Why One of Colombia’s Largest Wastewater Plants Trusts Rubber Check Valves

Proco Products, ABC Ingeniería supply new, 84-inch duckbill check valve to protect Medellín treatment plant Boasting zero maintenance requirements and absolute protection against backflow, it is no wonder why one of Colombia’s largest wastewater treatment plants has trusted rubber duckbill check valves to protect the integrity of its operations for more than 20 years. An Continue reading

Safeguarding the Snake River with ProFlex™ Check Valves

Duckbill check valves from Proco Products drive Ontario, Oregon’s upgraded wastewater diffuser system As the Snake River meanders more than 1,000 miles across the U.S. Pacific Northwest, its westward surge that separates Oregon from Idaho passes a crucial milestone: The City of Ontario. Ontario, located in eastern Oregon’s Malheur County, operates a roughly 2-mgd wastewater Continue reading

Advantages of Check Valves in Water & Wastewater Systems

Authors: Mike Lassas, President, Proco Products Inc, and Cal Hayes, General Manager, WaterWorks Division When you design check valves into your piping system, you are making an investment in preventative maintenance. Check valves support savings from both production downtime and equipment damage, such as when a valve leaks back into a pump cavity or sumps Continue reading

Proco App Downloads

Pen-Seal Calculator The Proco Pen-Seal Calculator is designed to assist you in selecting the correct number of links and the correct size of link for pipe penetrations passing through walls and/or floors. What exactly is a Pen-Seal? Proco’s Pipe Penetration Seals have been designed to assist in achieving an efficient, low-cost mechanical seal when piping passes Continue reading

The Patented ProFlex™ 710TT & 770/780

  The ProFlex™ 710TT has been engineered and developed to be the most efficient and specifiable valve to ensure 100% mixing capability in potable water and sewage reservoir/storage tanks. Under U.S. Patent No. 11,396,951, the new patented torsional flow design of the valve provides a unique spinning motion which has never been offered before and Continue reading

How Expansion Joint Expertise Helps Improve Industrial Wastewater System Reliability

Nearly all industries have wastewater treatment plants. These facilities are designed to meet pretreatment requirements imposed by local or state governments. Pretreatment rules were enacted to prevent industrial discharges from affecting or passing through domestic wastewater treatment plants, so industry is seeing upgrades or new builds to comply. Wastewater piping systems are constructed from a Continue reading

Understanding & Proper Installation of Pipe Penetration Seals

Why a Gas and Watertight Seal is Important for Your Operation When designing a pumping system—or refurbishing, reconfiguring, or expanding one—users may be faced with sending a pipe through a wall, floor, tank, or vault. Sealing this pipe-through so that no substance—gas or liquid—leaks is of utmost concern. Not only could the failure to create Continue reading

Top Tips – How to Select the Right Expansion Joints

Expansion joints don’t always get the attention they deserve. They are critical components of piping systems for every industry. These flexible connectors allow for movement within the piping system. They can also minimize vibration and sound. Expansion joint failure can result in process downtime as well as safety or environmental concerns, so ensuring the right Continue reading

New Product Press Release

April 12th, 2022 New Product: The ProFlex™ Series 730CBD Coarse Bubble Diffusers Proco Products, Inc. – Stockton, CA   Proco Products, Inc. is excited to announce a new addition to our ProFlex™ Rubber Check Valve product line! Let us introduce you to the ProFlex™ Series 730CBD Coarse Bubble Diffusers – a sought after pollution control Continue reading

Expansion Joints for Fiberglass Reinforced Piping Systems

INTRODUCTION Numerous industries use FRP piping today, including oil and gas, power plants, chemical processing, pulp and paper, and water/wastewater. Fiberglass Reinforced Thermosetting Plastic pipe (FRP) is manufactured with a winding process that combines thermosetting epoxy resins reinforced with continuous glass fibers. The resins provide superior chemical resistance capabilities, while the fiber reinforcement gives the Continue reading

Expansion joints for CCR and ELG Requirements in Coal Fired Power Plants

Federal regulations surrounding coal combustion residuals (CCRs) and effluent limitation guidelines (ELGs) are placing new wastewater treatment requirements on coal-fired power plants. CCR regulations require that plant operators take action to reclaim existing ash ponds while the ELG rules mandate that flue gas desulfurization (FGD) wastewater and bottom ash transport streams are treated to higher Continue reading

