Product Overview
The SAUNDERS PN16 DN25 Diaphragm Valve is a premium-grade industrial process valve engineered for precise flow control and isolation of aggressive, abrasive, or high-purity media. Manufactured by SAUNDERS—a globally recognized authority in diaphragm valve technology—this model operates on a linear, weir-type diaphragm principle. Unlike standard spool valves, the diaphragm acts as a flexible barrier between the working fluid and the valve mechanism, ensuring zero leakage to the atmosphere and eliminating contamination risks. With a nominal pressure rating of PN16 and a nominal diameter of DN25, this valve is a critical component in demanding industrial systems requiring reliable shut-off and throttling capabilities.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Diaphragm Valve (Process & Pneumatic Valve) |
| Model Designation | SAUNDERS PN16 DN25 |
| Nominal Pressure (PN) | PN16 (16 bar / 232 psi) |
| Nominal Diameter (DN) | DN25 (1 inch) |
| Operating Pressure | Standard Industrial Grade (Up to 16 bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (Flanged or Threaded per SAUNDERS standard) |
Engineering Features & Advantages
- Precision Performance: The linear diaphragm actuation provides excellent throttling characteristics and bubble-tight shut-off, ensuring precise flow control and minimal pressure drop.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the valve’s robust body and diaphragm construction resist corrosion, abrasion, and chemical attack.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring seamless integration into existing SAUNDERS or equivalent process lines.
- Contamination-Free Operation: The diaphragm isolates the working fluid from the valve bonnet and actuation mechanism, preventing external leakage and maintaining media purity.
Typical Industrial Applications
This SAUNDERS diaphragm valve is ideal for critical isolation and control tasks in aggressive or high-purity environments, including: chemical processing and pharmaceutical production lines, water and wastewater treatment plants, food and beverage hygienic systems, and mining slurry handling circuits. Its PN16 rating and DN25 size make it suitable for medium-pressure industrial pipelines requiring reliable, leak-proof performance.
PRODUCT IMAGES
SAUNDERS PN16 DN25 Diaphragm Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine SAUNDERS PN16 DN25 Diaphragm Valve. This UK-made PN16-rated hydraulic component features a weir-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.