When Off-the-Shelf Just Won't Cut It: How Warren Controls Solves the Toughest Valve Challenges in Industry

Warren Controls

Not every industrial application fits neatly into a catalog. Processes run too hot, too cold, too corrosive, or too variable for a standard valve to handle reliably. That's precisely the problem Warren Controls of Bethlehem, Pennsylvania has spent decades solving — and it's what separates them from the vast majority of valve manufacturers competing in today's market.

Warren Controls has built its reputation on a straightforward but powerful premise: when a customer comes with a difficult application challenge, the answer should be engineering, not compromise. Their custom engineered control valve solutions are designed from the ground up to meet specific process conditions, operational demands, and budget realities that generic products simply cannot address. The company's design experience and flexible production capabilities have produced equipment that satisfies requirements across an impressive range of industries — chemical processing, food and beverage, general industrial service, marine, power generation, pulp and paper, petroleum refining, pharmaceutical manufacturing, and district energy systems.

That breadth of market coverage is not accidental. It reflects decades of problem-solving across demanding and varied environments, each one teaching Warren Controls' engineers something new about what precision control really requires. Whether the challenge is a highly corrosive media in a pharmaceutical application, steam management in a district energy network, or specialized valve configurations for naval and marine programs, the company has the institutional knowledge to engineer a solution that performs reliably in the field.

What Custom Engineered Really Means

It's worth asking what "custom engineered" actually means in practice, because the term gets used loosely in the valve industry. At Warren Controls, it means starting with a customer's application data — pressure, temperature, flow rate, fluid characteristics, space constraints, actuation requirements — and designing a valve assembly that is purpose-built for those conditions. It means going beyond selecting from a standard product matrix and instead applying genuine engineering judgment to arrive at something that works.

The company operates from a modern 60,000 square foot industrial complex in Bethlehem, PA, which gives them the production flexibility to move from concept to finished product without the delays and compromises that come with outsourcing fabrication. That in-house capability is a meaningful differentiator. Many competitors design on paper and manufacture elsewhere, which creates gaps in quality control and extended lead times. Warren Controls' integrated approach means their engineers stay close to the product throughout the process.

Their track record with OEM customers and end users alike reflects this commitment. They have also earned a strong reputation supporting U.S. Military programs, supplying valves built to MIL specifications for naval applications — a market where quality, traceability, and engineering precision are non-negotiable requirements. Meeting military standards consistently takes a level of manufacturing discipline that carries over into everything else the company produces.

Why This Matters Across So Many Industries

The industrial segments Warren Controls serves share a common thread: they all operate processes where a valve failure is not just an inconvenience but a potentially costly or dangerous event. In chemical processing, a valve that can't handle aggressive media creates safety risks and unplanned downtime. In pharmaceutical manufacturing, contamination control and cleanability are critical concerns that standard designs may not adequately address. In power generation and district energy, precise control of steam and hot water systems directly affects efficiency and system reliability. In pulp and paper, the combination of abrasive slurries and demanding cycle rates can quickly destroy a valve not designed for the application.

Warren Controls approaches each of these environments with a combination of product line depth and custom engineering capability. Their offerings span industrial process control valves, building automation control valves, mechanical level controls for deaerators and boilers, naval and marine valves, regulators, and a range of specialty products and accessories. That portfolio, combined with the willingness to modify or create entirely new configurations, gives end users and engineers a single source for solutions that are difficult or impossible to find elsewhere.

Engineering Support That Goes Beyond the Catalog

One of the things customers consistently point to is the quality of technical support Warren Controls provides before, during, and after a sale. The company offers online industrial control valve sizing worksheets, valve specification documentation, technical bulletins, installation and operation manuals, detailed drawings, 3D models, and ValveWorks — their proprietary valve sizing and selection program. For engineers working through a complex application, having that depth of resources available from the manufacturer is a genuine advantage.

It's the kind of support infrastructure you'd expect from a company that has been refining its approach since its founding in the early 1950s in Warren County, New Jersey — a history that spans multiple generations of industrial evolution and an enormous variety of real-world applications.

