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TRUST BUTTERFLY VALVE MANUFACTURER

TRUST BUTTERFLY VALVE MANUFACTURER

ISO 9001/CE CERTIFICATE
Factory Direct  Full Range DN32-DN2400
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45+ Countries Served

45+ Countries Served

Export Butterfly Valves Industrial Valves to  Worldwide
15+ Years Export Experience

15+ Years Export Experience

Professional Industrial Valve Export  Certificated Factory
OEM/ODM Customization

OEM/ODM Customization

Support customized services, low minimum order quantity
Reliable Quality Global Trust

Reliable Quality Global Trust

Strict Tested Valves Win Trust of Worldwide Buyers
ABOUT US

ABOUT US

Founded in 2011, Laux Valve is a professional export-oriented butterfly valve manufacturer integrating R&D, production, and global trade. ISO 9001 CE certified with 15+ years of experience, we serve clients across chemical, water treatment, and petrochemical industries. Quality drives our growth — we welcome global partners to visit our Tianjin factory.
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ABOUT US

Butterfly Valve
Wafer Type

Wafer Type
Catridge Seat/Replaceable Seat
Lug Butterfly Valve

Lug Type
Semi Lug/Full Lug
Double Flange Butterfly Valve

Double Flange Type
Concentric /Double Eccentric                            AWWA C504 Vulcanization Seat
Full PTFE Lined Butterfly Valve

PTFE Lined

Full /Half PTFE  Linning
U Type butterfly Valve

U-section

Tongue and Groove Seat Design
Groove End Butterfly Valve

Grooved End
UL/FM Groove Butterfly Valve

Delivery Quality&Reliability

At Laux Valve, every valve undergoes strict hydrostatic testing, seat leakage testing, and torque verification per API 598 and EN 12266-1. A unique serial number ensures full traceability. With efficient production planning, we deliver reliably on time — from standard wafer valves to custom PTFE lined solutions.

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Delivery Quality&Reliability
Request A Quoted for details

Request A Quoted for details

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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

ISO9011
ISO 9001：2015

ISO 9001：2015

Quality management system certified for manufacturing excellence.
CE Certificate
CE Certificate

CE Certificate

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

WRAS

Approved for use in UK drinking water supply systems.
NSF 61 Certificate
NSF 61 Certificate

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

Oil & Energy Infrastructure
Municipal & Industrial Water Systems

Municipal & Industrial Water Systems
Corrosion-resistant butterfly valves for marine environments.

Shipbuilding&Offshore Platforms
Food Manufacturing&Beverage Production

Food Manufacturing&Beverage Production
Precise flow regulation for aggressive and complex media.

Chemical Plants&Industrial Fluid Handling
HVAC & Building Services

HVAC & Building Services
Hydropower Stations&Utility Infrastructure

Hydropower Stations&Utility Infrastructure
OEM ODM Manufacturer

Project-Based Solutions

Butterfly Valve Blog & Industry Insights

Wafer vs U-Section Butterfly Valve Installation: 5 Field Differences
Jul 29,2026

Wafer vs U-Section Butterfly Valve Installation: 5 Field Differences

Wafer butterfly valves use long through-studs to sandwich between pipe flanges — faster to install but prone to centering errors and incapable of dead-end service. U-section butterfly valves bolt directly into threaded flange holes on a U-shaped body, providing easier alignment, dead-end capability, and better support for plastic flanges, at a slightly higher cost.
EPDM vs PTFE Lined Wafer Butterfly Valve Face-to-Face Dimensions
Jul 28,2026

EPDM vs PTFE Lined Wafer Butterfly Valve Face-to-Face Dimensions

Learn the key differences between EPDM/NBR rubber seated and PTFE lined wafer butterfly valve face-to-face dimensions. Avoid installation errors and leakage with proper dimension verification.
What is a PTFE Lined Butterfly Valve? Complete Guide to Design, Materials, Applications & Selection
Jul 24,2026

What is a PTFE Lined Butterfly Valve? Complete Guide to Design, Materials, Applications & Selection

A PTFE lined butterfly valve is a quarter-turn isolation and control valve where all wetted surfaces — the body interior, disc, and sealing surfaces — are protected by a continuous layer of PTFE (polytetrafluoroethylene) or a fluoropolymer lining. This lining provides near-universal chemical resistance, making these valves the definitive choice for highly corrosive chemical processing applications where metal valves would fail within weeks or days.
What is an AWWA C504 Butterfly Valve? Complete Guide to Standards, Design & Applications
Jul 20,2026

What is an AWWA C504 Butterfly Valve? Complete Guide to Standards, Design & Applications

Comprehensive guide to AWWA C504 butterfly valves covering standards, pressure classes, design features, seat types, materials, applications, and comparisons with API 609. Essential knowledge for waterworks professionals.
Butterfly Valve Cv and Kv Values
Jul 20,2026

Butterfly Valve Cv and Kv Values

When selecting a butterfly valve for any application, understanding Cv and Kv values is essential. These flow coefficients determine how much fluid a valve can pass at a given pressure drop, directly impacting system performance, pump sizing, and energy efficiency.
What is a Double Eccentric Butterfly Valve?
Jul 17,2026

What is a Double Eccentric Butterfly Valve?

A double eccentric butterfly valve (also known as a double offset butterfly valve ） is a high-performance flow control valve with dual offset design, delivering zero leakage, low torque & long service life for water treatment, power & chemical pipelines. Learn specs, standards, seat options & actuation solutions.
Vulcanization Process of Butterfly Valve Seats – Complete Manufacturing Guide
Jul 16,2026

Vulcanization Process of Butterfly Valve Seats – Complete Manufacturing Guide

The vulcanization process is the most critical manufacturing step in producing high-quality rubber-seated butterfly valves. Unlike mechanically retained (cartridge) seats that rely on compression fit, a vulcanized seat is chemically bonded to the valve body during a high-temperature, high-pressure molding process. The rubber lining becomes integral to the metal body — it cannot shift, extrude, or blow out under pressure.
What is a U-Type Butterfly Valve? Complete Design & Application Guide
Jul 10,2026

What is a U-Type Butterfly Valve? Complete Design & Application Guide

A U-type butterfly valve (also called a U-section butterfly valve or U-shaped butterfly valve) is a distinctive butterfly valve design characterized by its U-shaped body cross-section that accommodates a removable, full-face elastomer or polymer liner. The U-type body design creates a smooth, uninterrupted flow passage with no crevices, dead spaces, or exposed body metal. This hygienic design makes the U-type butterfly valve the standard choice for food and beverage processing etc

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首页FAQ

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.

Competitive Prices
Butterfly Valve
Wafer Butterfly Valve
Lug Butterfly Valve
Double Flange Butterfly Valve
PTFE Lined Butterfly Valve
U-section Butterfly Valve
Grooved End Butterfly Valve
AWWA C504 Rubber Seated Butterfly Valve
Double Eccentric Flange Butterfly Valve
Butterfly Valve
Wafer Butterfly Valve
Lug Butterfly Valve
Double Flange Butterfly Valve
PTFE Lined Butterfly Valve
U-section Butterfly Valve
Grooved End Butterfly Valve
AWWA C504 Rubber Seated Butterfly Valve
Double Eccentric Flange Butterfly Valve
Call us : +86 18920833829
Email:james@lauxvalve.com
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