Compact Midline Butterfly Valve for Easy Installation

Design Standard: GB/T12238

End Flange: ASME B16.5 / JIS B2220 / DIN2543 / GT/T9113

Face to Face: ASME B16.10 / JISB2002 / GT/T12221

Inspection and testing: API598

Key Features & Highlights

Engineered to resolve the most demanding fluid isolation challenges, this valve combines advanced metallurgy with innovative geometric design. Every component is optimized to deliver maximum flow efficiency while drastically reducing the time required for system integration and routine maintenance.

• Ultra-Compact Geometry: The minimized face-to-face dimension significantly reduces the overall weight of the piping system, alleviating structural stress on pipeline supports and facilitating easier handling in confined spaces.

• Omnidirectional Mounting: Unrestricted by media flow direction or spatial orientation, this valve can be installed vertically, horizontally, or at any intermediate angle, offering unparalleled layout flexibility for complex piping networks.

• Replaceable Resilient Seating: The high-density elastomer ring provides a massive contact area with the polished disc, guaranteeing bubble-tight shutoff while allowing for quick, cost-effective replacement to extend the asset's lifecycle.

• Low-Torque Operation: The precision-machined 416 stainless steel stem and friction-reducing seat design ensure smooth, effortless actuation, which lowers the power requirements for automated actuators and reduces operator fatigue during manual overrides.

Comprehensive Performance Dimensions

To fully understand the value this fluid control component brings to your operations, we have categorized its engineering advantages across six critical dimensions. Each aspect is meticulously calibrated to elevate your system's reliability and operational output.

Design & Installation

Time is a critical resource during facility construction and maintenance. This valve's architecture is specifically tailored to accelerate deployment and reduce labor overhead.

• Utilizes a concentric midline structure that boasts a remarkably small footprint and lightweight profile, freeing up valuable real estate within crowded mechanical rooms.

• Supports omnidirectional installation, completely independent of fluid flow direction or spatial constraints, allowing piping crews to work without restrictive orientation guidelines.

• Features a 360-degree rotatable operating lever, ensuring that manual adjustments can be made comfortably from any accessible angle, dramatically improving on-site maintenance efficiency.

Sealing Performance

Absolute fluid containment is non-negotiable in high-stakes industrial environments. Our sealing technology is engineered to prevent costly product loss and environmental contamination.

• Equipped with highly elastic, field-replaceable seating rings available in EPDM, PTFE, or NBR to match the exact chemical profile of your flowing media.

• The expansive contact surface between the stainless steel disc and the resilient seat guarantees exceptional bi-directional sealing, achieving zero-leakage performance under fluctuating system pressures.

• Engineered for remarkably low frictional resistance, which fundamentally minimizes mechanical abrasion during the opening and closing cycles, thereby multiplying the valve's operational lifespan.

Material & Durability

The physical integrity of a valve dictates its survival in harsh industrial atmospheres. We select only premium alloys to ensure unwavering structural stability.

• Valve bodies and internal discs are precision-cast from high-grade stainless steel (CF8/CF8M/CF3/CF3M) or robust carbon steel (WCB), providing formidable defense against oxidative degradation.

• Exhibits profound resistance to abrasive wear, maintaining its smooth internal geometries even when subjected to high-velocity particulate flows.

• Safely and reliably processes a vast spectrum of complex fluids, ranging from standard water and oil to highly volatile gases and aggressive corrosive media.

Actuation & Control

Modern industrial networks demand responsive and adaptable control mechanisms. This unit is designed to integrate seamlessly into both manual and automated command architectures.

• Offers a comprehensive suite of driving methods, including manual levers, gear operators, pneumatic cylinders, and electric actuators, catering to diverse automation blueprints.

• Delivers exceptionally rapid opening and closing speeds, allowing for instantaneous fluid isolation during emergency shutdowns or precise flow modulation during batch processing.

• The inherently low operating torque reduces the mechanical strain on automated drivers, lowering energy consumption and preventing premature actuator burnout.

Standards & Compliance

Global compatibility and certified safety are the cornerstones of our manufacturing philosophy. You can deploy these units internationally with absolute confidence.

• Strictly adheres to the rigorous GB/T12238 design standard, ensuring structural uniformity and predictable performance metrics across all production batches.