Serving New England Through Piping Specialties, Inc.

For engineers, contractors, and facility managers throughout New England, access to the full Warren Controls product line is available through Piping Specialties, Inc., headquartered in Portland, Maine, with an additional location in Danvers, Massachusetts. Piping Specialties distributes the entire Warren Controls product lineup and provides comprehensive service support across all six New England states. Their regional expertise and application knowledge make them the go-to resource for anyone in the Northeast looking to specify, source, or service Warren Controls valves for any industrial or commercial application.

Top 3 Reasons to Do Business with Piping Specialties, Inc. / PSI Controls in New England

Piping Specialties, Inc. / PSI Controls

When a valve fails at 2 PM on a Friday — on a power plant that can't wait until Monday — you find out fast who your real partners are. For industrial operations across New England, that's the kind of moment that separates a vendor from a team you can actually count on.

That's exactly why so many engineers and procurement managers keep coming back to Piping Specialties, Inc. / PSI Controls. If you're weighing your options and wondering why choose Piping Specialties, Inc. / PSI Controls over the next rep/distributor on your list, here are the three reasons that keep coming up — from water treatment and pulp & paper, to food and beverage, chemical processing, and beyond.


Reason #1: You Get Real Engineering Expertise, Not Just a Parts Catalog

A lot of distributors can hand you a spec sheet. PSI can tell you why that valve is the wrong choice for your application — and what to use instead.

Piping Specialties has been at this since 1975. Their team includes factory-trained application engineers, shop personnel, and field service technicians who have worked across power generation, life sciences, pulp and paper, wastewater treatment, and more. They also have in-house design and CAD capabilities, which means they can help engineer a solution, not just fulfill a purchase order.

That depth matters. Industrial process environments are too complex and too unforgiving for guesswork. PSI's engineers understand the difference between what a customer asks for and what a customer actually needs — and they're willing to have that conversation before anything ships.


Reason #2: Extensive Local Inventory Means You're Not Waiting on a Freight Carrier from the Midwest

Downtime is expensive. If your production line is down or your treatment plant is out of spec, "it'll ship in three to five business days" is not an answer.

PSI operates out of offices in Portland, Maine and Danvers, Massachusetts — strategically positioned to serve all of New England without the delays that come with sourcing from a national warehouse 1,000 miles away. Their inventory depth means most orders ship the same day, without expediting fees or emergency air freight charges.

They've put that promise into action in real situations. When a New England power plant needed an emergency valve on a Friday afternoon, PSI had it shipped the same day — and the valve was received and installed by Saturday morning. That's not luck. That's what local inventory and a motivated team actually look like.


Reason #3: One Partner Handles the Whole Project — From Spec to Startup

Coordinating between a valve distributor, an instrumentation supplier, and a separate field service contractor is time-consuming and leaves too much room for things to fall through the cracks. PSI is structured specifically so you don't have to do that.

The company operates as three integrated divisions. Piping Specialties handles valves and mechanical specialties. PSI Controls focuses on automated valves, process instrumentation, and control systems. PSI Services covers field work — valve automation, repair, calibration, and turnkey project support. That means one relationship covers design consultation, system assembly, delivery, and on-site service.

For industries with tight regulatory requirements — pharmaceutical, food and beverage, chemical processing — that kind of integrated accountability isn't a nice-to-have. It's how you avoid the finger-pointing that happens when something goes wrong and every vendor says it's someone else's problem.


The Bottom Line

The reasons to work with Piping Specialties, Inc. / PSI Controls aren't complicated: deep technical knowledge, product availability when you need it, and a structure built to support you from initial spec through commissioning and beyond. They've been doing this for nearly 50 years because they treat every customer relationship like a long-term partnership — not a transaction.

If you're ready to talk through your next project or just want a second opinion on a tricky application, reach out to the PSI team at psi-team.com or call 800-223-1468. Their engineers are used to getting the call when things get complicated.

