Description
Product Parameters
- Model Number: CS-1000
- Specification: UTX1700PTFE
- Material: Expanded PTFE (Polytetrafluoroethylene) with proprietary fillers
- Temperature Range: -240°C to +260°C (-400°F to +500°F)
- Pressure Range: Vacuum to 200 bar (approx. 3000 psi) depending on flange design
- Chemical Resistance: pH 0–14 (Inert to all common chemicals except molten alkali metals and elemental fluorine)
- Density: 0.8 to 1.0 g/cm3 (Typical for expanded PTFE variants)
Product Description The MECS CS-1000 UTX1700PTFE is a specialized, high-performance sealing component frequently used in aggressive chemical environments. The “UTX” designation typically refers to a multi-directionally expanded PTFE structure. Unlike standard PTFE, which can suffer from “creep” or cold flow under pressure, the multi-directional expansion process creates a highly fibrillated microstructure. This ensures the gasket maintains its thickness and sealing pressure over time, even under thermal cycling. The “1700PTFE” variant is specifically optimized for high-purity and high-strength applications where zero leakage is mandatory.
Application Areas This sealing material is primarily utilized in the Sulphuric Acid industry (MECS, a subsidiary of Elessent Clean Technologies, is a leader in this field). Key applications include:
- Acid Tower Flanges: Sealing large-diameter flanges in heat exchangers and absorption towers.
- Chemical Piping: High-reliability seals for transport lines carrying concentrated acids or alkalis.
- Pharmaceutical/Food: Use in processes requiring high-purity materials that do not contaminate the medium.
- Heat Exchangers: Handling the differential thermal expansion of plate and shell-and-tube heat exchangers.
MECS CS-1000 UTX1700PTFE
MECS CS-1000 UTX1700PTFE
MECS CS-1000 UTX1700PTFE
Product Specifications
- Thickness Options: Typically available in 1.5 mm, 3.0 mm, and 6.0 mm sheets or pre-cut gaskets.
- Color: White (Natural PTFE)
- Certifications: Often complies with FDA 21 CFR 177.1550 for food contact.
- Compressibility: > 40% (ASTM F36)
- Recovery: > 10% (ASTM F36)
Operational Precautions
- Flange Surface: Ensure flange faces are clean and free of deep scratches. While expanded PTFE is excellent at “conformability” (filling irregularities), major defects can still lead to bypass leakage.
- Torque Sequence: Always use a calibrated torque wrench and follow a “star” or “cross” tightening pattern in multiple increments (30%, 60%, 100% torque). This ensures even compression of the PTFE fibers.
- No Adhesives: Do not use grease or pipe dope on the gasket surfaces. These can act as lubricants, causing the gasket to extrude (blow out) under high pressure.
- Re-Torquing: For high-temperature applications, it is often recommended to perform a “hot re-torque” after the system has reached operating temperature to account for initial material relaxation.
Recommended Similar Product Models
| Model Number | Category | Material Detail |
|---|---|---|
| CS-1000 Standard | Gasket Sheet | Uni-directionally expanded PTFE |
| UTX2000 | High-Strength Seal | Enhanced tensile strength variant |
| Gylon 3545 | Equivalent Seal | Highly compressible microcellular PTFE |
| MECS DynaWave | System Part | Often paired with DynaWave scrubbing components |
| UTX1700-Envelope | Gasket | PTFE envelope with specialized insert |
