Automating Manufacturing Processes Helps Manufacturers with Efficiency, Precision and Compliance

When it comes to automation, there are myriad approaches and technologies that manufacturers incorporate into their businesses. Some of these could be as simple as materials-handling equipment to load raw materials into and out of machines, or scanning systems for automating inventory picking for order fulfillment. It can be as complicated as fully automated machining cells with the entire manufacturing process completed within the confines of that cell. These systems often include material loading robots or cobots, CNC machining centers, optical scanners and metrology equipment to ensure precise measurement and quality, as well as inspection. And those are just a few of the key automation technologies found on shop floors today.

Valve and actuator manufacturers operate in one of the most demanding segments of metal manufacturing. These products inherently require tight tolerances, variable product configurations, pressure boundary integrity and documentation-heavy compliance requirements, creating a production environment where consistency is hard-won and errors are costly. Automation is increasingly viewed as a solution to these challenges, but in this sector, success depends less on full, lights-out production and more on targeted, technically informed automation that strengthens both process capability and workforce skills.

The most easily implemented automation strategies in valve and actuator manufacturing today focus on reducing ergonomic stress on employees and enabling skilled workers to spend more time on judgment-driven tasks such as setup, troubleshooting and continuous improvement. When deployed with intent, automation helps companies multiply the potential of employees not to replace them. And in a globally competitive market, it can offer time and cost savings that owners and investors demand.
Why valve and actuator manufacturing presents unique automation challenges

My career has taken me into a multitude of manufacturing environments — from 2-machine shops to major consumer products manufacturing operations where thousands of final products are produced each day. I’ve seen shops with fully automated cells with multiple machines networked together, and other shops where barcodes and scanners for inventory and order fulfillment are the most sophisticated automation products employed in production.

Valves and actuators are unlike most other high-volume, highly standardized discrete parts as they are inherently variable. Manufacturers often have a high product mix, with wide ranges of sizes, pressure classes, materials, trims and end connections running through the same facility for the same essential part. Even within a single valve family, machining routings for flow paths, inspection points and test requirements can change significantly based on customer specification.

Performance failures in valves and flow control products can have safety, environmental or operational consequences, which is why standards such as ASME B16.34, API 598 and ISO 5208 place heavy emphasis on pressure integrity, closure tightness, testing and marking. ISO 5208:2015, for example, formalizes pressure testing and leakage verification of metallic valves as essential manufacturer responsibilities, not optional quality checks. Automation integrated into workflows that require these standards must be selected not just for surface-level quality measurements but structural integrity, flowpaths and even traceability of parts.

These constraints mean that automation works best when it is applied selectively to the highest-friction points in production rather than attempting to fully automate every operation at once.

Core automation technologies

Automated material handling moves components through production. Often beginning when materials are delivered to the dock door, automatic forklifts and automated guided vehicles (AGV) are often used to move materials from one part of the shop to another, using GPS guidance and track systems to navigate warehouses and machine shop floors. Conveyor systems with AGVs transport heavy valve castings or machined bodies between machining stations for various operations. Overhead gantry systems are also used for moving materials and deliver subassemblies for valves and actuators to workstations based on production schedules and order of operations.

Robotic systems are ideal for handling repetitive, precise tasks. In valve manufacturing, articulated robots can perform welding operations on valve bodies, particularly for creating seals in high-pressure applications. Multi-axis robots excel at the complex positioning needed for welding ball valve assemblies. For actuators, collaborative robots (cobots) assist with assembly of gear trains and motor housings, working alongside human operators to ensure proper operation and functioning of the systems before high quantities of products are made.

CNC machining centers are fundamental for precision manufacturing, although many shops today still have manual Bridgeport machines that are a key part of the product mix in their production — proving that the newest isn’t always the best tool for the job. Multi-axis CNC machines can create valve bodies from raw castings or forgings, boring precise chambers and cutting intricate port geometries. They often have lasers and other metrology built into the machine to measure and validate specifications at each point in the manufacturing process. In actuator production, CNC lathes turn drive shafts and machine mounting flanges to tight tolerances within microns. Multi-axis machining centers can complete complex actuator housings in a single setup, reducing handling time and improving quality of manufacturing.

Vision and inspection systems are implemented in manufacturing and quality workflows. Machine vision inspects valve seat surfaces for defects, measuring flatness and finish to ensure proper sealing. Coordinate measuring machines (CMMs) are often outfitted with physical probes used to measure the physical geometry of products including dimensions, angles and surface area with results automatically recorded in quality databases that can be used for traceability.

Dimensional variation upstream often shows up as test failures downstream. By using automated inspection to stabilize machining processes, manufacturers can significantly reduce hydrostatic and seat test failures, which are among the most time-consuming and disruptive quality events in valve production. Vision systems are growing in use, for orientation verification checks, to inspect critical part marking for identification and traceability and much more.

Assembly automation ranges from semi-automated workstations to fully automated lines. For example, automated torque stations apply precise bolt tension during product assembly, again recording values for traceability. Automated presses can install bearings with controlled force, then parts can move to automated leak testing stations for final product integrity checks.
Process control and SCADA (supervisory control and data acquisition) systems monitor and optimize production. These systems combine hardware and software to monitor and control processes during production and enable manufacturers to analyze production data in real time. These systems alarm if products are out of specification and can have automatic control responses programmed that are triggered by certain events occurring or if system parameters deviate from the control settings. Some other examples of automated control systems include temperature-controlled curing ovens for epoxy-coated valve interiors that operate on closed-loop control, or pressure testing stations for actuators that automatically cycle through test sequences and document results.