The Level Measurement Company That Industrial Engineers Trust When It Really Matters

AMETEK Drexelbrook

There's a question that practically every industrial process has to answer, dozens of times a day, across thousands of facilities around the world: how much material is in that vessel, and where exactly is the level? It sounds simple enough, but in reality, level measurement is one of the most technically demanding challenges in industrial instrumentation. Fluids foam. Solids bridge and coat. Temperatures spike and pressures fluctuate. Hazardous materials demand failsafe reliability. For engineers who live with these challenges every day, one name has stood out for decades as the company that genuinely gets it right — AMETEK Drexelbrook.
Founded in 1963 and headquartered in Horsham, Pennsylvania, Drexelbrook built its reputation on a single, transformative idea: that there was a better way to measure level than the technologies available at the time. The company pioneered RF admittance level instrumentation, coining the very term "RF admittance" to describe an approach that went beyond simple capacitance measurement. By developing its proprietary Cote-Shield technology, Drexelbrook solved one of the industry's most persistent headaches — the problem of conductive material coating the sensor and causing false readings. That breakthrough alone set the company apart, and it's been setting the standard ever since.
Today, AMETEK Drexelbrook operates as part of AMETEK Level Measurement Solutions, a division of AMETEK, Inc., a global industrial technology leader with approximately $7.5 billion in annual sales. Being part of AMETEK gives Drexelbrook the engineering resources and global reach of a major corporation while maintaining the deep application expertise and product focus that made it great in the first place.
What Does Drexelbrook Actually Make?
Drexelbrook's product portfolio is genuinely comprehensive, which matters because no single measurement technology works well in every situation. The company offers point level switches and continuous level transmitters across multiple technology platforms — RF admittance, ultrasonic, open-air radar, magnetostrictive, and guided wave radar. That breadth means a Drexelbrook engineer can honestly recommend the best technology for your specific application rather than shoehorning your problem into the one solution they happen to sell.
The RF admittance product line remains the crown jewel and is widely considered the industry's gold standard for difficult applications involving viscous fluids, slurries, foamy materials, and coating-prone substances. For non-contact applications, the USonic ultrasonic transmitters feature patented SmartGain technology that automatically ignores false echoes from tank obstructions and agitator blades — no manual tweaking required. The open-air radar transmitters use FMCW technology for highly accurate continuous measurement even in vapor-heavy or turbulent environments.
One product that deserves special mention is the Universal Water Cut Meter, which measures the water content of crude oil flowing through a pipeline. It's a niche application, but a critically important one for the oil and gas industry, where accurate water cut measurement directly impacts production accounting and revenue calculations. Drexelbrook's decades of capacitive measurement expertise make it one of the few companies capable of doing this reliably.
More recently, Drexelbrook has moved into Industrial IoT with the BrightTEK wireless tank monitoring system, which includes satellite uplink capability for remote or off-grid locations. That's a meaningful evolution for a company with roots in analog instrumentation.
Who Trusts Drexelbrook?
The customer list reads like a map of heavy industry. Oil refineries, petrochemical plants, pharmaceutical manufacturers, food and beverage processors, pulp and paper mills, water and wastewater treatment facilities, power generation plants, mining operations, cement manufacturers, steel mills — if there's a vessel with a level that needs measuring, Drexelbrook has probably solved that problem for someone in that industry already.
In safety-critical applications, Drexelbrook's commitment to reliability really shines. Many of their instruments carry SIL 2 certification, with SIL 3 capability in redundant configurations, as well as FM, ATEX, and IECEx approvals for hazardous-area use. Features like AutoVerify and Manual Certify allow operators to confirm that their level switches will actually respond when called upon — without interrupting the process or pulling the sensor. For high-level alarms on storage tanks or overfill protection systems, that kind of confidence isn't a luxury; it's a legal and ethical requirement.
A Reputation Built on the Hard Stuff
What's most telling about AMETEK Drexelbrook's reputation isn't what they say about themselves — it's the applications engineers trust them with. When process conditions are harsh, when the material is problematic, when the consequences of a bad reading are serious, that's when experienced instrumentation professionals reach for Drexelbrook. More than 60 years of application data, a genuine commitment to recommending the right technology for each job, and products built to perform in conditions that would defeat lesser instruments — that combination is why Drexelbrook remains the reference standard in industrial level measurement.
If you're evaluating level measurement solutions for a demanding application, drexelbrook.com is the right place to start.
Serving New England: Piping Specialties, Inc. / PSI Controls
For customers throughout New England, local expertise and support are available through Piping Specialties, Inc. / PSI Controls, the authorized regional representative for AMETEK Drexelbrook. PSI Controls supports the full Drexelbrook product line across all applications — from straightforward point level switches to complex continuous measurement installations in demanding process environments. Whether you're specifying a new system, troubleshooting an existing installation, or looking for guidance on which technology is right for your application, PSI Controls brings both the product knowledge and the regional presence to help you get it right. For New England facilities in chemical processing, water and wastewater, food and beverage, power generation, and beyond, PSI Controls is your first call for AMETEK Drexelbrook solutions.