Selecting Expansion Joints in CPI Applications

Understanding the factors affecting the selection of expansion joints helps maximize their longevity and minimize process downtime. The following guidelines can help with selecting expansion joints Although sometimes overlooked or treated like an afterthought in process design, expansion joints are critical elements in chemical process industries (CPI) operations for providing flexibility and stress relief to Continue reading

Ask The Expert – How To Protect Your Equipment and Piping Systems With Expansion Joints

Water and wastewater systems rely on complex pumping and pipe systems that can wreak havoc in the event of failure. Since the 1930’s, expansion joints have kept these systems protected from sudden movement related to vibration, pump thrust, earth movement, high or shifting temperatures, and improper anchoring. Originally, these were steel welded and button type Continue reading

Making the right choice with duckbill check valves

Low-cost components like check valves can make a huge difference to a major installation if the wrong specification or choices are made. Make sure you make the right decision on check valves for your application. Inspired by nature, the duckbill valve is a simple check or one-way valve that is formed from a flexible material Continue reading

Checking the Stormwater Backflow Challenge

Controlling stormwater is a growing challenge for utilities and municipal authorities as they look to mitigate the economic and health impacts of excess water. Choosing the right check valve is a key part of the stormwater solution. For water utilities and municipal authorities, stormwater management is a growing challenge. Changing weather patterns as a result Continue reading

How to optimize offshore pump performance and reliability

Asset reliability and performance are the two most important factors for the oil and gas sector but as processes change and equipment ages, optimizing uptime can become a greater challenge. Changes to pump performance may be required for a number of reasons. For instance, refineries looking to increase production will examine the assets involved and Continue reading

Pumps that thrive under pressure

The evolution of hydraulic transmission technology in the pressure pumping market. Fracking technology is driving transformation of North American energy production capabilities. Since 2005, most of the increase in domestic natural gas production resulted from ongoing development of horizontal drilling and hydraulic fracturing technology. Producers developed more efficient ways to extract gas and crude oil Continue reading

Benefits of Rubber Check Valves for Processing Harsh Fluids

Learn how this material choice can help municipalities prepare for extreme weather and other challenging conditions Natural disasters remind us of the unpredictability we all face on a daily basis—but on a grander scale. Weather events especially can cause large amounts of damage with little warning and in extremely short periods of time. But their Continue reading

Eliminate Leaks to Enhance Plant Safety, Profitability

  Fluid system leaks are common throughout the miles of tubing, valves and other components that span most industrial plants. Such leaks represent increased operating costs at best and potential safety issues at worst. Even the smallest leak can present an issue. A simple drip of fluid on a walkway could cause a slip or Continue reading

Seven Steps For a Successful Shutdown

At some point, most plants will have a scheduled outage. The time, money and effort devoted to planned shutdowns can be extreme. Plant teams must make every effort to properly prepare, execute and support the shutdown. Scheduled outages may be plantwide, occur through different sections or be cold or running. Job plans for each asset Continue reading

HVAC 101: Why Do HVAC Systems Need Expansion Joints?

Authors: Mike Lassas, Vice President – Administration and Rob Coffee, Vice President – Sales & Marketing, Proco Products, Inc. HVAC systems are crucial to regulating the indoor temperature  of residential, industrial and commercial structures. These sometimes highly complex HVAC systems not only control internal temperatures, but are also responsible for the quality of air that Continue reading

Proco Goes 3D with the Series 440 Product Line

Proco Products, Inc. is pleased to announce that our Series 440 Molded PTFE Convoluted expansion joint product line in now LIVE on the 3DX Media platform! 3DX Media is one of the biggest CAD part libraries in the world offering 100+ million free 2D and 3D CAD models. Through 3DX, our Series 400 standard products Continue reading

Correctly Choosing and Installing Expansion Joints

For any industrial application which includes piping or ducting, expansion joints are a critical component. With a huge variety of materials and designs to choose from, the correct selection and optimal installation of expansion joints is vital to ensure safe and reliable operations. Industrial and commercial installations which feature any kind of pumping, piping or Continue reading

What is a Check Valve and How it Works

Check valves are found in almost every industrial application acting as non-return or one-way valves. Generally simple devices, check valves perform a vital function preventing reverse flows, damage and ensuring efficient operations. Reverse flow can, for example, result in water hammer. This phenomenon can see repeated extreme pressure surges in connected pipework, valves and pumps that Continue reading

