The CYLEX PFA Flared-to-Flange Union body is made of PFA (soluble polytetrafluoroethylene), which offers excellent chemical resistance, high purity, and high-temperature resistance (-18°C to 200°C).
Design:
Flare End: Typically features a PFA tubing flare design, secured by crimping or threading to ensure a tight seal.
Flange End: Conforms to standard flange specifications, facilitating connection to other flanged equipment.
Sealing Method: PFA gaskets, O-rings (e.g., EPDM, FFKM), or metal seals may be used to ensure leak-proof operation.
CYLEX Plastics supports small batch customization, large quantity discounts, fast delivery, and guaranteed after-sales service. Send us your drawings today!
Get a quote or inquire for more information about custom processing of PFA Fittings.
| Part No. | Tube O.D. | A (mm) | B (mm) | C (mm) | ØD (mm) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| D-UF-G1-6-15/20A | 3/8″ | 60 | 10 | 23.5 | 54 | |||||
| D-UF-G1-6-25/32A | 3/8″ | 60 | 10 | 23.5 | 70 | |||||
| D-UF-G1-8-15/20A | 1/2″ | 65 | 10 | 28.5 | 54 | |||||
| D-UF-G1-8-25/35A | 1/2″ | 65 | 10 | 28.5 | 70 | |||||
| D-UF-G1-8-20A | 1/2″ | 65 | 6.1 | 33 | 52.1 | |||||
| D-UF-G1-12-15A | 3/4″ | 75.5 | 10 | 39 | 54 | |||||
| D-UF-G1-12-20A | 3/4″ | 75.5 | 6.1 | 45 | 52.1 | |||||
| D-UF-G1-12-25/32A | 3/4″ | 75.5 | 10 | 39 | 70 | |||||
| D-UF-G1-16-20A | 1″ | 78 | 6 | 46 | 59 | |||||
| D-UF-G1-16-25A | 1″ | 78 | 10 | 51 | 70 | |||||
● Wetted parts: Ultrapure PFA. ● Nut: Ultrapure PFA. ● Maximum working pressure: 125 PSIG (8.6 bar), see pressure/temperature table. ● Operating temperature range: -18℃~200℃, 1½ and above specifications are recommended to be used at a temperature below 150°C. | ||||||||||
CYLEX® PFA Flared-to-Flange Unions bridge PFA tubing systems to standard flanges (ANSI, DIN, or JIS), offering a seamless, contamination-free solution for high-purity and corrosive fluid handling. Ideal for replacing metal fittings in semiconductor etch tools, pharmaceutical bioreactors, and sulfuric acid transfer lines.
Zero Contamination: PFA material prevents particle shedding or ion leaching.
Flared Tube Grip: Compression-sealed design eliminates thread galling risks.
Quick Installation: Pre-assembled units reduce downtime.
Semiconductor: UPW/WW/chemical distribution in fabs.
Pharma: Sterile fluid paths in bioreactors.
Chemical: Concentrated acid/alkali pipelines.
Fast Shipping: Large inventory, ready to ship.
Custom Solutions: OEM & special sizes available.
Expert Support: Technical assistance for fluid system design.
“Can this fitting handle hydrofluoric acid?” → Yes, PFA resists HF.
“Is the flared end compatible with PARKER tubes?” → Designed to industry-standard dimensions.
| Surface roughness specification | ||
|---|---|---|
| Component Description | SEMI F57 0622 Recommended value Ra (µm) | Typical test results Ra (µm) |
| Injection molded valve body | ≤0.35 | ≤0.30 |
| Machine-machined PTFE diaphragm | ≤0.35 | ≤0.20 |
| Injection molded fitting flow path | ≤0.35 | ≤0.25 |
| Machine-machined PFA valve body | ≤0.60 | ≤0.30 |
| Machine-machined PTFE valve body | ≤0.60 | ≤0.40 |
The test liquid used was ultrapure water and the test was carried out at 85°C. The parts were leached after the prescribed rinsing pretreatment. The immersion time was 7 days.
| Ion types | SEMI F57 0622 Recommended value (µg/m³) | Typical product measurement values (ultrapure water 85°C+5°C, 7-day leaching value) (µg/m³) |
|---|---|---|
| Ammonium ions NH4+ | ≤100 | <0.1 |
| Bromide ions Br− | ≤100 | <0.1 |
| Chloride ions Cl− | ≤100 | <3 |
| Fluoride ions F− | ≤20000 | <133 |
| Nitrate ions NO3 | ≤100 | <0.1 |
| Nitrite ions NO2 | ≤100 | <0.1 |
| Phosphate ions PO42− | ≤100 | <0.1 |
| Sulfate ions SO42− | ≤100 | <0.1 |
| Surface extractable metal contaminants | ||
|---|---|---|
| Test items (tcp-ms) | SEMI F57 0622 Recommended value (μg/m²) | Typical product measurement values (ultrapure water 85°C + 5°C, 7-day leaching value) (μg/m²) |
| Aluminum AI | ≤5 | <0.2 |
| Arsenic AS | ≤2 | <0.1 |
| Antimony Sb | ≤2 | <0.1 |
| Barium Ba | ≤15 | <0.2 |
| Boron B3 | ≤30 | <0.5 |
| Cadmium Cd | ≤2 | <0.01 |
| Calcium Ca | ≤10 | <0.21 |
| Chromium Cr | ≤1 | <0.2 |
| Copper Cu | ≤10 | <0.2 |
| Iron Fe | ≤5 | <0.2 |
| Lead Pb | ≤1 | <0.05 |
| Lithium Li | ≤2 | <0.2 |
| Magnesium Mg | ≤2 | <0.2 |
| Manganese Mn | ≤5 | <0.2 |
| Nickel Ni | ≤1 | <0.2 |
| Potassium K | ≤10 | <0.5 |
| Sodium Na | ≤10 | <0.5 |
| Strontium Sr | ≤0.5 | <0.05 |
| Titanium Ti | ≤2 | <0.1 |
| Tin Sn | ≤2 | <0.1 |
| Vanadium V | ≤2 | <0.01 |
| Zinc Zn | ≤5 | <0.2 |
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