• Complies with a broad spectrum of international flange connection protocols, including ASME B16.5, DIN2543, and JIS B2220, guaranteeing flawless integration into existing global pipelines.

• Subjected to uncompromising API598 inspection and pressure testing protocols before leaving the facility, verifying its capability to withstand extreme operational stresses.

Application Versatility

A truly superior fluid control device must adapt to the unique demands of varied industrial sectors. This valve serves as a universal solution across multiple disciplines.

• Acts as a critical regulatory component in chemical processing and petrochemical refining, safely managing the transit of hazardous and volatile substances.

• Plays an indispensable role in municipal water treatment and sewage management systems, precisely regulating inlet/outlet flows to maintain optimal water quality and basin levels.

• Highly favored in commercial construction and HVAC networks, where it efficiently balances heating and cooling water distribution to maximize thermal control and energy conservation.

Why Choose Us

Selecting the right manufacturing partner is just as critical as selecting the right hardware. As a dedicated supplier of premium fluid control technologies, we provide more than just components; we deliver comprehensive operational security and supply chain reliability.

• Uncompromising Quality Control: Every single unit undergoes rigorous metallurgical analysis and hydrostatic pressure testing to ensure it meets our exacting zero-defect standards before shipment.

• Scalable Production Capacity: Our advanced manufacturing facilities are equipped to handle high-volume demands swiftly, ensuring your large-scale facility upgrades remain strictly on schedule.

• Deep Technical Expertise: Our engineering support team possesses decades of hands-on experience in pipeline dynamics, ready to assist you in selecting the precise material and actuation configurations for your specific media.

• Global Logistics Proficiency: We utilize streamlined, secure packaging and partner with top-tier freight networks to guarantee that your critical infrastructure components arrive in pristine condition, regardless of your geographic location.

• Mid-line butterfly valves are widely used in chemical industry, metallurgy, petroleum, electric power, water treatment and other industrial fields. They are used to regulate the flow and pressure of fluids and control fluid transportation and distribution in industrial production‌‌.

• The mid-line butterfly valve plays an important role in the sewage treatment system. It is used to regulate the flow of water inlet and outlet, control water quality and water level, and ensure the normal operation of the sewage treatment system‌‌.

• Mid-line butterfly valves are widely used in water supply and drainage systems in the construction field to control fluid flow inside and outside the building to achieve safe and efficient operation of water supply and drainage‌.

• The mid-line butterfly valve can be used to adjust the flow of cooling water and heating water in the HVAC system to achieve temperature control and energy saving‌.‌‌

Review these common technical inquiries to gain a deeper understanding of how the Compact Midline Butterfly Valve integrates into complex industrial systems and enhances operational efficiency.

Q1: Can this valve safely handle highly corrosive chemical media?

Yes, absolutely. The valve's wetted parts, specifically the disc and body, can be cast from premium stainless steel grades like CF8M or CF3M. When paired with a PTFE seat, it provides exceptional resistance to a wide array of aggressive acids, alkalis, and corrosive chemical compounds.

Q2: Does the installation orientation affect the bi-directional sealing capability?

No, it does not. The concentric midline design and the high-compression resilient seating ring ensure that the bi-directional seal remains fully effective regardless of whether the valve is installed vertically, horizontally, or diagonally. It is completely unaffected by spatial positioning or the primary direction of fluid flow.

Q3: What makes the maintenance of this specific butterfly valve cost-effective?

The primary cost-saving feature is the field-replaceable resilient seat. Instead of replacing the entire valve body when wear eventually occurs, maintenance teams can simply swap out the EPDM, NBR, or PTFE sealing ring. Additionally, the low-friction operation significantly reduces wear on the 416 stainless steel stem and automated actuators.

Q4: Is this valve suitable for automated HVAC and water distribution networks?

It is highly recommended for these applications. The standardized top flange allows for the seamless mounting of electric or pneumatic actuators. Its rapid response time and precise flow modulation make it an ideal choice for balancing cooling and heating water in large-scale commercial HVAC systems, leading to better energy conservation.

Q5: How does the compact design benefit large-scale pipeline constructions?

The minimized face-to-face dimension drastically reduces the physical space required between pipe flanges. This not only solves clearance issues in cramped mechanical rooms but also significantly lowers the overall weight of the piping network, reducing the need for heavy-duty structural supports and lowering installation labor costs.