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Flanged Concentric Butterfly Valve icon
Wholesale Concentric Butterfly Valve icon
Flanged Concentric Butterfly Valve
Wholesale Concentric Butterfly Valve

Stainless Steel Flange Butterfly Valve - Electric

PN6~PN20 (Class150)
Water Supply & Wastewater Treatment Energy & Semiconductors Petrochemical Industry Seawater Desalination Mining & Metals Shipbuilding Industry

Product Advantages

iconSpecialized standards for specialized supply: Strict Standards separation ensures dimensional compatibility, eliminating misalignment risks.

iconSealing Integrity: Precision machining under single-standard protocols prevents leakage from mismatched sealing surfaces.

iconMaterial Assurance: 100% stainless steel with third-party certifications eliminates counterfeit risks.

iconTraceable Craftsmanship: ISO9001 casting with permanent markings enables lifetime quality tracking.

iconFull-process Reliability: Reinforced components exceed standard product performance in strength/sealing/operation.

iconPrecision-Matched Flanges:Flanges customized from pipeline measurements for leak-free sealing.Thickness reinforced per standards (e.g., HG/T).

Standards and Certifications

Design and Manufacture: ASME B16.34; ASME VIII; API 609:AS2129 JISB2220

Leakage Class: API 598 (Bi-directional Zero Leakage)

Side Flange Standards: ANSI 125LB/ 150LB; ASME; AS-D/E; BS; DIN; EN PN6/ PN10/ PN16; GB; GOST; HG/T; JIS 5K/ 10K

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Top Flange (Actuator Mounting) : ISO 5211; GB 90°

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Face-to-Face Dimension: ISO 5752; MSS SP-68; ASME B16.10; EN 558-1; API 609

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Testing Standards: API 598; EN 12266-1; ISO 5208; BS 6755-1

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Certifications: ISO 9001; CE; BV; API 609; API 598; EAC; SIL3;

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Technical description

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Q&A

SPECIFICATION OF THE VALVE

 

Type of Connection

Flange

Actuation

Electric

Size

1 1/2in ~ 48in
(DN40~DN1200)

Pressure

10bar~20bar
(1.0mpa~2.0mpa)

Testing Pressure

256psi

Medium

Water, Oil, Gas, Steam, Corrosive Media, Slurry, etc.

Medium Temperature

-25℃~180℃

MATERIAL OF THE VALVE

 

Body

CF8/ CF8M/ CF3/ CF3M/ 2205/ 2507/ 1.4529/ 1.4406

Disc

DI/ CF8/ CF8M/ CF3/ CF3M/ 2205/ 2507/ 1.4529/ HC276/ C95400/ C95800

Stem

45#/ SS410/ SS416/ SS420/ SS304/ SS316/ SS316L/ 17-4/ 2205/ 2507/ 1.4529/ K500/ CF8/ CF8M/ HC276

Soft Seat

EPDM/ NBR/ SIL/ FKM/ FPM/ VITON/ PTFE/ HYPALON/ UHMWPE

Power & Control

Voltage Options: AC 220V, 380V; DC 24V

Frequency: 50Hz / 60Hz

Control Type: On/Off (Quarter-turn)

Modulating Input: 4-20mA / 0-10V DC

Current Draw: Varies by model (e.g., 0.2A ~ 2.5A)

Protection & Housing

Protection Class: Standard IP67 (NEMA 4/4X)

Optional Protection: IP68 (Submersible)

Housing Material: Die-cast Aluminum Alloy

Coating: Anti-corrosion Powder Coating

Ambient Temp: -20°C to +70°C (-4°F to +158°F)

Functions & Safety

Manual Override: Handwheel for Emergency Use

Position Indicator: Dome-type Visual Indicator

Limit Switches: 2x Open, 2x Close (Standard)

Torque Protection: Electronic Over-torque Cutoff

Optional Fail-Safe: Battery Backup Module

Butterfly valve casting

Investment Casting for Superior Finish & Integrity

Our stainless steel flange valve bodies are created using a precision investment casting process. This method ensures an exceptionally smooth surface finish for better flow and hygiene, and a dense, uniform material structure for maximum corrosion resistance and pressure containment.

Discover Our Quality Control

THE JRVAL ADVANTAGE: ENGINEERED FOR CORROSION RESISTANCE

We combine our expertise in stainless steel metallurgy with precision electric actuators to deliver automation solutions that thrive. Each assembly is designed for superior corrosion resistance, hygienic performance, and reliable control in chemically aggressive and critical purity applications.