The Benefits of Using Rubber Expansion Joints [Webinar]

  On August 27th, Proco Products, Inc. hosted an informative webinar on the topic – “The Benefits of Using Rubber Expansion Joints”.  This LIVE webinar was presented by Proco North American Industrial Sales Managers, Eric Blazej & David Genna. The webinar covered what an expansion joint is and why you need them, criteria for selection, Continue reading

How to Eliminate Water Hammer When Pumping at High Velocities

The Importance of Check Valves Check valves are common throughout industries where fluids are pumped through piping systems. These are passive, one-way valves, ensuring the flow of fluids before closing to prevent backflow conditions. Check valves are available in a wide range of sizes, materials and styles including swing, double-door, ball, diaphragm and duckbill types. Continue reading

How to Prevent Standing Water With Unique New Check Valve

What is a Check Valve and Why is it Useful? Check valves are used in all stormwater and wastewater systems. They allow the forward flow of fluids before closing to prevent backflow conditions. These valves come in a variety of diameters and designs, including ball, swing, diaphragm and duckbill check valves. They are simply designed, Continue reading

Best Practices for Expansion Joints in the Process Industries

The right equipment and proper maintenance can extend the life of expansion joints, and add to a system’s total lifespan. Operating equipment in the process industries can be fraught with dangers. Specifically, rubber expansion joints used at high temperatures or improperly installed, and operating pumps away from the best efficiency point (BEP), can cause wear, Continue reading

Proco Releases New Smartphone App for iOS & Android

Do you currently use Pipe Penetration Seals (Pen-Seal) from Proco Products? We are very excited to announce the release of a very exciting tool to help aid in properly selecting and installing Pen-Seals into your piping system. The Proco Pen-Seal Calculator is designed to assist you in selecting the correct number of links and the correct Continue reading

Customer-First Philosophy: Proco is “Always Available” to Help Customers Succeed

With the largest inventory of rubber expansion joints in North America, Proco Products, Inc. is ready to serve their customers’ needs, offering “virtually immediate shipment”, 12 hours of live customer service staggered for different time zones, next-day priority call sequencing and 24-hour emergency service. With a near-exclusive focus on expansion joints and check valves, experienced Continue reading

Don’t Just Replace a Check Valve, Upgrade It!

Author: Cal Hayes, General Manager – WaterWorks Division, Proco Products, Inc. Just over 300 miles northwest of Santa Monica, CA, where the world’s first marine outfall was installed in 1910, check valves are being re-designed and engineered for outfalls all over the world. Outfalls – which are essentially discharge points of a waste stream into Continue reading

Not Your Grandpa’s Selection Process!

How the internet makes selecting expansion joints so much easier Author: Rob Coffee, Vice President, Sales & Marketing Talking to a customer looking for an expansion joint is always important – identifying parameters of what is needed, determining the size and overall length, the temperature of the applications, the application itself, the material moving through Continue reading

Case Study: Preparing a Beachside City for Future Storm Events with Proco ProFlex™ Check Valves

Project: Post Hurricane Sandy Storm Drainage Update Location: Long Branch, New Jersey Contractor: Precise Construction Proco Products Agent: Valve Tech Sales Distributor: Atlantic Waterworks   Long Branch is an oceanfront city of about 30,000 people in northern New Jersey. Much of the city borders the Atlantic Ocean to the east or the Shrewsbury River to Continue reading

Proco Check Valves Provide Better Diffusion Value on Sea Floor

Project: Marine WasteWater Outfall Diffusion Location: Istanbul , Turkey Owner: Water Authority of Istanbul Designer: Marine Consultants Group The Water Authority of Istanbul, which owns a biological wastewater treatment plant, serves a population of about 15 million people in the city of Istanbul, Turkey. To meet stricter environmental regulations, the Water Authority approached Marine Consultants Continue reading

Press Release – ProFlex™ Series 700 NSF/ANSI 61 Certification

Stockton, CA – Proco Products, Inc., a global leader in the design and supply of expansion joints and check valves would like to announce that they have achieved NSF/ANSI Standard 61 certification  on their ProFlex™ Check Valve product line. This certification verifies that these products can be safely used in drinking water systems, thus showing Continue reading

