BURKERT 20022137 Type 3361 is an innovative electromotive 2-way globe control valve designed for highly precise, dynamic closed-loop control under demanding operating conditions. The electromotive actuator with a ball screw positions the control cone with exceptional precision, featuring a high positioning speed of up to 6 mm/s that reacts almost delay-free to process signals. Pressure variations or shocks in the medium are not transferred to the valve position. This specific model (SKU 20022137) features a stainless steel body with a G 1/2" internal thread, an AG2 actuator (1300 N), and integrated PROFINET communication.

The flow-optimized valve body can be equipped with different valve seats for precise adaptation to customer needs. The actuator and valve are perfectly adapted to each other with a closed design and robust surface, ensuring hygienic requirements for fast and residue-free cleaning. Harsh environmental conditions are easily handled thanks to the IP65/IP67 and NEMA 4X protection ratings, along with high impact and vibration resistance.

Product Features

• Highly Precise Control: Dynamic closed-loop control with a linear 25:1 control cone variant.
• Robust Design: Weather, impact, and vibration-resistant construction.
• Safety Position: Equipped with the SAFEPOS energy-pack (electrical energy storage) to approach a safe position in case of power failure.
• Process Controller: Integrated process controller function with 1 fieldbus and 1 process actual value input.
• Oxygen Variant: This model is suitable for oxygen applications.

General Technical Data

Property	Specification
Design	Globe control valve
Port Connection	G 1/2" Internal thread
Operating Pressure	0 to 25 bar (PN 25 / Class 150)
Medium Temperature	-10 °C to +60 °C
Ambient Temperature	-25 °C to +55 °C
Kv Value (Water)	1.2 m³/h (Cv: 1.4 gal/min)
Nominal Seat Diameter	6 mm (1/4")
Closing Time	3.400 ms
Operating Voltage	24 V DC ± 10 %
Protection Class	IP65/IP67 (DIN EN 60529), NEMA 4X

Materials

• Valve Body: Stainless steel CF3M
• Actuator Housing: Powder-coated aluminium / PPS (Polyphenylene sulphide)
• Seat Seal: Stainless steel
• Spindle Seal: PTFE V-seals (filled) with spring compensation

Product Design and Assembly

The electromotive linear drive consists of a brushless DC motor, a gear, and a spindle system that transfers the force to the closing element. The integrated electronics are controlled via PROFINET and the Bürkert system bus (büS). The device features a rugged display with operation keys for easy configuration and monitoring.

Electrical Control and Interfaces

This model includes an integrated fieldbus gateway for PROFINET communication. The fieldbus gateway is integrated into an additional module with M12 circular sockets. The intelligent process valve offers operators options for process monitoring, valve diagnosis, and preventive maintenance.

Operating Limits

Operating Limits

The maximum permissible temperature for the environment and the medium are dependent on each other. The maximum allowable temperature curves are determined for maximum operating conditions. For deviating conditions, an individual verification must be carried out.

Approvals and Conformities

The Type 3361 family supports various approvals depending on the configuration, including ATEX/IECEx (Zone 2/22), UL Listed (USA/Canada), FDA, USP, EC Regulation 1935/2004, and suitability for drinking water, oxygen, and hydrogen applications. This specific SKU (20022137) is explicitly configured as an Oxygen version.