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Home > Industrial Equipment & Components > Valve > Needle Valve > Corrosion-Resistant Double Ferrule Needle Valve for Chemical Processing

Corrosion-Resistant Double Ferrule Needle Valve for Chemical Processing

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Product Spotlights

Precision 316L stainless steel needle valve featuring leak-proof double ferrule compression for ultimate safety in chemical processing. Delivers accurate flow control, exceptional corrosion resistance to acids/alkalis, withstands 1000 PSI & 200°C. Reduces maintenance costs & downtime. Ideal for harsh chemical, petrochemical, and lab applications. Custom sizes/seals available.

Negotiable MOQ: 100 Pieces (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, 316L Stainless Steel Body & Components

Connection Type:

Double Ferrule Compression Fitting

Pressure Rating:

1000 PSI (69 Bar) Max Working Pressure

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Shanghai Quanbao Electronic Materials Technology Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

7 days

Product Details
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Material Other, 316L Stainless Steel Body & Components

Connection Type Double Ferrule Compression Fitting

Pressure Rating 1000 PSI (69 Bar) Max Working Pressure

Temperature Range -20°C to 200°C (-4°F to 392°F)

Port Size 1/4“ to 1/2“ NPT (Other sizes optional)

Seal Material PTFE (Standard), FFKM (Optional)

Handle Type Knurled Knob (Stainless Steel)

Application Chemical Processing, Petrochemical, Lab

Shanghai Quanbao Electronic Materials Technology Co., Ltd., a trusted industrial solutions provider based in Shanghai, China, proudly presents our precision-engineered Corrosion-Resistant Double Ferrule Needle Valve. Designed specifically for the demanding environments of chemical processing, this valve delivers unmatched reliability in controlling aggressive fluid flows. Our commitment to robust engineering ensures this valve minimizes downtime and maintenance costs for critical applications. Leveraging Shanghai's advanced manufacturing ecosystem, we guarantee consistent quality and performance in every unit shipped globally.

Engineered for precision flow control in corrosive environments, this valve features:

Superior Corrosion Resistance: Constructed entirely from 316L stainless steel, offering excellent resistance to acids, alkalis, solvents, and other aggressive chemicals commonly found in processing plants.
Leak-Proof Double Ferrule Design: The dual-ferrule compression fitting creates two independent 360° seals around the tubing, significantly reducing the risk of leaks under high pressure or vibration – a critical safety feature for hazardous chemicals.
Precision Flow Control: A finely threaded stem and tapered needle point allow for extremely accurate, fine-adjustment flow regulation, essential for dosing, sampling, and instrumentation lines.
Robust Construction: Forged body and hardened components ensure structural integrity and long service life even under high-cycle operations and pressure surges.
Versatile Sealing Options: Standard PTFE seals handle most chemicals; optional FFKM (Perfluoroelastomer) seals are available for extreme temperatures or highly aggressive media upon request.

Key technical specifications include:

Feature	Specification
Body Material	316L Stainless Steel
Max Working Pressure	1000 PSI (69 Bar)
Temperature Range	-20°C to 200°C (-4°F to 392°F)
Connection Sizes	1/4", 3/8", 1/2" NPT (Others Customizable)
Seal Material (Std)	PTFE
Flow Characteristic	Fine Metering

Benefits for your chemical processing operation:

Enhanced Safety: The double ferrule design drastically reduces the potential for dangerous leaks of hazardous or volatile chemicals, protecting personnel and equipment.
Reduced Maintenance Costs: Exceptional corrosion resistance and robust construction minimize wear, valve failure, and the need for frequent replacements.
Improved Process Control: Precise flow adjustment ensures accurate dosing, consistent reaction conditions, and reliable sampling results.
Compatibility: Works seamlessly with common instrumentation tubing sizes and materials used in chemical plants.
Long-Term Reliability: Engineered for continuous operation in harsh environments, reducing unplanned shutdowns.

Backed by Shanghai Quanbao's commitment to quality and technical expertise in Shanghai, China, this valve represents a dependable investment for your critical fluid handling systems. Our focus on durable materials and precision manufacturing ensures you receive a product built to withstand the rigors of chemical processing. Experience the difference that purpose-built engineering makes – contact our Shanghai team today for detailed specifications, volume pricing, or to discuss custom configurations tailored to your specific chemical compatibility or pressure requirements. Let us help you optimize your process reliability and safety.

Frequently Asked Questions (FAQ):

Q: Is this valve suitable for concentrated sulfuric acid service?
A: The 316L stainless steel body offers good resistance to many acids, including sulfuric acid at moderate concentrations and temperatures. For highly concentrated hot sulfuric acid, please consult our technical team for specific material recommendations, as optional Hastelloy bodies may be required.
Q: Can I use this valve with metric tubing?
A: Yes. While standard connections are NPT, we offer valves with metric compression fittings (e.g., for 6mm or 10mm tubing) upon request. Specify your tubing OD when ordering.
Q: How does the double ferrule design improve leak prevention compared to single ferrule?
A: The double ferrule creates two distinct sealing points: the front ferrule forms a seal against the tubing, and the back ferrule grips the tubing and provides a seal against the fitting body. This dual action offers superior resistance to vibration fatigue and thermal cycling, common causes of leaks.
Q: What is the expected service life under continuous chemical exposure?
A: Service life depends heavily on the specific chemical, concentration, temperature, pressure, and cycle frequency. Under typical chemical plant conditions with compatible media, expect several years of reliable service. PTFE seals generally offer excellent longevity against chemicals.
Q: Is the valve repairable if components wear out?
A: Yes. Key wear components like the stem, needle point, and seals are generally replaceable. Repair kits are often available, extending the valve's overall lifespan and reducing long-term costs.
Q: Do you offer actuated versions for remote control?
A: While the standard version is manual, pneumatic or electric actuators can often be fitted for automated process control systems. Inquire about actuation options.
Q: What is the minimum order quantity (MOQ)?
A: MOQ varies. We can often accommodate small trial orders. Contact our Shanghai sales office for specific MOQ and pricing based on your requirements.
Q: How do I ensure proper installation to prevent leaks?
A: Correct tube preparation (square cut, deburred) and proper tightening technique for double ferrule fittings are crucial. We provide detailed installation guides, and our technical support team is available for guidance.