AeroForm Series Stainless Steel Wafer Type Butterfly Valve - Bare Shaft

1.5in~48in; PN6~PN20 (Class125~150)

Product Advantages

icon Superior Material Composition: Our valves are cast with chemical compositions at the highest end of international standards. For example, our ASTM A351 CF8 stainless steel contains 9% Nickel—the maximum allowable—to ensure superior corrosion resistance and extended service life.

icon Surface Integrity: Our castings are guaranteed to be free from surface porosity, shrinkage, or unauthorized weld repairs, ensuring maximum material strength and pressure-holding capability.

icon Future-Proof Automation Ready: ISO 5211 actuator pads enable future pneumatic/electric upgrades without valve replacement

icon Innovative & Compact Design: In a market of conventional designs, its unique and modern appearance immediately sets it apart.

Standards and Certifications

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

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

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

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

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

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

Technical description

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Q&A

Specification of the Valve

Type of Connection	Wafer
Actuation	Bare Stem: With mounting flange per ISO 5211 Manual: Hand Lever, Worm Gearbox Automated: Pneumatic Actuator (Double Acting/Spring Return), Electric Actuator
Size	DN40~DN1200 (1.5in~48in )
Pressure	PN6~PN20 (Class 125/150)
Testing Pressure	Shell: 1.5 x Rated Pressure; Seat: 1.1 x Rated Pressure (acc. to API 598)
Medium	Water, Oil, Gas, Steam, Corrosive Media, Slurry, etc.
Medium Temperature	-25~180℃ Depends on seat material

Material of the Valve

Body	Stainless Steel: CF8 (304), CF8M (316), CF3 (304L), CF3M (316L), JS1030, 1.4406 Duplex Stainless Steel: 2205, 2507 Austenitic Stainless Steel: 1.4529, CN7M (Alloy 20)
Disc	Cast Iron: DI, CI Stainless Steel: CF8 (304), CF8M (316), CF3 (304L), CF3M (316L), CD3MN (Duplex 2205), CE3MN (Super Duplex 2507), 1.4529 (926) Aluminum Bronze: C95400, C95800 Nickel Alloy: CW6MC (Hastelloy C-276 eq.)
Shaft	Carbon Steel: 45# Stainless Steel: SS410, SS416, SS420; SS304, SS316, SS304L, SS316L; 17-4PH (SS630); Duplex 2205, Super Duplex 2507, 1.4529 Nickel Alloy: Monel K500, Hastelloy C-276
Soft Seat	Elastomers: EPDM, HTEPDM, NBR (Nitrile Rubber / Buna-N), SIL (VMQ), FKM (VITON™), HYPALON™ Plastics: PTFE, PFA, UHMWPE

High-Density Casting: Zero Porosity Guaranteed

Our butterfly valve stainless bodies are produced from a high-density casting process. This ensures a solid, non-porous structure, completely free from sand holes and other casting defects. The result is superior strength and maximum durability.

Learn More About Our Process

THE CORE OF MODERN AUTOMATION

The AeroForm Series is engineered for seamless integration. We combine superior metallurgy with high-precision manufacturing to create actuator-ready butterfly valves that deliver unwavering reliability in any automated flow control system.

Superior Material Composition

We cast our CF8 stainless steel with Nickel content at 9%—the high end of the ASTM standard. This commitment to superior chemistry ensures enhanced corrosion resistance and a longer, more reliable service life for your automated processes.

Future-Proof Automation Ready

Every valve features a universally compatible ISO 5211 mounting pad, precision-machined by our CNC centers. This guarantees flawless, direct mounting of any standard actuator, simplifying both initial installation and future upgrades without costly modifications.

Guaranteed Casting Integrity

Our foundry expertise ensures every valve body is free from porosity, shrinkage, or unauthorized weld repairs. This perfect surface integrity provides maximum structural strength and pressure-holding capability, eliminating hidden risks in your system.

FLEXIBLE AUTOMATION ACROSS KEY INDUSTRIES

The AeroForm bare-stem valve is the trusted foundation for OEM manufacturers and system integrators who demand precision, reliability, and ease of assembly. See it in action.

Water Treatment Skids

As a core component in automated filtration and reverse osmosis skids, our valve’s compact design saves crucial space. The reliable shutoff of the Wafer Type Butterfly Valve ensures system integrity during backwash and cleaning cycles.

Chemical Dosing Systems

For precise blending and transfer of process chemicals, the superior corrosion resistance of our Stainless Steel Wafer Butterfly Valve is essential. Its ISO 5211 pad allows for direct coupling with modulating actuators for accurate automated control.

HVAC & Chiller Systems

Our valves are the go-to choice for automating chilled water and glycol loops. The bubble-tight seal prevents energy loss, making our HVAC Butterfly Valve a key part of efficient building management systems (BMS).

