We’re proud to announce the launch of our new Extended Bonnets – a literal extension of our current product line! These bonnets are compatible with the full range of MPI valve and water control gate products, for use when a valve or gate must be operated from a distance above, due to structural, buried, or submerged conditions. (read more)

White Paper: Engineering Selection Criteria for Water Control Gate Applications (read more)

See the new CAD library, a self-service resource anyone can use to generate a wide range of 2D and 3D CAD files – as well as submittal drawings – for MPI valves and water control gates. We offer a breadth of file types, including STEP, DXF, IGES, SAT, VRML, and many others. Several of our AWWA valves and water control gates are available now, with more on the way soon. (read more)

In the AWWA (American Water Works Association) valve industry, the selection of elastomers is dictated by the need for longevity, reliability, and specific environmental compatibility. There are three primary elastomers used in the waterworks industry (read more)

Welcome to MPI’s third glossary of industry terminology, this time featuring brief descriptions of a wide range of different valve types. Plus, we also included a list of important industry standards at the end. (read more)

Introducing our new AWWA C518 Double Disc Swing Check Valve. Designed and manufactured in compliance with the AWWA C518 standard to offer a cost-effective solution for clean water applications. (read more)

For Part 2 of our glossary of terminology used in the valve industry, we’re covering the vast array of terms related to the general topic of actuators and closure controls. We hope you find this helpful! (read more)

For anyone new to waterworks valves – or for those who simply want a quick refresher on the common terms used in our industry – we’ve put together this comprehensive list of terms and brief definitions. (read more)

The new Waterman F-55D Heavy-Duty Flap Gate is designed and constructed for long life in critical and high head applications, such as outfalls for roadway drainage, riverways, and wastewater treatment plants, as well as any critical backflow prevention operation where reliable, durable performance is required. (read more)

Plug valve orientation may seem to be a complicated question, especially when solids are involved, but it can be simplified by first eliminating what’s not important to the equation. Before we get into the orientation rules, let’s cover the basics of an Eccentric Plug Valve. (read more)

With a full line of American-made products for water and wastewater treatment projects – including pipe, valves, gates and fittings – MPI can help meet the requirements of both the Build America, Buy America Act (BABA) and the American Iron and Steel (AIS) Act. (read more)

We’re proud to announce the launch of our new state-of-the-art fabricated pipe manufacturing facility in Calera, Alabama. (read more)

This new white paper from MPI provides an overview of the rotating disc gate valve. Click to read the paper. (read more)

The new Valve Selection Guide from McWane Plant & Industrial (MPI) can help you find the right valve to meet the needs of your particular application. The guide includes a wide range of butterfly valves, check valves, eccentric plug valves, gate valves, mud valves and more. (read more)

Swing check valves are probably the most misunderstood valve in
the municipal water works industry. What causes a check valve to
slam? How can we prevent it? How does the design of a swing check
valve make it susceptible to slam? Why are there so many closure
devices available?
To answer those questions, read the white paper today. (read more)

Introducing MPI’s AWWA C508 Swing Check Valves. Enhanced strength and corrosion resistance for water and wastewater applications. (read more)

The Waterman S-6000 cast gates also offer maximum design flexibility, with a large selection of sizes and mounting options, including wall mounting, circular pipe flange mounting, the extended flangeback design, and more – to meet the needs of even the most unusual applications or retrofits. (read more)

Designed, built and tested to the AWWA C517 standard, MPI’s Eccentric Plug Valves are available in sizes 3”-48” for 100% port with a variety of end connections. (read more)

The MPI High Performance Butterfly Valve combines robust construction materials and reliable sealing capabilities, making this suitable for a diverse range of industrial applications. Our valve features single-piece, carbon steel or stainless steel body with single-piece, stainless steel stem, bubble tight shutoff and MPTFE/PTFE seating and sealing materials. (read more)

In addition to the benefits of long life, corrosion resistance, high structural strength, and tight joints, ductile iron pipe manufactured by McWane Ductile is also readily machinable, an important requirement in any pipe that must be drilled, tapped, or cut. (read more)

Suitable for a diverse range of high-temperature and high-pressure industrial applications, including chemical processing, oil and gas, and many others, this new Class 150 butterfly valve offers full-rated, bi-directional, dead-end service, and is available in sizes from 2” to 36” (read more)

The AWWA-C560-21 compliant S-6000 gates are made from cast ductile iron – which is stronger and lighter weight than typical gray iron – feature a proven design from Waterman, one of the industry’s oldest and most reliable manufacturers of cast iron sluice gates, with thousands of gates in operation worldwide. (read more)

MPIs NRS style ductile iron/stainless steel mud valves are designed primarily for use in settling tanks of water and wastewater treatment plants.  (read more)

The MPI High Performance Butterfly Valve combines robust construction materials and reliable sealing capabilities, making this suitable for a diverse range of industrial applications. Our valve features single-piece, carbon steel or stainless steel body with single-piece, stainless steel stem, bubble tight shutoff and MPTFE/PTFE seating and sealing materials. (read more)

Waterman Overflow or Breastwall-type Radial (Tainter) Gates can be engineered for unique applications. (read more)