FOUNDRY-LEVEL MATERIAL CONTROL

As casting specialists, we ensure material purity. We use PMI testing to verify every batch of CF8M/SS316 stainless steel, guaranteeing the correct chrome, nickel, and molybdenum content for maximum corrosion resistance.

PRECISION CNC FLANGE MACHINING

Our state-of-the-art CNC centers machine every flange face to exact ANSI/DIN standards. This precision ensures a perfect gasket seal, preventing dangerous leaks in high-pressure or corrosive chemical lines.

PROVEN RELIABILITY & DESIGN

With over two decades of successful installations in corrosive environments, our valve designs are proven to be robust and reliable. This experience ensures our products deliver long-term, leak-free performance.

Automated Control for Corrosive & Hygienic Processes

Our electric actuated stainless steel flange valves provide the ultimate in corrosion resistance and purity, making them the premier choice for industries where media integrity and automated control are critical.

Ss butterfly valve

Food & Beverage Production

For automated clean-in-place (CIP) systems and product lines, our valves ensure hygienic conditions. An electric ss butterfly valve with a polished finish prevents bacterial growth and ensures product purity from start to finish.

Cf8m butterfly valve

Pharmaceutical & Biotech

In high-purity water (WFI) and process fluid loops, material integrity is non-negotiable. Our automated cf8m butterfly valve, made from 316 stainless steel, provides a crevice-free, sanitary flow path essential for sterile manufacturing.

Butterfly valve ss

Chemical Manufacturing

For automated batching and transfer of corrosive chemicals, acids, and alkalis, a robust butterfly valve ss construction offers broad chemical compatibility, ensuring plant safety and long-term asset reliability.

Awwa butterfly valve

Water & Wastewater Treatment

In chemical dosing systems (e.g., chlorine, ferric chloride) and membrane filtration skids, stainless steel is vital. Our electric awwa butterfly valve in SS316 offers superior resistance to corrosive treatment chemicals.

Butterfly valve stainless steel body

Seawater Desalination

Handling high-salinity brine and seawater in reverse osmosis plants requires superior materials. A butterfly valve stainless steel body, specifically in Duplex or SS316L, prevents chloride pitting and ensures maximum plant uptime.

Lined butterfly valve

Pulp & Paper Mills

For automated control of corrosive bleaching chemicals and white liquor, a standard stainless steel valve is essential. For extreme services, a PTFE lined butterfly valve with a stainless body offers the ultimate chemical barrier.

Rubber lined butterfly valve

Mining & Slurry Processing

In mineral extraction processes involving acidic leachates and corrosive slurries, a stainless steel body is critical. An automated rubber lined butterfly valve with an SS body combines abrasion and corrosion resistance perfectly.

Class 150 butterfly valve

Petrochemical & Refining

For utility lines handling sour water, process chemicals, and other corrosive by-products, a stainless steel class 150 butterfly valve provides a reliable, automated isolation solution that meets stringent plant safety standards.

Low temperature butterfly valve

LNG & Cryogenic Service

For automated control at extremely low temperatures, austenitic stainless steel is required for its toughness. A specially designed low temperature butterfly valve ensures safe and reliable operation in LNG terminals and air separation units.

Engineered for Challenging Process Environments

Our electric stainless steel flange valve assemblies are purpose-built to deliver reliable automated performance in environments defined by aggressive chemicals, strict hygiene, and extreme temperatures.

Highly Corrosive Media

The inherent properties of CF8M/316 stainless steel provide robust defense against a wide range of acids, alkalis, and chlorides, making our stainless steel flanged butterfly valve the standard for chemical processing.

Sanitary & Hygienic Applications

With highly polished surfaces and crevice-free design, our automated stainless butterfly valve is ideal for food, beverage, and pharmaceutical manufacturing where preventing contamination is the highest priority.

Marine & Coastal Environments

The flanged design provides a secure, high-integrity seal essential for shipboard systems and onshore facilities. The stainless steel body and secure butterfly valve flange connection resist external corrosion from salt spray.

High-Purity Water Systems

For systems producing deionized, distilled, or WFI water, material leaching is a major concern. We offer a wholesale stainless steel butterfly valve that uses inert seat materials to preserve water purity.

Oxidizing Chemical Service

For automated control of oxidizing agents like nitric acid or hydrogen peroxide, a butterfly valve cf8m (SS316) is the required specification, offering superior resistance to oxidative attack compared to SS304.

