Fonderie Mécanique Lensoise (FML), a specialist in the design and manufacture of components for drinking water supply, has been supporting key players in hydraulic network management for over 100 years. Thanks to our recognised expertise and our commitment to quality, we are the preferred partner of public works companies, water unions and major operators.

Comprehensive Expertise in
Drinking Water Supply
Drinking water supply is a crucial step in ensuring a healthy, safe, and sustainable supply for communities and individuals. At FML, we are involved in every step of the process:
Manufacture of taps and fittings
Our bronze and brass products (raw and machined) meet the most stringent standards for use in contact with drinking water.
Network equipment
Solutions tailored to urban, inter-municipal, and rural network installations.
Complementary products
Fittings, tools, electrowelding parts, and equipment to optimise network performance.
Fonderie Mécanique Lensoise
Our Areas of Application
Urban community/Water union
Working with water unions, we provide equipment that meets the specific needs of complex networks, taking into account local regulations and health requirements.
Network managers and operators
Our products are integrated into the management systems of major drinking water operators, such as Veolia, and local authorities, such as Noréade, to ensure efficient maintenance and cost-effective infrastructure management.
Public works
companies
Our components made of brass, bronze and electroweldable materials are popular with companies working on sites installing and renovating drinking water networks.
Specialised
Resellers
Partnering with distributors and resellers, we offer a complete catalogue of parts and accessories to meet the demands of industry professionals.
Products
Compliant and Innovative
FML is committed to complying with all applicable drinking water supply standards:
Health Conformity Certificate (ACS)
All our products in direct contact with drinking water are certified.
4MS standard
Use of materials that limit lead and other impurities to ensure high-quality water.
Electrowelding products
Innovative fittings enable fast and secure network installation.
Our solutions are designed to meet the challenges associated with
Reliability
Robust materials that withstand extreme conditions.
Durability
Reduced maintenance costs thanks to high-quality components.
Flexibility
Adapts to all modern network configurations.
Why
Choose FML?
A Century of
Experience
We have been supporting drinking water supply stakeholders with products made in France since 1907.
Strategic
Partnerships
In collaboration with leading companies such as BAYARD®, Honeywell, Persohn/Paragel, and Nupi, we enhance the efficiency of drinking water networks.
Proactive
Client Service
Our technical and sales teams are available to support your projects, from design to implementation.
Boost
Your Networks with FML
Whether you are an urban community, a local authority association, a public works company, a water company, or a specialised reseller, we have the solutions to meet your drinking water supply needs.
Contact us today to benefit from recognised expertise and products that meet your expectations. Together, let’s make water management a sustainable, responsible and efficient mission.