How Valve Positioners Turn Control Valves into Accurate Final Control Elements

How Valve Positioners Turn Control Valves into Accurate Final Control Elements

Industrial valve positioners play a critical role in modern process control by ensuring that control valves move precisely to the position commanded by the control system. At their core, valve positioners act as intelligent intermediaries between the control signal and the valve actuator. Rather than relying solely on the actuator to interpret a signal and guess the correct valve travel, a positioner continuously measures the actual valve position and actively corrects any deviation. This closed-loop behavior is what transforms a basic control valve into a reliable, accurate final control element.
The primary function of a valve positioner is to compare the desired valve position, as indicated by the control signal, with the actual valve stem or shaft position. If the two do not match, the positioner adjusts the output pressure or force delivered to the actuator until the valve reaches and maintains the commanded position. In pneumatic systems, the input signal is typically 3–15 psi or equivalent, while the positioner modulates air pressure to the actuator diaphragm or piston. In electric and electro-pneumatic systems, the positioner interprets an electrical signal such as 4–20 mA and converts it into precise actuator movement. This constant correction process occurs continuously, even as process forces change.
Valve positioners exist because real-world process conditions rarely remain constant. Fluid pressure, flow rate, temperature, and friction all influence how a valve responds. Without a positioner, these variables can cause the valve to undershoot, overshoot, or drift. A positioner compensates for these disturbances in real time. When upstream pressure increases and pushes against the valve plug, or when packing friction changes due to temperature, the positioner reacts quickly to maintain position. This capability improves loop stability and process consistency.
Accuracy and repeatability are among the most important benefits of valve positioners. In throttling applications where fine control matters, even small positioning errors can lead to measurable process deviations. A properly tuned positioner ensures that a given input signal always produces the same valve position, cycle after cycle. This consistency allows control systems to operate with tighter tolerances and faster response times, reducing oscillation and improving overall performance. In practical terms, this means smoother process control, higher product quality, and less wasted energy or material.
Valve positioners also enable faster valve response. The positioner can deliver higher air flow or force to the actuator than a control system alone. As a result, it moves the valve more quickly to a new setpoint. This is especially important in large valves, high-pressure services, or rapid-action applications. Faster response improves loop dynamics. It can help prevent excursions that might lead to safety trips or off-spec production.
In addition to control performance, valve positioners play a key role in diagnostics and asset management. Modern smart positioners measure and analyze variables such as stem travel, friction, air supply pressure, and actuator performance. By tracking these parameters over time, they can detect early signs of problems such as sticking valves, leaking actuators, or deteriorating packing. Maintenance teams can then address issues proactively, rather than reacting to unexpected failures. This predictive capability reduces downtime and extends the service life of the valve assembly.
Safety and compliance also justify the use of valve positioners. In critical processes, verifying the actual valve position is essential. Positioners provide feedback to confirm whether a valve has moved to its safe state during an upset or shutdown. Many designs support fail-safe configurations. They ensure the valve moves to a predefined position if air or power is lost. By making valve behavior more predictable and observable, positioners support safety and easier validation during audits.
While positioners add complexity and cost compared to bare actuators, their value is clear in demanding applications. These include those needing accuracy, repeatability, and reliability. They are common in industries like oil and gas, chemical processing, power generation, food and beverage, and water treatment. Small control improvements here bring significant operational and economic benefits. As digital integration expands, valve positioners serve as endpoints, connecting equipment to plant-wide automation systems.
From an engineering viewpoint, the principles behind valve positioners are established in control theory and mechanical design. They do not replace proper valve sizing, actuator selection, or loop tuning. However, they enhance the performance of a well-designed control valve assembly. When used well, a positioner makes a control valve precise, responsive, and self-monitoring.