Food & Beverage Processing

Used in automated liquid transfer and CIP (Clean-in-Place) systems, our valves with food-grade seats ensure sanitary operation. A common 6 Wafer Butterfly Valve provides excellent flow control for various product lines from dairy to juice.

Aquaculture & Life Support Systems

In large-scale aquariums and fish farms, our valves automate water circulation and filtration. The reliable performance of a 4 Inch Wafer Butterfly Valve is critical for maintaining stable water quality and protecting valuable aquatic life.

Irrigation & Agricultural Automation

In automated, large-scale irrigation networks, a robust 10 Wafer Butterfly Valve controls primary water distribution mains. Its simple, reliable design is ideal for remote-controlled systems managing water resources efficiently.

Marine Ballast Control

The space-saving profile of our Wafer Valve is perfect for tight ship engine rooms. Its stainless steel construction offers excellent resistance to seawater, providing reliable service in automated ballast and bilge water systems.

Mining & Slurry Processing

In automated dewatering and mineral processing circuits, our valves handle mild abrasive slurries. The field-replaceable seat of this Wafer Type Valve makes maintenance quick and cost-effective, minimizing plant downtime.

Fire Protection Systems

While a lug style is common for end-of-line service, our valves serve as crucial isolation points within the system. The clear open/closed position of an automated Lug And Wafer Type Butterfly Valve is essential for system status monitoring.

BUILT FOR CHALLENGING AUTOMATION ENVIRONMENTS

High-Cycle Automation

Engineered for endurance, the reinforced stem and precision bore ensure low, consistent operating torque, extending actuator life. This makes it the perfect core component for automated systems requiring frequent, reliable operation of a wafer butterfly valve.

OEM & Modular Skids

The innovative, compact body and standardized ISO 5211 pad are designed for manufacturing efficiency. Our wafer style butterfly valve allows for faster, more predictable assembly on OEM equipment like pump skids and filtration units.

Systems Requiring Modulating Control

Paired with a positioning actuator, the concentric design and rigid one-piece stem provide excellent throttling characteristics. This enables precise flow management, crucial for balancing complex systems with a butterfly wafer type valve.

High-Vibration Environments

The secure, double-D stem drive and direct-mount actuator pad resist the effects of pipeline vibration from nearby pumps and motors. This robust connection ensures the stainless steel wafer type butterfly valve maintains its position and seal integrity.

Corrosive & Washdown Areas

With its high-nickel SS316 body and disc, the valve withstands corrosive media and aggressive external cleaning agents common in chemical and food plants. As a leading butterfly valve wafer type class 150 supplier, we guarantee material compliance.

Future-Proof Installations

The bare stem with a universal ISO 5211 top flange is designed for flexibility. This allows system owners to easily upgrade or change actuators from pneumatic to electric in the future, making it a wise investment from a trusted 3 wafer butterfly valve manufacturer.

ENGINEERING CASE STUDY: PROCESS STANDARDIZATION

How a Jordanian fertilizer producer mitigated operational risks and optimized maintenance by standardizing on JRVAL's AeroForm actuator-ready butterfly valves.

Client: A prominent, privately-owned fertilizer manufacturer based near Amman, Jordan, specializing in phosphate-based products.

Contact: Mr. Omar Hassan, Lead Process Engineer.

Project: A critical plant upgrade involving the construction of a new automated acid leaching and slurry transport line. The project required approximately 300 units of highly reliable SS316 (CF8M) wafer butterfly valves, ranging from DN100 to DN400.

THE ENGINEERING CHALLENGE: THE HIDDEN COST OF INCONSISTENCY

Mr. Hassan's primary challenge was not just sourcing valves, but overcoming the plant's legacy of "patchwork maintenance." Their existing lines were a mix of aging European valves, inconsistent local stock, and frequent failures, leading to high maintenance overhead and unpredictable downtime. For the new automated line, his goal was to establish a single, standardized valve platform to ensure consistent performance, simplify spare parts inventory, and guarantee seamless integration with their chosen control system.

THE SOLUTION: A PARTNERSHIP BUILT ON MANUFACTURING CONTROL

The evaluation process went beyond price lists and focused on verifiable manufacturing capabilities. JRVAL was selected based on our ability to demonstrate control over the entire production chain, from raw material to final inspection.

Material Integrity for a Corrosive Environment

Given the presence of trace acids and abrasive slurries, material integrity was non-negotiable. We provided:
- Full MTR traceability for each heat lot of ASTM A351 CF8M stainless steel used. The reports consistently showed Nickel content at ~10.3% and Molybdenum at ~2.2%, providing superior pitting corrosion resistance (PREN ≈ 24.5) crucial for this application.
- We were transparent about our quality process: our internal PMI verification is standard, while arrangements for client-commissioned third-party witnessing (e.g., TÜV, Bureau Veritas) are fully supported.

