CYLEX’s PFA Flared Bulkhead Union ensures secure, leak-proof connections in high-purity and corrosive fluid systems. Ideal for semiconductor, chemical, and pharmaceutical applications, and easy installation.
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| Part No. | Tube O.D. | Orifice (mm) | A (mm) | B (mm) | C (mm) | D (Max) (mm) | HEX1 (mm) | HEX2 (mm) | Minimum Panel Hole Diameter |
|---|---|---|---|---|---|---|---|---|---|
| D-G1-SPM4-4-FA | 1/4″ | 3.8 | 85.5 | 43.9 | 24.7 | 12.7 | 19.4 | 16.3 | 1/2″ |
| D-G1-SPM6-6-FA | 3/8″ | 6.3 | 90.5 | 46.5 | 26.7 | 12.7 | 21.8 | 20 | 5/8″ |
| D-G1-SPM8-8-FA | 1/2″ | 9.6 | 96 | 49.2 | 28.9 | 12.7 | 23.3 | 23.8 | 3/4″ |
| D-G1-SPM12-12-FA | 3/4″ | 16 | 103.5 | 52.5 | 33 | 12.7 | 33.3 | 30.1 | 1″ |
| D-G1-SPM16-16-FA | 1″ | 22.3 | 117 | 56.2 | 37.2 | 12.7 | 44.4 | 41.2 | 1-7/16″ |
● 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. | |||||||||
✅ High-Purity PFA Material – Resistant to acids, solvents, and ultra-pure chemicals, perfect for semiconductor and pharmaceutical industries.
✅ Flared Design for Secure Sealing – Prevents leaks with a compression-style flare connection.
✅ Bulkhead (Panel-Mount) Installation – Easily mounts to equipment panels, tanks, or walls.
✅ Equal-Diameter Flow – Minimizes turbulence and pressure drop for consistent fluid transfer.
✅ Chemical & Temperature Resistant – Withstands harsh environments ( -18℃~200℃).
✅ SEMI & FDA Compliant – Meets industry standards for safety and purity.
✔ Semiconductor Manufacturing – Ultra-pure chemical delivery (etchants, solvents).
✔ Chemical Processing – Corrosive fluid handling (acids, alkalis).
✔ Pharmaceutical & Biotech – Sterile fluid transfer systems.
✔ Analytical Instruments – HPLC, gas chromatography.
Material: High-purity PFA (Perfluoroalkoxy)
Connection Type: Flared Tube (Compression Fitting)
Sizes Available: 1/4″, 3/8″, 1/2″ (Custom sizes upon request)
Pressure Rating: 125 PSIG (8.6 bar) (varies by size)
Temperature Range: -18℃~200℃
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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