configurations, our diaphragm valves are the go-to solution for corrosive, abrasive, and high-purity media in sizes DN15 to DN300.
Key Features
- Complete Media Isolation: No stem leakage path — the diaphragm is the only wetted dynamic component
- Corrosion Resistant: Body available in rubber-lined, PTFE-lined, or unlined stainless steel
- Low Maintenance: Simple design with minimal parts; diaphragm replacement is quick and easy
- Bubble-Tight Shutoff: Resilient diaphragm seats positively against the weir for zero leakage
- Clean & Sanitary: Smooth flow path with no crevices, ideal for CIP/SIP applications
Technical Highlights
Typical Applications
Chemical dosing, waste-water treatment, pharmaceutical CIP/SIP loops, food & beverage processing, mining slurry lines, ultra-pure water systems.
产品概述
隔膜阀采用柔性弹性隔膜将工作机构与工艺介质完全隔离，无需填料密封或动密封即可实现气泡级密封。气动执行器提供可靠的远程开关和节流控制。
提供堰式和直通式两种结构，是腐蚀性、磨蚀性和高纯度介质工况的首选方案，口径覆盖DN15~DN300。
核心特点
- 完全介质隔离：无阀杆泄漏通道——隔膜是唯一接触介质的动态部件
- 耐腐蚀：阀体可选橡胶衬里、PTFE衬里或无衬不锈钢
- 维护简便：结构简单零件少，隔膜更换快速便捷
- 零泄漏关断：弹性隔膜正向压合堰面实现零泄漏
- 洁净卫生：光滑流道无死角，适合CIP/SIP清洗
技术参数
典型应用
化学品加药、污水处理、制药CIP/SIP回路、食品饮料加工、矿山矿浆管线、超纯水系统。