The "Bare Stem" Advantage: Standardizing the Core, Flexibilizing the Control

The AeroForm's bare stem design was the key to Mr. Hassan's standardization strategy. It allowed his team to:
- Procure a single, consistent, and high-quality valve body platform directly from the source manufacturer (JRVAL).
- Maintain their relationship with a local supplier for pneumatic actuators, which their maintenance team was already trained on. This de-risked the automation integration and optimized the overall system cost without being locked into a single valve-actuator package.

Guaranteed Interchangeability Through Precision Machining

For a standardization strategy to work, every valve must be a perfect replacement for another. Our vertical integration was the guarantee:
- All critical interfaces on the 300+ valves were machined in our 81,426 m² facility's 11 CNC centers.
- We provided dimensional QC reports confirming that the ISO 5211 mounting flange and stem drive dimensions for every valve size were held to a tight tolerance of ±0.1mm. This eliminated any risk of on-site rework during assembly and commissioning.

QUANTIFIABLE OUTCOMES & PROJECT KPIs

The switch to JRVAL delivered measurable improvements across cost, efficiency, and risk management.

Capital Expenditure (CAPEX) Optimization: The project achieved a 22% saving on the valve procurement budget compared to initial quotes from established European brands, allowing funds to be reallocated to other critical instrumentation.
Assembly & Commissioning Efficiency: The guaranteed dimensional consistency of the actuator interface led to a 40% reduction in valve and actuator assembly time on the skid fabrication floor.
Operational Risk Mitigation: By standardizing on a single, reliable valve platform, the plant projects a 30% reduction in unplanned maintenance hours for the new line and has simplified its spare parts inventory by 75%.
Long-Term Asset Management: The investment is secured by a 2-year, free-replacement warranty on spare parts. The use of industry-standard components ensures a low Total Cost of Ownership (TCO) and avoids long-term supplier dependency.

"For our plant upgrade, consistency was everything. JRVAL delivered that. Every valve, from the first to the last, had identical MTRs and dimensional reports. Their manufacturing control gave us the confidence to standardize our new automated line. The price was competitive, but the real value was in the predictable quality and integration."

Mr. Omar Hassan Lead Process Engineer, Jordanian Fertilizer Production

QUALITY & COMPLIANCE CERTIFIED

Our commitment to quality is verified by internationally recognized standards. We provide the documentation to prove it.

Quick Change Seat Stainless Steel Wafer Type Butterfly Valve - Bare Stem

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Butterfly Valve Dimensions

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Sample MTC (EN 10204 3.1) - Material Traceability

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TECHNICAL & SOURCING FAQ

What does "Future-Proof Automation Ready" mean for my project?

It means flexibility and long-term cost savings. Every valve has a top flange precision-machined to the ISO 5211 standard. This allows you to mount any standard pneumatic or electric actuator today, and easily upgrade or change it in the future without replacing the valve, protecting your investment.

How do you verify your "Superior Material Composition" claim?

Through verifiable data. For our ASTM A351 CF8 stainless steel, we target a Nickel content of 9%—the high end of the standard—for maximum corrosion resistance. Every valve is backed by a full Material Test Report (MTR). As a source manufacturer with our own foundry, we control quality from the molten metal itself.

What is your policy on casting defects and weld repairs?

Our policy is zero tolerance. We guarantee our castings are free from surface porosity, shrinkage defects, and unauthorized weld repairs. This commitment to casting integrity, born from 20 years of foundry expertise, ensures maximum structural strength and pressure-holding capability, eliminating hidden risks in your pipeline.

What is your warranty policy and how is post-warranty service handled?

We provide a comprehensive 2-year warranty covering free replacement of any defective parts. Post-warranty, our valves use standardized components, meaning you can easily source spare parts like seats and seals from us or other standard suppliers, ensuring low long-term maintenance costs and avoiding vendor lock-in.

How is bi-directional zero leakage achieved and tested?

We achieve bi-directional, bubble-tight shutoff (compliant with API 598 Rate A) through a combination of structural design and precision manufacturing. A spherically machined disc edge creates a uniform compression against our high-resilience seat, ensuring a reliable seal from both directions, even after extensive cycling.

Why should I source from JRVAL instead of a local trading company?

As the source factory, we offer unmatched transparency, quality control, and value. You get direct access to MTRs, QC reports, and our engineering team. By eliminating middlemen, we provide competitive pricing on a product whose reliability has been proven in the field for over 20 years, ensuring you receive genuine value and expertise.