Modern valve and actuator manufacturers increasingly adopt Industry 4.0 approaches and controls. The use of digital twins in manufacturing allows for operators to optimize production settings on machining centers to create the best order of operations and production flow for parts, and to implement real-time quality analytics to reduce defects.

CNC automation as the foundation

For many valve and actuator manufacturers, the most immediate and reliable return on automation comes from CNC machine tending combined with disciplined fixturing engineering. Valve bodies, bonnets, stems and actuator components are often well suited to automated loading and unloading, particularly in roughing and early finishing operations where cycle times are consistent and volumes justify investment.

However, successful CNC automation depends far more on workholding equipment and data strategy than on the robot itself. Poorly defined data or unstable fixturing simply produces bad parts faster. This is especially critical for sealing surfaces, bores and connection points that directly affect valve performance. Chip evacuation, coolant management and part cleanliness are very important in unattended or semi-attended machining, as downstream inspection and assembly are sensitive to contamination.

Tool life management is another technical consideration that becomes more consequential in automated cells. In valve manufacturing, tool wear is not just a productivity issue but a quality risk. Integrating tool monitoring with in-process probing or downstream measurement allows manufacturers to catch dimensional drift before it progresses into pressure-test failures with parts becoming scrap.

Automating pressure testing without losing expertise

Pressure testing is frequently one of the most labor-intensive and capacity-constrained operations in valve manufacturing. It is also one of the most amenable to automation that enhances, rather than replaces, skilled labor. Automated leak measurement improves repeatability while reducing operator fatigue and procedural variation.

When test systems are integrated with barcode or RFID-based identification, the correct test parameters can be automatically loaded for each valve, and results can be captured directly into digital test records. This approach aligns closely with ISO 5208’s verification intent while shifting the role of technicians from manual execution to oversight, diagnosis, and exception handling. The result is higher test throughput, more consistent data and better use of experienced personnel.

Assembly automation in actuator manufacturing

Automation in actuator production is often assistive automation rather than full robotic replacement. Torque-angle monitored fastening, basic assembly and cobots can improve consistency and ergonomics while preserving the flexibility required for mixed product lines.In many cases, the primary return on investment comes not from faster assembly times but from prevention of errors and quality concerns during assembly. Incorrect torque, missing components or assembly sequence errors are far more expensive than gaining incremental cycle time savings. Automation that guides and verifies assembly steps helps ensure that actuators, or any components, perform as
designed while reducing rework and warranty exposure.

Designing automation around specifications and traceability

Automation in valve and actuator manufacturing must be engineered with specifications and compliance requirements in mind from the outset. Standards such as ASME B16.34 define expectations around materials, pressure ratings, testing and marking that directly influence manufacturing processes. Automation that improves throughput but weakens traceability
or documentation ultimately undermines compliance. For this reason, traceability should be treated as a core design requirement. Applying unique identifiers early in production and linking them to automated data capture across machining, inspection, assembly and testing creates a practical digital thread. Standards such as MTConnect, (ANSI/MTC1.4-2018) provide a structured way to collect equipment data across mixed-vendor environments, and NIST’s Smart Manufacturing Systems work demonstrates how interoperable data can support quality, maintenance and production planning without requiring excessive IT complexity or programming knowledge.

Safety as an integral part of automation design

Metal manufacturing automation introduces new hazards related to motion, stored energy and human–robot interaction. Addressing these risks requires systematic safety engineering rather than ad hoc guarding. OSHA provides guidance on robotics hazards and safeguarding concepts, and ANSI/RIA R15.06 defines the primary U.S. framework for industrial robot safety (OSHA Robotics; ANSI/RIA R15.06). Incorporating risk assessment, interlocks and functional safety into cell design from the beginning reduces both safety incidents and costly retrofits.

Automation as a workforce development tool

Concerns about automation eliminating jobs are particularly acute in an industry already facing labor shortages. Yet research from Deloitte and The Manufacturing Institute shows that the manufacturing sector’s challenge is not excess labor but a shortage of skilled workers, especially as digital technologies become more prevalent (Deloitte Manufacturing Workforce).

In valve and actuator manufacturing, automation can be deliberately targeted at tasks that are repetitive, ergonomically risky or low in decision-making content. This allows experienced machinists, assemblers and inspectors to transition into higher value roles such as automation technicians, process optimization leads, metrology specialists or controls
and maintenance experts. Involving your key manufacturing staff when first planning and designing automation on the factory floor builds trust in your staff, helps capture tribal knowledge, and builds trust among employees who see the whole picture and don’t think management is trying to eliminate their jobs. Automating shops also helps create clear career development pathways and helps businesses attract and retain younger talent who are drawn to shops with technology already integrated into workflow.

A pragmatic path forward

Instead of pursuing sweeping transformations and going fully automated, most valve and actuator manufacturers will benefit from a phased approach. Initial efforts often focus on stabilizing machining and inspection through CNC tending and in-process measurement. After that, expanding automation
into testing and assembly, followed by broader data integration to connect equipment, quality, and production systems, is a logical progression. But, safety and workforce development must remain foundational considerations rather than afterthoughts.

Precision, compliance and people

In the valve and actuator sector, automation delivers its greatest value when it reinforces the fundamentals customers care about most: consistent performance, reliable documentation and on-time delivery. Industry standards such as ASME B16.34 and ISO 5208 underscore that quality and verification discipline are inseparable from manufacturing success.

When automation is aligned with these requirements and paired with intentional workforce development, it becomes a competitive advantage built on both technical excellence and human capability.