Pneumatic remote flange butterfly valve

Body: Cast Iron, Ductile Iron, Aluminum Stainless Steel,CF8,CF8M,CF3M
Disc: Stainless Steel CF3M,CF3,CF8M, Nylon Coated Ductile Iron, Aluminum Bronze, Double Stainless Steel,2507,1.4529
Stem: 416 Stainless Steel,304 Stainless Steel,316 Stainless Steel
Seats: NBR,EPDM,PTFE,VITON, FKM* Polyurethane
Size: 2″ – 40″ (25mm – 1000mm)
Flange accommodation: EN 1092 PN 6/PN10/PN16
ASME Class 150
AS 4087 PN 10/ PN 16
JIS 5K/10K


    Presenting our Pneumatic Remote Flange Butterfly Valve – a testament to our industry-leading expertise in valve manufacturing, underpinned by our unwavering commitment to superior quality, precision engineering, and exceptional performance.

    Body materials to meet your specific needs – Made from cast iron, ductile iron, aluminum stainless steel, or CF8/CF8M/CF3M depending on what works best for your project.

    • Multiple disc options for maximum performance – Choose from stainless steel (CF3/CF3M/CF8M), nylon coated ductile iron, aluminum bronze, double stainless steel (2507/1.4529) for the ideal material for your intended use.
    • Durability and precision at every turn – Our valve stems are made from 416, 304 or 316 stainless steel to ensure long-lasting performance and efficient operation.
    • Seats to seal the deal – We offer a range of seat materials including NBR, EPDM, PTFE, VITON and FKM Polyurethane to guarantee a secure seal that meets your specific requirements.
    • Size options tailored to you – With sizes ranging from 2″ to 40″ (25mm to 1000mm), we have you covered no matter the scale of your project.
    • Flange accommodations for easy installation – Our valves can be easily accommodated with EN 1092 PN6/PN10/PN16 flanges, ASME Class 150 flanges, AS 4087 PN10/PN16 flanges, and JIS 5K/10K flanges for a seamless installation process.
    • Globally recognized quality certifications – With certificates from CCS, ABS, LR, NK, BV KR RS DNVGL classification societies, our valves meet the highest standards of quality control and are trusted around the world.
    Body Cast Iron, Ductile Iron, Aluminum Stainless Steel,CF8,CF8M,CF3M
    Disc Stainless Steel CF3M,CF3,CF8M, Nylon Coated Ductile Iron, Aluminum Bronze, Double Stainless
    End Flange,other:wafer,LUG
    Size 2”~40” DN50-DN2000
    Pressure 1.0~1.6Mpa
    End EN 1092 PN 6/PN10/PN16ASME Class 150 AS 4087 PN 10/ PN 16

    JIS 5K/10K

    Medium Gas, Water and Oil, etc
    Pneumatic Actuator Double acting,Single acting normally closed, acting,Single normally open
    Option solenoid valve, limit switch box , filter, E/P positioner, hand wheel


    What is a marine valve?

    A marine valve, an integral component in the maritime industry, is a device designed to control or manipulate the flow of various substances within a ship’s intricate systems. As a prominent entity in the valve manufacturing sector, we leverage our comprehensive understanding of industry-specific needs and globally recognized certifications to produce marine valves that epitomize quality, efficiency, and durability.

    Constructed from robust materials like Aluminum bronze, nickel bronze, tin bronze, alloy, stainless steel, and other high-strength alloys, these valves are engineered for exceptional performance in challenging marine environments. They effectively manage the flow of diverse substances such as air, water, steam, corrosive media, mud, oil, liquid metal, and even radioactive materials.

    Marine valves come in various types including gate valves, globe valves, check valves, butterfly valves, and more, each serving a specific purpose in different systems of a ship. From regulating fluid flow in ballast systems, compressed air networks, and HVAC systems, to managing operations in oil cargo pumping systems and ship-side duties, marine valves play a vital role in maintaining the ship’s operational integrity.

    Application of marine butterfly valves in marine shipbuilding systems

    In the demanding sphere of marine shipbuilding, the incorporation of our marine butterfly valves is a testament to their superior performance, versatility, and adaptability. As an essential component within crucial ship systems, these valves are emblematic of our unwavering commitment to stringent quality control, industry-specific proficiency, and adherence to globally recognized certifications.

    Our marine butterfly valves, renowned for their streamlined design and lightweight characteristics, are meticulously installed across strategic points within the ship’s structure. Their exceptional sealing capabilities make them the preferred choice for operations involving the storage, transfer, purification, heating, and chemical treatment of bunker fuel and heavy fuel oil.

    These valves, with their impressive ability to regulate or halt fluid flow, are indispensable to the efficient operation of ship ballast systems, compressed air networks, liquid and dry cargo handling, HVAC systems, seawater cooling mechanisms, and hydrocarbon-based systems. Beyond this, their applicability extends to diverse marine operations such as oil cargo pumping systems and ship-side duties, underpinning their multi-faceted utility.

    What material is used for seawater valves?

    Seawater valves, a fundamental component in maritime operations and desalination processes, require materials that can withstand the corrosive effects of seawater. The selection of material is critical to the valve’s performance, longevity, and reliability.

    Titanium is one such material favored for its superior corrosion resistance, strength, and durability. Its ability to resist seawater’s corrosive nature makes it a prime choice for seawater valve construction.

    Monel, a group of nickel alloys, is another material widely used in seawater valves. It offers excellent resistance to corrosion and high strength properties, making it suitable for various seawater applications.

    Nickel-aluminum bronze is also commonly used due to its excellent resistance to stress cracking corrosion, fatigue corrosion, cavitation corrosion, and scouring.

    Duplex Steel and Super-Duplex Steel are other popular choices, offering excellent resistance to corrosion and high strength. They are particularly effective in seawater process lines.

    Copper-based alloys like aluminum brass and 90-10 Cu-Ni have traditionally been used for seawater handling. However, more recently, larger systems have seen a shift towards other materials.

    Bronze, specifically B-62 Alloy C83600, is a commercially available material often used for seawater valves due to its superior corrosion resistance.