BURKERT 20016839 Type 3361 is an innovative electromotive 2-way globe control valve designed for demanding operating conditions. The electromotive actuator with a ball screw positions the control cone with the highest precision. A unique feature is its high positioning speed of up to 6 mm/s, which reacts almost delay-free to process signals and can be varied according to customer demands. Pressure variations or shocks in the medium are not transferred to the valve position.

Each flow-optimized valve body can be equipped with up to 5 different valve seats for precise adaptation to customer needs. If necessary, the safety position can be approached by an optional energy storage in case of power failure. The actuator and valve are perfectly adapted to each other with a closed design and robust surface, ensuring the hygienic requirements of fast and residue-free cleaning. With a degree of protection of IP65/IP67 and high impact and vibration resistance, the Type 3361 is ideal for harsh environmental conditions.

General Technical Data

Product properties	Description
Design	Globe control valve
Nominal diameter	DN 10...DN 100, NPS 3/8...4
Safety setting in case of power failure	With energy storage SAFEPOS energy-pack: open, closed or freely programmable position. Without energy storage: blocked in last position
Flow direction	Against closing direction (below seat)
Controller variant	Positioner or process controller (option)
Operating pressure	0...25 bar(g), 40 bar(g) on request. Vacuum variant...-0.9 bar(g) (optional)
Nominal pressure	PN 25/PN 40 (DIN EN 1333), Class 150 (DIN EN 1759)
Flow characteristic	Equal percentage, linear (on request)
Seat leakage	Class III, IV and VI (DIN EN 60534-4)
Theoretical rangeability	Up to 50:1
Operating voltage	24 V DC ± 10 % (maximum residual ripple 10 %)
Protection class	III (DIN EN 61140)
Duty cycle	100 %
Operating medium	Steam, neutral gases, water, alcohols, oils, fuels, hydraulic fluids, salt solutions, organic solvents, oxygen (optional), hydrogen (optional), lyes (optional)
Medium temperature	-40 °C...+230 °C
Ambient temperature	-25 °C...+65 °C (only without additional modules)
Degree of protection	IP65/IP67 (DIN EN 60529), NEMA 4X

Approvals and Conformities

• Explosion protection (optional): As a category 3 device suitable for zone 2/22. ATEX: II 3G Ex ec IIC T4 Gc, II 3D Ex tc IIIC T135 °C Dc. IECEx: Ex ec IIC T4 Gc, Ex tc IIIC T135 °C Dc.
• North America (USA/Canada): Actuators UL Listed for the USA and Canada (UL 61010-1, CAN/CSA-C22.2 No. 61010-1).
• Drinking water (optional): Suitable for use in drinking water applications. Materials comply with UBA assessment principles. Suitable for products with a maximum temperature of +85 °C.
• Foods and beverages/Hygiene: FDA – Code of Federal Regulations compliant. USP – United States Pharmacopeial Convention compliant. EC Regulation 1935/2004 compliant. China food GB Standards compliant.
• Others: Suitability for oxygen (optional), Suitability for hydrogen (optional), TA Luft compliant.

Materials

AG2 Actuator Materials:

No.	Component	Material
1	Display housing/blind cover/gateway housing	PPS (standard), stainless steel 1.4301 (for ATEX/IECEx)
2	Actuator cover	PPS
3	Seal	EPDM
4	Actuator housing	Powder-coated aluminium
6	Seal	EPDM
7	Actuator base	PPS

Dimensions

Actuator AG2

Nominal diameter (port connection)	NPS	Height H1 (Standard variant)	Height H2 (Fieldbus variant)
DN 10	3/8	417 mm	489 mm
DN 15	1/2	417 mm	489 mm
DN 20	3/4	423 mm	495 mm
DN 25	1	446 mm	518 mm
DN 32	1 1/4	474 mm	546 mm
DN 40	1 1/2	479 mm	551 mm
DN 50	2	485 mm	557 mm

Performance Specifications

Flow Characteristics

• Equal-percentage flow characteristic according to DIN EN 60534-2-4 (linear characteristic curve on request).
• Theoretical rangeability: Kvs / Kv0.
• The globe control valve has different theoretical rangeabilities depending on the seat size.

Operating Limits for Medium Temperature and Operating Pressure

In addition to the maximum operating pressures, the application range of Bürkert process valves is limited by the nominal pressure in accordance with the relevant standard.

Maintenance and Service

Danger due to uncontrolled process after running the X.TUNE function

If the X.TUNE is run under medium pressure, the controller will be incorrectly adjusted. This will result in an uncontrolled process. Never run the X.TUNE under medium pressure. Secure system against unintentional activation.

Adjusting the position control

Do not run X.TUNE without requirement! The X.TUNE function must be run again only when the actuator has been removed afterwards or the valve body has been changed. When the X.TUNE function is run, the position control is adjusted to the physical stroke of the actuating element used.