Steam Valves
Ari Armaturen STOBU Gland Packed Globe Valve (Flanged PN40, Stainless Steel Body)
Ari Armaturen STOBU Gland Packed Globe Valve (Flanged PN40, Stainless Steel Body)
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The STOBU Gland Packed Globe Valve with a PN40 flanged connection and stainless steel body is built for precision flow control in high-pressure steam, gas, and liquid systems. Designed with a linear globe-style flow path, this valve delivers tight shut-off and accurate throttling, making it ideal for regulating pressure, temperature, and volume in demanding industrial environments.
Its stainless steel construction ensures excellent resistance to corrosion, high temperatures, and aggressive media, making it well-suited for use in chemical plants, clean steam lines, refineries, and food-grade systems. The gland packing system provides a secure stem seal while allowing straightforward adjustment and maintenance, helping to prevent external leakage over time. With a PN40 pressure rating, this globe valve performs reliably under elevated pressures, offering long-term durability and control precision.
Manufactured by ARI Armaturen, the STOBU valve is trusted across industries for its rugged build, serviceability, and consistent performance in both on/off and modulating control applications.
Key Features
Stainless Steel Body
Corrosion-resistant and ideal for aggressive, clean, or hygienic media across a range of industries.
PN40 Flanged Connections
Handles pressures up to 40 bar, ensuring safe use in high-pressure pipelines.
Gland Packed Stem Sealing
Provides reliable sealing with easy in-line adjustment and long-lasting service performance.
Linear Globe Valve Design
Enables accurate flow regulation with minimal pressure fluctuation and excellent shut-off characteristics.
Suitable for High-Temperature Applications
Performs in elevated thermal environments such as steam lines and heat transfer systems.
Versatile Industrial Use
Ideal for process control, steam regulation, thermal oil circuits, and chemical dosing systems.
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FAQ's
What is the difference between a valve and an actuator?
What types of actuators are available?
The main types of actuators are:
Pneumatic actuators – use compressed air for fast, reliable operation.
Electric actuators – use electrical power for precise control.
Hydraulic actuators – use fluid pressure for high-torque applications.
Each type offers unique advantages depending on the environment, media, and system control needs.
How do I choose the right actuator for my valve?
To select the correct actuator, consider:
Valve type and torque requirement
Power source available (air, electric, or hydraulic)
Operating environment (temperature, humidity, hazardous area)
Control signal type (on/off or modulating)
Matching actuator torque and compatibility with the valve’s ISO mounting ensures reliable performance.
What are the main types of valves used in automation?
The most common valves in automated systems include:
Ball valves – for tight shutoff and quick operation.
Butterfly valves – for larger flow control with compact design.
Globe valves – for precise throttling and flow regulation.
Check valves – to prevent backflow.
Gate valves – for full bore flow isolation.
What’s the difference between a double-acting and spring-return actuator?
Double-acting actuators use air (or power) to both open and close the valve.
Spring-return actuators use air to open (or close) the valve, and a built-in spring to automatically return it to a safe position when power or air is lost — ideal for fail-safe operation.
How often should valves and actuators be serviced?
Regular maintenance intervals depend on operating conditions, but a good rule of thumb is to inspect every 6–12 months.
This includes checking for leaks, lubrication, seal wear, and actuator responsiveness to prevent unexpected downtime.