PFA Plug Valve
CYLEX PFA Plug Valve is designed for high-purity semiconductor applications. It is assembled with injection molded high-purity PFA valve body and machined PTFE valve stem. The press-fit valve stem ensures a leak-free seal between the valve stem and the valve body during operation. The valve can be quickly rotated 90° and is available in 3/8″ and 1/4″ sizes.
CYLEX supports small-batch customization, offers discounts for large quantities, fast delivery, and provides guaranteed after-sales service.
Get a quote or inquire for more information about custom processing of PFA Valves .
Processing Cycle:
7-14 days
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CYLEX PFA Plug Valve: Uncompromising Purity and Corrosion Resistance
Engineered for Critical Fluid Handling
In industries where a single contaminant can compromise an entire batch or a weak valve can lead to hazardous leaks, you need a solution you can trust. The CYLEX PFA Plug Valve is precision-manufactured to provide exceptional performance in ultra-pure and highly corrosive environments. From high-purity etchants to aggressive acids and solvents, our valve delivers unmatched reliability.
Advantage
● Keep your system pure.
● Suitable for use in corrosive environments.
● Direct installation minimizes additional connections and reduces costs.
Feature
● One-piece precision machined stem and molded high purity PFA body.
● All components are made of chemically resistant materials.
● Multiple end configurations available including Parflare.
Specification
● Material: Wetted parts: PFA, PTFE Non-wetted parts: PFA, PVDF
● Pressure range：0 to 60 PSIG (4.1 bar)
● Temperature range：Environment： 0° – 150° F (17° – 66° C)
● Fluid： 0° – 266° F (17° – 130° C)
Industry Applications
● Semiconductor & PV: Chemical Delivery Systems (CDS), CMP, Etching, Cleaning.
● Pharmaceutical & Biotech: WFI (Water for Injection), Purified Water, Buffer Solutions, Process Bioreactors.
● Chemical Processing: Transfer of aggressive acids, solvents, and high-purity chemicals.
● Analytical & Laboratory Equipment: Sample lines, reagent dispensing.
Your Reliable Fluid Control Partner
Don’t compromise on the components that guard your core process. Choose CYLEX for PTFE Check Valves that are built to perform, day in and day out.
At CYLEX, we are committed to providing not just products, but solutions. Our PFA Plug Valve are manufactured under strict quality control to ensure they meet the highest standards.
Need a Quote or Custom Size? ✉️ Contact CYLEX Today!
Test Type Test Conditions Acceptance Criteria Test Results Burst pressure Hydraulic oil pressure builds up until a leak is detected The burst pressure must be greater than 2 times the rated pressure PASS Pressure envelope 414kPa (60psig)@180°C and 310kPa (45psig)@200°C thermal oil 1 million cycles at 1.5 times rated pressure without external leakage PASS No external leakage Drive cycle test 276kPa (40psig)@180°C and 207kPa (30psig)@200°C thermal oil cycle 500,000 times Functional performance up to 500K cycles without leakage in normally open valves PASS No external or port-to-port leakage <0.050 cc H₂O/hr 276 kPa (40 psig)@180°C and 207 kPa (30 psig)@200°C thermal oil 1 million cycles Functional performance up to 1 million cycles without leakage in normally closed valves PASS No external or port-to-port leakage <0.050 cc H₂O/hr Test Type Test Conditions Acceptance Criteria External medium leakage 552kPa (80psig) CDA Through 1/32″ ID tubing immersed in DI water, no bubbles per minute Port to Port Valve Testing 552kPa (80psig) CDA to valve outlet Less than 4 bubbles per minute through 1/32″ ID tubing immersed in DI water Valve drive Pressure decay 552kPa (80psig) CDA Pressure drop less than 7 kPa (1 psig/min)
Surface Roughness Specifications & Surface Extractability Specifications
Surface roughness
Surface roughness specification
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 Surface extractable specifications
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.
Extractable ionic contamination
Surface extractable ionic contamination
Surface extractable ionic contamination 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 Extractable Metal Contamination
Surface extractable metal contaminants
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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