BTA20.3-NC-DP-BA-BS
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The BTA20.3-NC-DP-BA-BS pneumatic actuator features a torque output of 20 Nm at 5.5 bar, a direct pilot-operated control type, and follows the ISO 5211 mounting interface standard. Part of the BTA20 Machine Control Boards by Bosch Rexroth Indramat, it includes a visual position indicator and ensures fail-safe operation with its spring return functionality.
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Product Description:
Bosch Rexroth Indramat BTA20.3-NC-DP-BA-BS is a performance-optimized pneumatic actuator for use in industrial automation.
The specification of this actuator is in its normal closed (NC) configuration i.e., its default condition or position is closed when it is not energized hence providing fail-safe operation in case of a system malfunction. It has a spring shut primary with two-way operation that uses a spring return to automatically move back to the closed position as well as operating it by power. This actuator is based on direct pilot control principle, and can be used on any operating pressures of 2.5 8bar which makes it suitable to most conditions of industrial air supplies. It is built using a long-lasting anodized aluminum body, as well as powder-coated aluminum end caps which gives it great resistance to corrosion and structural stiffness when used in harsh environments. The NBR (Nitrile Butadiene Rubber) is used as the internal sealing components as this is a reliable material with sealing capabilities against oils, water and most industrial fluids. This model delivers a 20 Nm torque at 5.5 bar in the operating pressure, which makes it suitable in medium duty valve actuator application.
The interfacing with the actuator is standard BSP (British Standard Pipe) connector port, thus the actuator is able to work with the widely used piping systems. It also contains visual position indicator to give in real-time observers a feedback on the status of the valve to facilitate proper monitoring of the system. The ISO 5211 interface makes mounting easy and fast, making it suitable to mount them securely to many different kinds of butterfly valves. The built in spring return system provides an added benefit of safety which will automatically close the valve in case of power or air loss.
Frequently Asked Questions about BTA20.3-NC-DP-BA-BS:
Q: What is the default position of the BTA20.3-NC-DP-BA-BS actuator?
A: This actuator is configured as normally closed (NC), meaning the valve remains closed when the actuator is not energized, ensuring fail-safe operation.
Q: What control method does the BTA20.3-NC-DP-BA-BS use?
A: It operates on the direct pilot control principle with spring-return functionality, which automatically closes the valve in the event of power or air failure.
Q: How is the BTA20.3-NC-DP-BA-BS mounted to valves?
A: The actuator uses an ISO 5211 interface, enabling quick and secure mounting to a wide range of butterfly valves in industrial systems.
Q: What kind of materials are used in the construction of the BTA20.3-NC-DP-BA-BS?
A: It features an anodized aluminum body, powder-coated aluminum end caps, and NBR seals—designed for durability, corrosion resistance, and fluid compatibility.
Q: Does the BTA20.3-NC-DP-BA-BS offer real-time valve position feedback?
A: Yes, it includes a visual position indicator for easy monitoring of valve status during operation.
