Product Description
This lug type butterfly valve is engineered for applications requiring dependable isolation and flow control at pipeline ends. It targets industrial operators, engineers, and procurement professionals who need a robust solution for water supply, drainage, fire protection, and chemical process systems. As a product developed by a reputable butterfly valve manufacturer, it suits medium to lower pressure environments where secure single-side flange mounting facilitates easy maintenance and system modifications without disrupting continuity in pipelines. Its compact design meets the demands of engineers seeking space-efficient valve solutions within complex industrial networks.
Constructed from diverse materials including cast iron, ductile iron, cast steel, and stainless options, this valve demonstrates corrosion resistant butterfly valve characteristics suitable for aggressive media. Its disc components are available in alloys such as SS304, SS316, and AL-Bronze, paired with EPDM or PTFE seating to ensure tight sealing and durability. The valve complies with standards EN 593, API 609, and MSS SP67, ensuring compatibility in regulated industries. Operating pressures span PN10 to PN16 classifications, and multiple operation methods including pneumatic and electric actuators allow seamless integration into automated systems, delivering precise flow regulation with minimal torque requirements intrinsic to optimized industrial butterfly valve designs.
Lug type butterfly valves are widely implemented across industries such as chemical processing, municipal water systems, and fire safety networks, where reliable end-of-line isolation and flow control are critical. Its threaded lug design offers independent flange mounting, ideal for maintenance-heavy environments requiring rapid valve removal and re-installation. Furthermore, selecting a stainless steel butterfly valve manufactured under stringent quality controls enhances resistance to corrosion, extending valve lifecycle and reducing operational downtime. This solution provides measurable ROI through energy-efficient torque dynamics and compatibility with diverse media, meeting the stringent needs of medium-pressure pipelines while supporting sustainable operational workflows.
This valve integrates a unique lug design that enables secure, single-sided flange mounting critical for independent pipeline end blocking. The compact and lightweight construction minimizes spatial footprint without compromising structural integrity. Multiple body and disc material selections, including stainless steel options, offer corrosion resistant butterfly valve protection tailored to specialized environments. Modular operation interfaces allow transition between handle lever, gearbox, or automated electric and pneumatic controls, ensuring adaptability across varied engineering systems. This customized butterfly valve design facilitates straightforward installation and disassembly, significantly reducing system downtime during maintenance interventions.
The lug type butterfly valve delivers reduced operating torque levels due to its streamlined disc geometry, supporting enhanced energy efficiency in valve actuation systems. Its proven pressure resistance withstands rigorous industrial conditions, ensuring stable and reliable flow regulation. The valve’s sealing elements provide tight shutoff, reducing leakage risks in critical sanitary butterfly valve applications. Maintenance personnel gain from ease of access and lightweight handling characteristics, enabling rapid servicing that aligns with industrial uptime requirements. Operating flexibility coupled with corrosion resistant butterfly valve features enhances overall system resilience and product longevity in demanding process environments.
Product Features:
Wide selection of materials, applicable for various medium.
Small in size and light in weight, easy installation and maintenance.It can be mounted wherever needed.
Simple and compact construction,
Flow block is small.Excellent regulation performance.
Minimized operating torque, energy saving.
Product Details:
Size: 2"-36"
Material:
Body: Cast Iron/Ductile Iron/Cast Steel/Stainless Steel
Disc: DI+Ni/SS304/SS316/SS316L/Duplex stainless steel/AL-Bronze
Stem: SS416/SS304/SS431/17-4PH/Monel K500
Seat: EPDM/NBR/VITON/PTFE/Hypalon
Operation: Handlever / Gear box / Electric / Pneumatic
Standard:
Design Standard: EN 593, MSS SP67, API 609, BS5155
Inspection & Test: API 598, ISO 5208, EN 12266
Flange Diling: ISO 7005,BS EN1092, JIS B2220, ASME Class 125/Class150,AS2129 Table D/E,GB/T 9113
Face to Face: API609, EN558-20 Series, ISO5752, DIN3202 K1"
Top Flange: ISO 5211
Working Pressure: PN10,PN16,Class125,10K,16K
Use Scenarios
In municipal water treatment and distribution, maintaining system integrity during repairs is essential. The lug type butterfly valve functions as an isolation device at pipeline ends, allowing independent flange installation to block sections without impacting downstream operations. Its corrosion resistant butterfly valve properties ensure compatibility with treated water and mitigate degradation over time. The valve’s compact design eases integration into existing infrastructure where space constraints are common. Furthermore, automation options enable remote operation synchronized with SCADA systems, enhancing operational efficiency and compliance with public water safety standards.
Chemical processing plants require valves that endure aggressive media and elevated pressures while providing precise flow control. Lug type butterfly valves, featuring discs and bodies constructed from corrosion resistant alloys like SS316 and Duplex Stainless Steel, offer durability in such hazardous environments. Their standardized flange dimensions and compliance with API 609 and EN 593 facilitate seamless incorporation within complex piping networks. The valve’s design minimizes maintenance interruptions by enabling easy removal via threaded lugs, supporting continuous compliance with safety and environmental regulations. This industrial butterfly valve adaptation meets the exacting demands of chemical industry workflows where reliability and rapid valve servicing are foundational.
ABOUT US
Hebei Diefei Valve Co., Ltd., which was established in 1986,is a specialized factory gathering the medium and lower pressure valve developing, manufacturing and selling together. We established Crane Ningjin Valve Co., Ltd with Crane Valve USA in 1995.
Our main products are Butterfly valve, Check Valve, Gate Valve, Ball Valve, Valve Actuator and so on. These valves are available extensive to the pipelines of oil, metallurgy, chemical industry, medical, light textile, paper-making, water and electricity ,tap water company ,central air conditioning system etc.
We own perfect manufacturing process and testing way of casting, matching and assembling. We are authorized the Quality Management system certificate of ISO9001:2015, Environmental Management system certificate of ISO14001:2004,CE Certificate and the Approval of Manufacturer Certificate of DNV. Our company products are mainly sold to many large-scale agglomerations like CNPC, Sinoepc, CSPC, DAIKIN , Haier, Midea and etc. And exported to USA, Europe, Africa, Southeast Asia, Taiwan etc countries and area.
We are willing to serve our customers at home and abroad with our excellent products and services.
CERTIFICATE OF NSF61/372
PACKAING AND TRANSPORTATION