Expansion Joints for Potable Water Systems

Author: Rob Coffee, Vice-President, Sales & Marketing Water is vital to life. Not only do we need access to clean drinking water, we need the ability to transport it without contamination. For this reason, there are standards that were created for pumping systems to safeguard potable water as it comes into contact with different materials Continue reading

In Memoriam – Mervin M. Vater

  On February 4th, 2018, Proco Products mourned the passing of Merv Vater – one of our founding fathers, our mentor and friend.  Merv was born in Eugene, Oregon in 1942 and graduated from South Eugene High School in 1961. He prided himself on being a “Beaver” at Oregon State University where he was member Continue reading

Expansion Joints for Combined Cycle Plants

Author: Rob Coffee, Vice President, Sales & Marketing, Proco Products, Inc. Now that you know the basic concepts behind how a combined cycle power plant works, let’s talk about some of the expansion joints you might find in a combined cycle power plant. The majority of expansion joints in a combined cycle power plant will Continue reading

New Hire for Industrial Distribution Sales Manager

Proco is pleased to announce that we have a new member on our team. Eric Blazej has accepted the position as our new Industrial Distribution Sales Manager. Eric comes to us from The Metraflex Company, an expansion joint company in the HVAC industry. Eric has spent several years in the Metraflex customer service department working Continue reading

What is a Low Headloss In-Line Rubber Duckbill Check Valve?

Authors: Cal Hayes, General Manager – Waterworks Division and Mike Lassas, Vice President – Administration Low headloss in-line rubber check valves are a very specific type of check valve that many municipal design engineers are specifying across residential and commercial areas of the United States. So what is it and how is it used in Continue reading

Connecting Spherical-Type Expansion Joints to Butterfly and/or Wafer Valves

Connecting spherical-type expansion joints to butterfly valves and/or wafer check valves can lead to damage or premature failure of your expansion joints. Proco Products, Inc. recommends installing spherical-type expansion joints against flat face flanges when at all possible.  A butterfly valve disc may come in contact with the I.D. of the mating spherical expansion joint Continue reading

Tips for Inspecting Expansion Joints in Marine Applications

Author: Patrick Booth, Proco Products, Inc. Date of Publication: April 17,2017 Published Online: Wherever there are pumping systems, there are expansion joints. Expansion joints are used in many marine applications, including but not limited to ballast systems, circulating engine water and main propulsion engines. Marine and aquatic conditions are unique require equipment that can Continue reading

Case Study: Elastomeric Check Valves Streamline Water Flow in Both Directions at Popular Ski Area

Proco rubber check valves work automatically for pipelines to provide water for snow-making as well as divert excess storm water during spring to fall The Spirit Mountain Recreation Area in Duluth, Minnesota, provides 175 acres for skiing and snowboarding, with 22 runs, a terrain park and freestyle features. The recreation area was created in 1974 and Continue reading

Install Smarter to Extend Expansion Joint Life

Flexibility and plenty of room for movement ensure successful, reliable sealing. By Rob Coffee – FSA Member The criteria for expansion joint selection for fluid piping applications focuses on the expansion joint’s quality, durability and capabilities. To ensure that the rubber expansion joint’s installation provides optimal service life, operators and maintenance personnel must consider specific Continue reading

Press Release | IFAT Eurasia 2017 Move to Istanbul Successful

Proco was honored to have been one of the many exhibitors at this year’s IFAT Eurasia 2017. This event took place February 16th-18th, 2017 in Istanbul, Turkey. The trade fair for environmental technologies was an extremely successful show. Read more in this Press Release released by Messe München GmbH: Press Release: Munich, February 21, 2017 Successful move to Continue reading

FSA Releases Updated Expansion Joints – Piping Technical Handbook

The Fluid Sealing Association (FSA) has just released a complete update of their Expansion Joints – Piping Technical Handbook. Edition 8.0 is based on the latest experience in research, design, and application of piping expansion joints by engineers associated with the Expansion Joint – Piping Division member companies in the FSA.  This publication is available Continue reading

Plastic/FRP Piping & The Proco Series 261R

The Proco Series 261R Wide-Arch Expansion Joint is specifically designed for use with plastic or FRP piping systems. A replacement for the standard spool-type expansion joints, the Proco 261R has exceptionally low spring rates compared to its conventional counterparts. With its low forces to compress, extend or laterally offset, the Proco Series 261R can be Continue reading

Accounting for ASME B16.47 Series B Drilling

Piping System Engineers – Have you ever come across the need to supply rubber expansion joint/control units in a piping system where the flanges you want to attach have ASME B16.47 Series B drilling? If so, then you will know that the conventional control rod setup can be challenging as the attachment area for a Continue reading

5 Things You Need to Know When Shopping for Check Valves

  Authors: Mike Lassas – President/CEO and Cal Hayes  – General Manager, WaterWorks Division Check valves are typically installed into the discharge piping of a pumping system to ensure that the material being pumped does not flow backward. With so many check valves available to the market, it can be a challenge to find the right Continue reading

Insulating Over Rubber Expansion Joints: A Good or Bad Idea?

