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Flanged Diaphragm Seal
This flanged diaphragm seal performs well in demanding industrial environments:
- Pharmaceutical reactors and sterile processing
- Food & beverage production lines with CIP/SIP requirements
- Chemical processing with aggressive or corrosive media
- Petrochemical refineries handling hot or viscous fluids
- Pulp & paper manufacturing
Technical Specifications
- Flange Types: ANSI B16.5 Raised Face (RF) or Ring Type Joint (RTJ), EN 1092 Form B, JIS B2220
- Flange Materials: Duplex, Hastelloy, Monel, Titanium
- Diaphragm & Wetted Parts: Stainless Steel 316L, Alloy 20, Duplex, Hastelloy C-276, Incoloy 825, Inconel 625, Monel 400, Tantalum, Titanium, Zirconium
- Coating Options: Gold, Rhodium, PFA, PTFE (Teflon)
- Pressure Ranges: Vacuum to 1,600 bar
- Temperature Range: -50°C to +400°C (depending on materials)
Material Selection Guide
Select your flanged diaphragm seal material based on your process media:
- Stainless Steel 316L: General-purpose applications, water, mild chemicals
- Hastelloy C-276: Strong acids, chlorine, seawater
- Monel 400: Hydrofluoric acid, alkaline solutions
- Tantalum: Highly corrosive acids except hydrofluoric acid
- PTFE Coating: Non-stick surface for viscous or sticky media
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Description
Description
The TETROSEAL flanged diaphragm seal provides reliable pressure measurement in contaminated, solidifying, hot, or highly viscous media. As part of PCI Instruments’ complete diaphragm seal range, this flush-welded design prevents material buildup and meets stringent hygienic requirements for pharmaceutical, chemical, and food processing applications.
Key Benefits
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- Flush-Welded Diaphragm: Eliminates dead spaces and crevices where process media can accumulate, meeting stringent hygienic requirements for pharmaceutical and food processing
- Multiple Flange Standards: Compatible with ANSI, EN, and JIS flanges for easy integration into existing systems worldwide
- Corrosion-Resistant Materials: Choose from 9 different diaphragm materials including Hastelloy, Monel, and Tantalum to match your specific chemical compatibility needs
- High-Temperature Capability: Maintains accurate pressure measurement in processes up to 400°C, outperforming standard pressure gauges in extreme conditions
Need help selecting the right configuration? Contact our technical team or review our diaphragm seal selection guide.
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