Laux Valve - Professional Butterfly Valve OEM Manufacturer

Complete Industrial Butterfly Valve Solutions，We manufacture a comprehensive range of butterfly valves for different industries and international standards

Our Butterfly Valve Products

Wafer Butterfly Valve

Lightweight, economical, and suitable for water supply, HVAC, and general industrial applications

Lug Butterfly Valve

Designed for dead-end service with convenient maintenance and pipeline isolation

AWWA C504 Btterfly Valve

Manufactured to AWWA C504 standards, providing dependable performance for municipal water supply, water treatment, and large-diameter pipeline applications.

PTFE Lined Butterfly Valve

Excellent corrosion resistance for chemical processing and aggressive media.

U-Section Butterfly Valve

Ideal for pipeline systems requiring secure alignment and reliable sealing performance.

Grooved End Butterfly Valve

Quick-install butterfly valve for grooved piping systems in HVAC, fire protection, and water supply.

About Laux Valve

Founded in 2011, Laux Valve is a professional butterfly valve manufacturer in China with over 15 years of manufacturing experience. We provide OEM and customized butterfly valve solutions for distributors, EPC contractors, and industrial projects worldwide.

Delivery Quality&Reliability

Our factory is equipped with precision machining centers, CNC equipment, automatic coating lines, assembly workshops, and comprehensive testing facilities. From raw material inspection to final pressure testing, every manufacturing step follows strict quality procedures to ensure consistent product performance and long-term reliability

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ISO 9001, CE — Our valves are manufactured and tested in compliance with international standards to ensure reliable performance worldwide.

Certifications & Quality Standards

ISO 9001：2015

Quality management system certified for manufacturing excellence.

CE Certificate

Product conforms to EU health, safety, and environmental standards.

WRAS

Approved for use in UK drinking water supply systems.

NSF 61 Certificate

Certified safe for drinking water contact in the US and Canada.

Trusted Butterfly Valves for Diverse Applications

From water treatment to energy infrastructure, delivering dependable performance

Oil & Energy Infrastructure

Municipal & Industrial Water Systems

Shipbuilding&Offshore Platforms

Food Manufacturing&Beverage Production

Chemical Plants&Industrial Fluid Handling

HVAC & Building Services

Hydropower Stations&Utility Infrastructure

Project-Based Solutions

Butterfly Valve Blog & Industry Insights

Jun 25,2026

AWWA C504 Butterfly Valve: Complete Guide to Standards, Pressure Classes & Selection

If you are involved in specifying valves for municipal water systems, wastewater treatment plants, or industrial waterworks, you have likely encountered the AWWA C504 standard. But what exactly does it cover, and how do you choose the right valve for your application? This comprehensive guide explains everything you need to know about AWWA C504 butterfly valves — from pressure classes and flange configurations to seat designs and face-to-face dimensions.

Jun 22,2026

How to Choose Butterfly Valve Seat Materials

Selecting the right seat material for a butterfly valve is one of the most critical decisions in valve specification. The seat material directly affects the valve's chemical resistance, temperature range, sealing performance, and service life. Choose wrong, and you risk premature failure, leakage, or costly downtime. This guide compares the most common butterfly valve seat materials — EPDM, NBR, PTFE, FKM, and Hypalon — and provides a practical framework for making the right choice for you

Jun 18,2026

Why Choose PTFE Lined Butterfly Valves for Chemical Processing

Discover why PTFE lined butterfly valves are essential for chemical processing. Complete guide covering PTFE vs FEP vs PFA linings, temperature ranges, and chemical resistance.

Jun 12,2026

China Valve Manufacturing Bases: Complete Guide to Major Production Regions & Industry Overview

China is the world's largest producer and exporter of industrial valves, accounting for over 30% of global valve production. With thousands of valve manufacturers distributed across the country, understanding the geographical landscape of China's valve industry is essential for international buyers seeking reliable suppliers.

Jun 11,2026

Butterfly Valve FAQs

Learn more about our butterfly valve products, manufacturing standards, customization options, and technical support.

What types of butterfly valves do you manufacture?

We manufacture a complete range of industrial butterfly valves, including wafer butterfly valves, lug butterfly valves, U-section butterfly valves, double flange butterfly valves (AWWA C504), grooved end butterfly valves, PTFE lined butterfly valves, and double eccentric butterfly valves.

Do you provide OEM and customized butterfly valves?

Yes. We offer OEM and ODM services, including customized dimensions, materials, coatings, branding, and packaging to meet different project requirements and international standards.

Which industries use your butterfly valves?

Our butterfly valves are widely used in water treatment, wastewater, chemical processing, petrochemical, HVAC, marine, mining, and municipal pipeline systems.

Which international standards do your butterfly valves comply with?

Our products are manufactured according to ISO, CE, API, ANSI, DIN, BS, JIS, and AWWA C504 standards, depending on customer and project requirements.

How do you ensure butterfly valve quality?

Every butterfly valve undergoes strict material inspection, pressure testing, leakage testing, and dimensional inspection before shipment to ensure reliable performance and long service life.

How can I get a quotation?

Simply send us your valve specifications, or project requirements. Our engineering and sales team will provide a quotation, technical support, and the most suitable butterfly valve solution within 12 hours.

Why choose Laux Valve as your butterfly valve manufacturer?

With over 15 years of manufacturing experience, ISO 9001 & CE certification, advanced production facilities, and global export expertise, Laux Valve provides reliable butterfly valve solutions supported by professional engineering and responsive customer service.

Butterfly Valve Manufacturer in China