DELCO Turbine Hard Seal Flange Manual Butterfly Valve
DELCO manual butterfly valve is a versatile and reliable flow control solution suitable for a wide range of industrial applications. Crafted with precision engineering and quality materials, this valve offers ease of operation and exceptional performance. With a simple yet effective design, it provides precise flow regulation and tight shut-off when needed. Whether used in water treatment plants, chemical processing facilities, or HVAC systems, our manual butterfly valve ensures efficient and smooth operation. Trust in its durability, efficiency, and ease of maintenance for your flow control needs.
Model: Manual Flange Type Valve
Size Range: 2″ to 40″
Pressure Range: 1.0 to 1.6MPa
Material : Cast Iron, Cast Steel, WCB, Stainless Steel
Features
Robust Construction: Constructed with durable materials to withstand high pressures and temperatures in industrial settings.
Hard-Sealed Design: Features a hard sealing surface that ensures tight shut-off and prevents leakage, enhancing operational efficiency.
Turbine Operation: Utilizes a turbine mechanism for smooth and precise flow control, allowing for accurate adjustment of flow rates.
Flanged Connection: Equipped with flanged ends for easy installation and secure connection to piping systems, ensuring stability and reliability.
Manual Operation: Designed for manual operation, offering operators direct control over flow regulation and shut-off when required.
Versatility: Suitable for a wide range of applications in industries such as oil and gas, petrochemical, power generation, and more, where reliable flow control is essential.
Low Maintenance: Requires minimal maintenance due to its robust design and hard-sealed construction, reducing downtime and operational costs.

Technical Parameters
Port Size: | 2″ to 40″ | Material: | Cast Iron, Cast Steel, WCB, Stainless Steel |
Pressure: | 1.0 to 1.6MPa | Disc Material: | Stainless steel |
Warranty: | 12 Moths | Function: | Manual |
Flange Standard: | GB, ANSI, JIS, DIN etc. | Suitable Media | Air, Inert Gas, Oil, Seawater, Water, and other media. |
Application
1.In fluid handling:
These valves are widely used in the chemical and food industries for flow regulation and shut-off, ensuring smooth operations. In oil and gas, they control flow rates in pipelines and lubrication systems, optimizing petroleum product handling.
2. In powder handling:
The valves control powder flow and ensure environmental isolation, vital in pharmaceutical and fertilizer production. In steam systems, they manage steam flow in power plants and boilers, enabling efficient thermal energy transfer.
3. In gas processing:
Manual flange butterfly valves regulate gas flow and shut off media, ensuring stable air and inert gas transport. They are crucial for precise flow control and system efficiency. In water treatment, they manage water flow and wastewater processes, enhancing operational effectiveness.
4. In HVAC systems :
Manual flange butterfly valves regulate chilled and hot water flow, ensuring optimal indoor climate. They are crucial in fire protection systems for managing firefighting water flow. In agricultural irrigation, these valves adjust water flow to improve efficiency, and in air conditioning systems, they control cooling and heating water flow.
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Services
At DELCO, we believe there always has a better valve solution for every single customer. We’re obsessively passionate about it, and our mission is to manufactures & supply a range of innovative control valves & pressure regulators backed by global service support, thereby guaranteeing zero defects within the shortest lead time.
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Company Honor
DELCO valve has CE, RoHS, FDA, Explosion-proof electrical apparatus.




For over 20 years, DELCO Valves has been committed to providing our customers with high quality valves.
DELCO has always been centered around one thing: 100% customer satisfaction. We strive for continuous improvement in all aspects of our daily operations. Our mission, coupled with a product line that is manufactured to the highest quality standards, continues to be what sets us apart from our competition. At Powell, all of our facilities are ISO 9001 “Global Quality” certified.
As a leading manufacturer of industrial valves, we offer a wide range of products. Our product lines include: gate valves, check valves, globe valves, check valves, double plate check valves and high performance butterfly valves. With the most complete multi-turn product line from a single-source manufacturer, our valves are manufactured to the highest quality standards using ultra-modern manufacturing techniques and astute material sourcing.
As a full-service valve company, we offer a wide range of products as well as retrofit and field services. Our valve expertise is unrivaled and we look forward to meeting your future valve needs!