New Drexelbrook Level & Analytical Solutions Brochure Now Available!

New Drexelbrook Level & Analytical Solutions Brochure Now Available!

Piping Specialties, Inc. is excited to announce the release of the new 2025 Drexelbrook Level & Analytical Solutions Brochure, a comprehensive guide to one of the industry’s most trusted names in level measurement. For over 50 years, Drexelbrook has delivered precision, durability, and application-specific performance across various industries, including chemical processing, water & wastewater, oil & gas, food & beverage, power generation, and more.


The brochure highlights Drexelbrook’s full portfolio of RF AdmittanceUltrasonicMagnetostrictive, and Water Cut Measurement technologies - each engineered for accuracy and reliability in the most demanding industrial environments. From advanced point-level switches with Cote-Shield™ coating immunity to high-accuracy magnetostrictive systems and non-contact ultrasonic transmitters, the guide showcases solutions designed to improve uptime, enhance safety, and reduce maintenance.


Whether you need continuous level measurement, point level detection, specialty interfaces, or sanitary 3A-compliant instrumentation, the new brochure provides an at-a-glance look at the full range of products and capabilities now available.


Download the brochure today and see how Drexelbrook—supported locally in New England by Piping Specialties - delivers precision, protection, and performance for your most critical applications.

The Next Generation of Valve Positioning: Reliability, Connectivity, and Control with TopWorx PD

TopWorx PD Series Smart Positioner

In process industries where reliability and precision are non-negotiable, the Emerson TopWorx PD Series Smart Valve Positioner has become a standout solution for modern valve automation. At its core, the PD Series is designed to precisely control valve position while providing continuous feedback to the control system. But what makes it truly important is how it transforms a traditional mechanical function into a digitally intelligent, low-maintenance, and predictive control asset. For engineers, plant managers, and maintenance teams, this means fewer surprises, tighter control loops, and a longer life for critical equipment.

The fundamental problem the PD Series addresses is the mechanical wear and drift common in older valve positioners. Traditional units rely on linkages, cams, or potentiometers to detect valve position. Over time, these mechanical parts wear out or lose calibration, leading to inaccurate readings and inefficient process control. The TopWorx PD Series eliminates this vulnerability through intelligent, contactless sensing technology. Its Hall-effect position sensor uses a magnetic field to detect valve position without physical contact, resulting in zero mechanical wear. Because there’s nothing to rub, slide, or degrade, the positioner maintains accuracy over years of operation, even in harsh environments. This non-contact design drastically reduces maintenance requirements and ensures stable feedback, helping operators avoid costly downtime and recalibration cycles.

The PD Series includes two primary models to fit different operational and safety needs. The PD100 is intended for general-purpose and non-incendive applications, making it a natural fit for standard industrial process environments with moderate safety classifications. The PD200, by contrast, adds intrinsically safe certification, allowing installation in hazardous areas where flammable gases or vapors may be present. Both share the same compact design and advanced functionality, but the PD200’s certification extends its use into demanding sectors such as oil and gas or chemical processing. Choosing between the two generally comes down to the plant’s hazardous area classification and compliance requirements.

