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VSJOCO
This fitting enables seamless connection between threaded PVDF pipes and butt-welded PVDF pipes within a single system. Manufactured through one-piece injection molding followed by precision thread machining, it maintains uniform wall thickness and consistent dimensional accuracy. The dual-connection design allows on-site installation flexibility, eliminating the need for additional adapters and reducing system complexity.
Chemical processing: Transfer of acids, alkalis and organic solvents
Semiconductor manufacturing: High-purity fluid and chemical delivery systems
Pharmaceutical production: Clean-in-place (CIP) and sterilization-in-place (SIP) processes
Water treatment: Reverse osmosis, desalination and wastewater treatment systems
Food and beverage processing: FDA-compliant grade available for edible product handling
PVDF material withstands exposure to over 90% of common industrial chemicals, including strong acids, bases and halogenated compounds. Unlike steel or stainless steel, it does not experience electrochemical corrosion or rust formation, making it suitable for pH 0-14 full-range operating conditions. This resistance eliminates the need for protective coatings and reduces system maintenance requirements.
The fittings maintain structural integrity across a continuous operating temperature range of -40℃ to 150℃. At 23℃, they support a rated working pressure of PN16. Even at extreme low temperatures, PVDF retains sufficient toughness to prevent brittle fracture, ensuring consistent performance in cold climate applications.
Internal threads conform to ANSI B1.20.1 standards with a dimensional tolerance of ±0.01mm, ensuring tight, leak-free connections. Butt-weld ends are engineered to match standard PVDF pipe wall thicknesses, facilitating smooth welding and minimizing flow restrictions. The integrated design eliminates potential leak points common in multi-component assemblies.
PVDF fittings have a service life 3-5 times longer than carbon steel equivalents in corrosive environments. They require no periodic recoating or corrosion inspection, reducing maintenance costs by over 60%. Extended service intervals also minimize production downtime associated with fitting replacement.
Standard production includes sizes ranging from 1/2" to 4". Non-standard sizes can be produced upon request to accommodate specific project requirements.
Material: 100% virgin PVDF resin (no recycled content)
Compliance: ASTM D3222, ISO 10931, CE, RoHS
Optional certifications: FDA 21 CFR 177.1520 (food contact), USP Class VI (biomedical applications)
Select fitting size based on pipeline diameter, operating pressure and fluid temperature. For high-purity applications, specify virgin PVDF grade to avoid contamination risks. Consult our engineering team for guidance on fittings for extreme temperature or pressure conditions.
All fittings undergo a five-stage quality control process: raw material composition testing, in-process molding monitoring, 100% pressure testing at 1.5× rated pressure, dimensional accuracy verification and final packaging inspection. Material test reports (MTRs) are available for every production batch upon request.
We offer customization for non-standard thread types (NPT, BSPT, BSPP), custom colors and laser marking for part identification. Minimum order quantities for custom orders are flexible to support both small-scale projects and large-volume production runs.
Standard sizes are maintained in 30-day inventory at multiple global warehouses. Regular orders ship within 7 business days, while emergency orders can be processed and dispatched within 48 hours. We provide door-to-door logistics services to over 80 countries worldwide.
Our team of industrial piping engineers provides pre-sales selection assistance, on-site installation guidance and post-sales troubleshooting. Technical support is available 24 hours a day, and all fittings come with a 12-month warranty against manufacturing defects.
Cut and deburr pipe ends to ensure smooth, square surfaces
Perform butt welding at a temperature range of 230-260℃ following standard PVDF welding procedures
Apply PTFE tape to male threads in a clockwise direction
Tighten threads to the recommended torque specification
Conduct a system pressure test before putting into operation
Store fittings in a cool, dry area away from direct sunlight and heat sources. Do not exceed the rated temperature or pressure limits. Inspect connections annually for signs of leakage or damage.
The maximum continuous operating temperature is 150℃. For intermittent use, the fittings can withstand temperatures up to 160℃ for short periods.
Yes, they are designed to be compatible with all standard PVDF pipes that meet ASTM D3222 specifications.
Yes, we provide FDA 21 CFR 177.1520 compliant PVDF fittings suitable for food and beverage contact applications.
Submit your project details including fitting size, quantity, required certifications and delivery deadline through our online form. Our sales team will provide a detailed quote within 24 hours.
For technical inquiries or custom project discussions, reach out to our engineering team via email or phone. We offer multilingual support to assist global clients.