By Rob Coffee The practice of insulating over metallic expansion joints to minimize heat loss in a piping system may be common, but it is not a good idea to follow this same practice with rubber expansion joints.  Rubber expansion joints typically consists of synthetic (oil-based) elastomers ethylene propylene diene monomer (EPDM), neoprene, chlorobutyl, nitrile Continue reading

Expansion Joints Expanded My Horizon

Author: Rob Coffee, Vice President – Sales & Marketing I like to joke that I’ve been in the expansion joint business since I was 5 years old. That’s how old I was when I saw my first expansion joints. In 1968, my father went to work for a company that manufactured metal bellows, and so Continue reading

Check Yourself, Before You Wreck Yourself!

Authors: Mike Lassas, Vice President – Administration & Cal Hayes, General Manager, WaterWorks Division Calm down, Ice Cube fans, we’re talking about check valves today and the important role they play in a piping system. For those who might not realize the critical purpose they serve, let’s discuss how NOT using a check valve can Continue reading

Considerations When Shopping for Expansion Joints

Expansion joints can be found in most fluid pumping systems. They are commonly installed in the piping network near a pump or valve and provide value by isolating rotating equipment from thermal growth. When pipes grow, expansion joints compensate for thermal growth in the pipe system. This helps prevent stress from being transferred to a Continue reading

3 Tips for Being Customer-Focused

We’re seeing a shift in the pump industry where companies are trying to become more “in tune” with their customers. Being customer-focused means understanding end users’ pain points, developing products and services that meet customer needs, and then educating the industry about the solutions that are available to address these issues. If you are a Continue reading

New Product – ProFlex™ Style 790 Check Valve

Proco Products, Inc. would like to introduce the newest addition to the ProFlex™ line of Rubber Duckbill Check Valves  – the newly engineered, low headloss Style 790 check valve, the only assurance to ZERO backflow. Where other products have failed in design and performance, Proco has spent countless hours in the engineering and design stages to ensure Continue reading

Proco “ITR” Integral Tie Rod Design

Proco offers an “ITR”, Integral Tie Rod design on all series of Rubber Expansion Joints with an optional demounting feature. This demounting feature is intended for use on applications requiring retraction of the rubber expansion joint away from a pump (or valve) to facilitate scheduled maintenance of the adjacent equipment. The ITR design also eliminates Continue reading

NSF/ANSI 61 Certification

Proco Products, Inc. is very happy to announce that we have received NSF/ANSI 61 Certification on our EPDM Rubber Spool-type expansion joint product line! NSF/ANSI 61 standards were developed by the National Sanitation Foundation (NSF) and the American National Standards Institute (ANSI) and relates to water treatment which establishes stringent requirements for the control of Continue reading

New Product Development – Style 280

Proco Products, Inc. – a leader in rubber expansion joint technology, manufacture, supply and service – is currently developing an expansion joint that will attach to unfriendly flange arrangements such as butterfly valves, wafer check valves or HDPE stub end flanges. The new Style 280 single, double or triple arch expansion joint will be built Continue reading

Proco Products, Inc. Launches Improved Website

Proco Products, Inc. is very excited to officially announce the release of their newly improved website. You will immediately notice a cleaner design and simple navigation allowing a much more user-friendly experience. We have added enhanced content, improved search functionality and have optimized the site for mobile devices allowing our customers to have a much smoother online experience.  Continue reading

Rob S. Coffee Appointed to NAHAD Board of Directors

We here at Proco Products, Inc. are happy to announce that our VP of Sales & Marketing, Rob Coffee, has been appointed to the NAHAD (National Association of Hose & Accessories Distribution) Board of Directors. NAHAD is made up of member companies who distribute and manufacture all types of hose, tubing, couplings, fittings , clamps Continue reading