The SMC ITV2050-312BL is an electro-pneumatic regulator for compressed air systems that need pressure to be controlled electronically rather than by manual adjustment. It belongs to SMC’s ITV1000/2000/3000 family, a series developed for stepless control of air pressure in proportion to an electrical signal. In practical terms, this means the regulator can receive a control signal from a PLC, controller, or automation system and convert that signal into a stable pneumatic output pressure. That architecture makes the ITV2050-312BL suitable for production equipment, automated test rigs, assembly machines, packaging systems, and general industrial installations where repeatable pressure control matters.
Within the ITV family, the ITV2050 is the 0.005 to 0.9 MPa pressure range version in the ITV2000 class. SMC’s catalog lists the ITV2050 model in that pressure band, while model-specific distributor references identify ITV2050-312BL as a unit configured with 0 to 5 VDC input, 1 to 5 VDC monitor output, and 24 VDC power supply. This combination is widely used in industrial control systems because it integrates easily with analog I/O hardware and allows pressure values to be commanded and monitored from the machine control side.
One of the strongest reasons to choose this model is that it turns pneumatic pressure into a controllable process variable. In older systems, pressure is often set with a manual regulator and left fixed unless an operator changes it. That approach is acceptable for simple machines, but it is less suitable for automated equipment that runs multiple product recipes or different process stages. With the ITV2050-312BL, pressure can be changed automatically during machine operation. A lower pressure can be used during positioning, a higher pressure during clamping, and another value during blowing, holding, or testing. This improves consistency, reduces manual intervention, and supports better repeatability from cycle to cycle. SMC also classifies the ITV family as IP65, which adds practical value in general industrial environments.
Key Specifications
| Item | Description |
|---|---|
| Brand | SMC |
| Model | ITV2050-312BL |
| Product Type | Electro-Pneumatic Regulator |
| Series | ITV1000/2000/3000 Series |
| Series Size | ITV2000 |
| Pressure Range | 0.005 to 0.9 MPa |
| Control Concept | Stepless pressure control proportional to electrical signal |
| Power Supply | 24 VDC |
| Input Signal | 0 to 5 VDC |
| Monitor Output | 1 to 5 VDC |
| Protection Rating | IP65 |
| Product Net Weight | 350 g without options |
| Series Port Size Reference | ITV2000 class is 1/4 size family |
| Typical Media | Compressed air |
The pressure range, power options, analog input type, and approximate weight are listed in SMC family documentation and model-related industrial references. The older SMC catalog specifically gives the ITV2000 weight as approximately 350 g without options.
Product Function and Control Principle
The SMC ITV2050-312BL operates as a closed-loop pressure regulator. A control system sends a voltage signal to the unit, and the regulator interprets that signal as a target pressure. The internal electronics and pressure sensing circuit then adjust the valve section until the actual outlet pressure matches the commanded value. Because this process is continuous, the regulator can respond to pressure demand changes during operation instead of behaving like a fixed mechanical setting. SMC’s product literature describes the ITV series as providing proportional control of output pressure according to electrical input, and that is the central engineering function of this model.
This method of operation is especially useful when pressure directly affects product quality, process timing, or actuator behavior. In packaging equipment, sealing force or blowing force may need to vary according to material thickness or product format. In assembly equipment, clamping pressure may need to be controlled carefully to avoid deformation or inconsistent positioning. In testing equipment, stable air pressure is often necessary to keep test conditions repeatable. In all of these cases, an electro-pneumatic regulator is more suitable than a conventional manual regulator because it allows pressure to be programmed, stored, repeated, and monitored through the machine controller.
Another practical advantage is integration. Since the ITV2050-312BL uses a 0 to 5 VDC input and 1 to 5 VDC monitor output, it fits neatly into common analog control architectures. This reduces the need for external conversion devices and makes it easier to build machine logic around pneumatic pressure. A designer can command a pressure level, monitor the regulator response, and incorporate that value into alarms, recipes, or process feedback routines. That is a significant advantage in modern automated systems where process visibility matters as much as mechanical function.
Weight and Mechanical Practicality
The approximate product weight is 350 g without options, which is the standard reference for the ITV2000 size in SMC catalog data. That weight is important for machine design, even though it is often overlooked in basic product descriptions. A regulator that offers closed-loop electronic pressure control without excessive bulk is easier to mount inside compact pneumatic panels, machine frames, modular automation cells, or decentralized manifolds. For OEM builders, lower component weight can simplify support structure design and help preserve layout flexibility.
The ITV family is also presented by SMC as compact and lightweight, with improved space saving and weight reduction benefits when used in manifold-related layouts. That positioning is relevant because many industrial machines now prioritize compact design and higher functional density. The ITV2050-312BL fits that trend well: it adds programmable pressure control without forcing the designer into a large or mechanically awkward component package.
Typical Industrial Applications
| Application Area | Typical Use of ITV2050-312BL |
|---|---|
| Packaging Machinery | Control of seal pressure, blow-off pressure, and hold-down pressure |
| Assembly Equipment | Programmable clamping or pressing force |
| Test Systems | Stable air pressure for repeatable leak or function testing |
| Handling Systems | Adjustable gripping pressure for different product types |
| Process Automation | Pressure setpoint changes according to recipe or sequence |
| General Factory Equipment | Replacement of manual regulators with signal-controlled pressure regulation |
These applications align with the ITV series’ intended role as a regulator for proportional pressure control by electrical signal, with industrial usability and feedback capability.
Why This Model Is a Strong Selection
From a purchasing perspective, the ITV2050-312BL is attractive because it combines a broad 0.9 MPa class pressure range, analog control compatibility, IP65 protection, and the backing of a widely recognized pneumatic brand. SMC’s ITV family is broadly distributed through industrial channels, and the exact model appears in commercial listings such as Misumi and other automation distributors, which supports the view that it is a standard industrial part rather than a niche special configuration.
From an engineering perspective, this model is useful because it reduces dependence on manual setup. Pressure values can be defined in software, repeated consistently, and adjusted instantly when the process changes. That can shorten changeover time, improve product consistency, and reduce operator error. For maintenance teams, belonging to a recognized SMC family also helps with identification, sourcing, and replacement planning.
Conclusion
The SMC ITV2050-312BL is a compact ITV2000-series electro-pneumatic regulator intended for industrial systems that require electronically controlled air pressure rather than manual pressure adjustment. It is part of SMC’s ITV family for stepless pressure regulation proportional to an electrical signal, and model-related references indicate a 24 VDC supply, 0 to 5 VDC input, 1 to 5 VDC monitor output, and the 0.005 to 0.9 MPa pressure range associated with the ITV2050 type.
For equipment builders and plant users, the model offers a practical combination of repeatable pressure control, IP65 protection, and an approximate weight of 350 g without options, making it well suited to automated machinery, packaging systems, test equipment, and pressure-sensitive assembly processes. Where pressure needs to be part of the control logic instead of a fixed mechanical setting, the ITV2050-312BL is a technically sound and commercially practical choice.
