DIN2633 Lug Type Butterfly Valve

installation, maintenance, and replacement processes without relying on the pipeline for structural support. Equipped with advanced sealing technology (e.g., EPDM, NBR seals), the valve ensures superior leak-tight performance, making it ideal for controlling the flow of water, gas, neutral fluids, and more. It can be integrated with manual, electric, or pneumatic actuators, catering to both manual operation and automated process control needs. Whether for on-off service or throttling applications, the DIN2633 Lug Type Butterfly Valve delivers consistent, long-lasting performance while adhering to the rigorous dimensional and functional criteria of the DIN2633 standard.

一.Product Introduction

The DIN2633 Lug Type Butterfly Valve is a high-performance industrial valve engineered to meet the stringent requirements of the DIN2633 standard. Designed with a distinctive lug-style configuration, this valve offers exceptional versatility and reliability for a wide range of piping systems.
Constructed from premium materials such as ductile iron, stainless steel, or other corrosion-resistant alloys, it is built to withstand harsh media and environmental conditions across industries like water treatment, HVAC, chemical processing, and municipal engineering. Its lug design enables direct bolting to pipelines, simplifying installation, maintenance, and replacement processes without relying on the pipeline for structural support.
Equipped with advanced sealing technology (e.g., EPDM, NBR seals), the valve ensures superior leak-tight performance, making it ideal for controlling the flow of water, gas, neutral fluids, and more. It can be integrated with manual, electric, or pneumatic actuators, catering to both manual operation and automated process control needs. Whether for on-off service or throttling applications, the DIN2633 Lug Type Butterfly Valve delivers consistent, long-lasting performance while adhering to the rigorous dimensional and functional criteria of the DIN2633 standard.

二.Product Features

  • Standard Compliance: Manufactured in strict accordance with the DIN2633 standard, ensuring uniform dimensional accuracy and performance consistency for seamless integration into systems that follow German industrial standards.
  • Lug-Style Design: Features a lug-type construction that allows for easy installation, maintenance, and versatile piping configurations, as the lugs enable direct bolting without relying on the pipeline for support.
  • Robust Material Options: Available in materials like ductile iron, stainless steel, etc., to suit different media and environmental conditions, providing excellent corrosion resistance and mechanical strength.
  • Reliable Sealing Performance: Equipped with high-quality sealing components (such as EPDM, NBR, etc.) to ensure tight shut-off, preventing media leakage and maintaining system efficiency.
  • Wide Application Scope: Suitable for various industries including water treatment, HVAC, chemical processing, and more, capable of handling different media like water, gas, and neutral fluids.
  • Easy Operation: Can be equipped with manual, electric, or pneumatic actuators for flexible operation, meeting both simple and automated control requirements in different scenarios.

三.Technical data

Standard DIN2633
Valve Type Lug Type Butterfly Valve
Size Range DN50 – DN300 (or as per custom requirements)
Pressure Rating PN10, PN16
Body Material Ductile Iron, Stainless Steel (304, 316, etc.), Other Alloys
Disc Material Ductile Iron, Stainless Steel, Bronze
Seal Material EPDM, NBR, Viton, PTFE
Temperature Range -20℃ to 120℃ (varies with seal material)
Media Compatibility Water, Gas, Neutral Fluids, etc.
Connection Type Lug Type (flange connection via lugs)
Actuation Options Manual (lever, gear), Electric, Pneumatic
Flow Coefficient (Cv) Varies with size and design
Fire Safety Optional fire-safe design available
Certifications DIN, ISO, CE (depending on manufacturer)

四.The main shape and connection size

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