CYLEX PFA Straight Union – A high-purity, chemical-resistant fitting designed for leak-proof fluid connections in demanding industries. Made from durable PFA (perfluoroalkoxy) resin, this union features a full-bore design for smooth flow and minimal contamination. Ideal for semiconductor, pharmaceutical, and chemical processing applications, it resists harsh acids, solvents, and high temperatures (-18℃~200℃). Fast shipping & competitive pricing – order now!
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| Part No. | Tube O.D. | Orifice (mm) | A (mm) | B (mm) | C (mm) | ||||
|---|---|---|---|---|---|---|---|---|---|
| D-G1-SU4-4-FA | 1/4″ | 3.8 | 66 | 24.6 | 17.4 | ||||
| D-G1-SU6-6-FA | 3/8″ | 6.3 | 70 | 26.4 | 20.6 | ||||
| D-G1-SU8-8-FA | 1/2″ | 9.6 | 76 | 30 | 23.8 | ||||
| D-G1-SU12-12-FA | 3/4″ | 16 | 84 | 32.8 | 30.1 | ||||
| D-G1-SU16-16-FA | 1″ | 22.3 | 98 | 37 | 36.5 | ||||
| D-G1-SU20T-20T-FA | 1-1/4″ | 27.9 | 120.5 | 45.6 | 44.4 | ||||
| D-G1-SU24T-24T-FA | 1-1/2″ | 33.7 | 168 | 55 | 61 | ||||
● 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 Straight Union provides a reliable, leak-proof connection for corrosive and high-purity fluid systems. Made from perfluoroalkoxy (PFA) resin, this fitting ensures superior chemical resistance, low particle generation, and long-term durability in demanding environments.
✅ Full-Bore Design – Smooth inner surface minimizes turbulence and prevents contamination.
✅ Wide Chemical Compatibility – Resists acids (HF, HCl), solvents, and aggressive media.
✅ High-Purity & Low Leachability – Ideal for semiconductor, pharmaceutical, and biotech applications.
✅ Temperature Range – Stable performance from -18℃~200℃ ( -0.4°F ~ 392°F).
● Semiconductor Manufacturing – Chemical delivery, CMP, and wet etch systems.
● Pharmaceutical & Biotech – Sterile fluid transfer, bioreactors.
● Chemical Processing – Aggressive acid and solvent handling.
● Analytical Instruments – HPLC, GC, and ultra-pure water systems.
| 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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