Cryogenic Service

Austenitic stainless steel retains its ductility and toughness at temperatures down to -196°C. An extended bonnet butterfly valve ss316 is the engineered solution for automated control of liquefied gases.

Trim Configurations for Specific Media Challenges

We combine our corrosion-resistant stainless steel body with a range of specialized disc and seat materials to deliver reliable automated control for even the most demanding process fluids.

Concentrated Acids & Solvents

For highly aggressive media, a PTFE liner offers near-universal chemical resistance. Our ptfe seat butterfly valve with a Hastelloy disc provides the ultimate defense in automated chemical injection systems.

Alkaline & Caustic Solutions

For automated control of sodium hydroxide and other caustic media where PTFE is not required, an epdm seat butterfly valve offers excellent chemical resistance and tight shut-off at a cost-effective price point.

Chlorinated & Seawater Media

For automated systems handling chlorinated water, bleach, or seawater, FKM material provides superior performance. A viton butterfly valve configuration prevents seat degradation and ensures a long service life.

Abrasive Slurries

For automated lines in mining or chemical processing with abrasive particles, a resilient liner is key. A thick rubber seat butterfly valve protects the stainless steel body from erosion while providing tight shut-off.

Food-Grade & Sanitary Service

For applications requiring FDA compliance, we offer a teflon butterfly valve configuration with food-grade EPDM or Silicone seats, ensuring the entire wetted path is safe for consumable products.

High-Temperature Steam

For automated control of plant steam or hot process fluids, standard elastomers will fail. Our specialized high temp butterfly valve uses reinforced PTFE (RTFE) seats to handle continuous high-temperature service reliably.

Case Study: Mitigating Supply Chain Risk for a Specialty Chemical Plant Expansion

How a mid-sized chemical manufacturer optimized their valve procurement strategy, achieving a 22% cost reduction and a 4-week lead time improvement without compromising on material integrity or long-term performance for their corrosive media lines.

The Client: A Regional Specialty Chemical Producer
A specialty chemical plant in Southeast Asia was undertaking a critical expansion of its production line for acidic cleaning agents. The project's success depended on sourcing 52 units of electric actuated, corrosion-resistant butterfly valves (DN150 to DN400) that met stringent performance and safety standards, all within a tight 10-week installation window and a carefully managed budget.

The Procurement Challenge: Balancing Cost, Lead Time, and Verifiable Quality
The project engineer, Mr. Hassan, faced a common procurement dilemma. Quotes from established European brands were reliable but exceeded the valve budget by nearly 30% and quoted 12-14 week lead times, jeopardizing the entire project schedule. Conversely, low-cost options from unverified traders presented significant risks of material non-compliance (e.g., lower molybdenum content in SS316) and inconsistent manufacturing quality, which had led to premature failures in past projects.

The JRVAL Solution: A Transparent, Vertically-Integrated Approach

Instead of simply providing a quote, we engaged with Mr. Hassan's engineering team to present a comprehensive technical and supply chain solution. Our value proposition was built on verifiable quality control rooted in our **in-house casting capabilities** and transparent processes.

1. Foundry-Direct Material Control & Verification

As a manufacturer with our own 81,426m² facility including an integrated foundry, we demonstrated end-to-end control. Our founder, a 20-year casting expert, oversees the process. For this project's ASTM A351 CF8M (SS316) valves, we provided batch-specific **Material Test Reports (MTRs)** directly from our foundry, showing a consistent molybdenum content between 2.2-2.5% (exceeding the 2.0% minimum), critical for chloride corrosion resistance. We welcomed the client to arrange a paid, independent SGS inspection at our facility prior to shipment, ensuring full transparency.

2. Precision Machining for Guaranteed Fit and Performance

Leveraging our 11 key CNC machining centers, we ensured all valve bodies and flange connections adhered strictly to EN 1092-1 PN16 dimensions. Final QC dimensional reports, generated using calibrated measuring tools (e.g., vernier calipers), were included in the documentation package for each valve, guaranteeing seamless on-site installation and perfect alignment.

3. Engineered Sealing with Quantifiable Performance

The acidic medium required reliable, long-term sealing. Our solution featured EPDM-lined valves achieving **bi-directional zero-leakage performance under the API 598 Rate A test standard**. This is accomplished through a proprietary seat geometry that ensures uniform disc-to-seat pressure distribution, enhancing seal longevity without added material cost—a key aspect of our design philosophy.

4. Predictable Lead Times through In-House Production

By controlling casting and machining in-house, we eliminated the delays and uncertainties common with outsourced production. We committed to and met an **8-week Ex-Works delivery schedule**, a full 4 weeks shorter than the European alternatives, effectively de-risking the client's critical installation timeline.