A significant strength of the PD Series is its advanced communication capability. The positioner integrates seamlessly with 4-20 mA analog control loops and supports HART digital communication. This dual-mode design provides operators with both the reliability of traditional analog control and the diagnostic depth of a digital protocol. Through HART, engineers can access detailed device status, performance trends, and diagnostic data remotely—turning a simple positioner into a valuable source of predictive maintenance insights. Instead of reacting to valve issues after the fact, maintenance teams can spot early indicators of performance drift or air leakage before they escalate into failures. This level of visibility is what transforms the PD Series from a mechanical control element into an intelligent node in a connected plant.

Flexibility in installation and configuration further enhances the system’s value. The PD Series accommodates both rotary and linear actuators and works equally well in single-acting or double-acting configurations. Its lightweight, compact body can be mounted at virtually any angle, simplifying both retrofits and new installations where space is limited or accessibility is challenging. This mechanical versatility enables a single platform to serve a wide range of valve types, minimizing inventory and standardizing maintenance procedures across a facility.

Ease of operation is another hallmark of the design. The positioner features an integrated LCD that provides real-time device status, calibration prompts, and diagnostic messages. Operators can interact with the system using simple mechanical buttons or a magnetic key, allowing configuration without opening the enclosure. The magnetic interface is especially useful in hazardous or outdoor environments, where removing the cover could expose internal electronics to moisture, dust, or ignition risks. This design not only improves safety but also speeds up routine adjustments and inspections.

Setup and commissioning are streamlined through intelligent autocalibration. With a single command, the PD Series automatically learns valve stroke limits and control parameters, achieving optimal tuning without manual adjustment. This automation reduces installation time dramatically and eliminates the trial-and-error typical of older positioners. For maintenance crews under pressure to bring a line back online, those time savings can be crucial.

Physically, the PD Series is built to endure demanding conditions. It carries an IP66 rating, ensuring complete protection against dust ingress and powerful water jets. The enclosure combines a rugged thermoplastic composite housing with an aluminum mounting base and fluoroelastomer seals, delivering chemical resistance and structural stability in corrosive or outdoor settings. This ruggedness ensures that the electronics inside remain stable and protected even in environments with temperature extremes, humidity, or vibration.

Beyond positioning and feedback, the PD Series offers advanced safety and monitoring features. Two configurable PNP alarms can be set anywhere within the full valve displacement range, allowing operators to define precise alert points for early detection of performance deviations. These alarms can signal if a valve is off-position, sluggish, or approaching travel limits—conditions that, if left unchecked, could compromise process safety or product quality. By identifying issues at the earliest stage, these alarms directly contribute to plant reliability and operator confidence.

Performance efficiency rounds out the PD Series design. Its low air consumption minimizes demand on plant air systems, resulting in measurable energy savings over time. Meanwhile, fast response dynamics ensure that the valve moves smoothly and accurately in real time, maintaining tight process control and consistent product quality. The combination of speed and precision is particularly valuable in dynamic process loops where control lag can affect throughput or batch consistency.

The versatility of the TopWorx PD Series makes it a fit across virtually every primary industrial sector. In oil and gas refining, its intrinsically safe design and corrosion-resistant materials make it well-suited to hazardous, high-pressure environments. Chemical processors value its precise control and resistance to aggressive media. In power generation and water treatment facilities, reliability and minimal maintenance directly translate into uptime and efficiency. Food and beverage plants appreciate the clean, sealed design that resists washdown and contamination, while pulp and paper operations rely on its durability in humid, vibration-prone environments. Even general manufacturing utilities find the PD Series a reliable upgrade for aging valve networks.

In essence, the TopWorx PD Series Smart Valve Positioner represents a forward-looking approach to valve automation. It merges precision control with intelligent communication, rugged construction with intuitive operation, and versatility with industry-specific certifications. For facilities aiming to enhance efficiency, reduce maintenance, and improve safety, it provides a practical path to modernizing valve control infrastructure. By replacing mechanical wear points with solid-state intelligence, the PD Series ensures every valve movement is not only accurate but also insightful—driving smarter, safer, and more efficient operations across the industrial landscape.