5. Comprehensive After-Sales Support and Warranty

We provided a clear support framework: a **24-month warranty** covering material and manufacturing defects. During this period, any required spare parts (e.g., seats, gaskets) would be provided free of charge. Post-warranty, since our valves are built to international standards (ISO 5752), sourcing replacement parts is straightforward and not dependent on a proprietary supply chain. Our technical team remains available for online support to assist with any operational queries.

Quantifiable Results & KPIs

The partnership delivered tangible, measurable outcomes that directly addressed the client's initial challenges.

  • Cost Optimization: The final procurement cost was **22% lower** than the average quote from Tier-1 European brands, bringing the valve package comfortably within the project budget.
  • Schedule Adherence: Delivery was completed in 8 weeks, **reducing the anticipated lead time by 33%** (from 12 weeks) and allowing the project to proceed on schedule.
  • Reduced Long-Term Operating Costs (TCO):** Based on 18 months of post-installation data, there have been zero valve failures or leaks, eliminating unplanned downtime. The robust sealing design is projected to extend the typical seat replacement cycle, contributing to lower maintenance costs. (Note: Full TCO analysis is ongoing).
  • Risk Mitigation: The transparent inspection process and comprehensive documentation package satisfied the client’s internal quality assurance and safety audits, eliminating compliance risks.
JRVAL's transparency was the deciding factor. Their pricing was competitive, but it was the open access to their foundry, the detailed MTRs showing above-spec Moly content, and their willingness to accommodate our independent inspector that gave us confidence. The valves were delivered on the promised date and have been operating for over 18 months without a single issue. The cost savings were significant, but the project timeline security was invaluable.
Mr. Hassan, Project Engineer
Mr. Hassan Project Engineer, Specialty Chemicals Plant

QUALITY & COMPLIANCE CERTIFIED

Our commitment to quality is verified by internationally recognized standards, providing the documentation and peace of mind you need for your critical industrial applications.

iso 9001 certified valve manufacturer
ce marked industrial valve
bv certified butterfly valve

Electric Stainless Steel Flange Butterfly Valve

Engineered for corrosion resistance and purity.

Request a Technical Quote

Electric Actuated Flange Valves: Technical Questions

What are the control options for your electric actuators?

We offer two primary control types: On/Off (Quarter-Turn) for simple open/close operations, and Modulating (Regulating) which accepts a 4-20mA or 0-10V input signal for precise flow control. All actuators include a manual override handwheel for operation during power loss and are available in various voltages (e.g., 24V DC, 220V AC, 380V AC).

How do you guarantee the grade of stainless steel (e.g., SS316 vs SS304)?

As a foundry-based manufacturer, we have full control over the material from melt to final product. Every batch of valves comes with a detailed **Material Test Report (MTR)** traceable to the heat number cast on the valve body. For CF8M (SS316), we ensure the molybdenum content consistently exceeds the 2.0% minimum for superior corrosion resistance.

How do you ensure the actuator is correctly sized for the valve?

We size our actuators based on the valve's specific torque requirements, considering factors like line pressure, media, and temperature. We add a safety factor of at least 30% to the valve's breakaway torque to ensure reliable performance and long service life. The valve-actuator connection is standardized via an **ISO 5211 mounting flange**, guaranteeing perfect alignment and interchangeability.

Will your flanged valve fit my existing pipeline? What standards do you use?

Yes. We manufacture to all major international flange standards. You can specify **ANSI B16.5 (Class 150), EN 1092-1 (PN10/PN16), or JIS (10K/5K)** when ordering. We ensure both the flange drilling and the valve's face-to-face dimension (per ISO 5752) strictly conform to the specified standard for a drop-in, hassle-free replacement.

OUR COMMITMENT & GUARANTEE

Verified Material Integrity

We guarantee that the material you specify is the material you receive. Our foundry-direct model and included MTRs provide verifiable proof of chemical composition and mechanical properties for every valve.

Reliable Automation

We guarantee a fully integrated and tested valve assembly. The actuator is properly sized with a safety margin, mounted per ISO 5211, and cycle-tested to ensure smooth, dependable operation right out of the box.

Transparent Documentation

We guarantee comprehensive documentation for your quality assurance. Each shipment includes MTRs, hydrostatic test reports (per API 598), actuator datasheets, and wiring diagrams to support your installation and commissioning process.

Ready to discuss your specific automation needs? Contact our engineers for a technical consultation.

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