Burkert Type 2101 pneumatically operated 2/2-way globe valve is specially optimised for decentralised process automation and meets all practical requirements even under difficult operating conditions. Its unique design allows easy integration of automation units in all expansion stages, from electrical/optical position feedback to pneumatic control and integrated fieldbus interface. Maximum service life and tightness are achieved by the proven self-adjusting v-seal packing gland. The highly integrated system of valve and automation unit is characterised by its compact and smooth design, integrated pilot air ducts, protection classes IP65/67, NEMA Type 4X and high resistance to chemicals.

General Technical Data

Product properties
Design	Globe valve
Nominal diameter	DN 10...DN 100, NPS 3/8...NPS 4
Safety setting	Normally closed (control function A), normally open (control function B)
Flow direction	Against closing direction (below seat), with closing direction (above seat)
Operating pressure	0 bar(g)...25 bar(g), 40 bar(g) on request
Nominal pressure	PN 25/PN 40 (DIN EN 1333), Class 150 (DIN EN 1759)
Medium temperature	-40 °C...+230 °C
Ambient temperature	-10 °C...+100 °C
Body material	Stainless steel 316L / CF3M
Seat seal	PTFE, PEEK (option)

Control Functions

WARNING

Risk of damage due to bursting pipes and bursting equipment when the flow is above the seat. In the case of liquid mediums, water hammer can occur causing pipes and the device to burst. Do not use valves with flow above the seat for liquid mediums.

• Control function A (CFA): Pneumatically operated 2/2-way on/off valve. Flow direction below or above seat. Normally closed by spring force.
• Control function B (CFB): Pneumatically operated 2/2-way on/off valve. Flow direction below seat. Normally opened by spring force.
• Control function I (CFI): Actuating function via reciprocal pressurisation.

Approvals and Conformities

• Explosion protection: ATEX / IECEx (II 2G Ex h IIC T4…T2 Gb / II 2D Ex h IIIC T135 °C…T300 °C Db)
• Drinking water: Suitable for use in drinking water applications. The materials comply with the assessment principles (UBA).
• Foods and beverages/Hygiene: FDA, USP, EC Regulation 1935/2004, China food GB Standards.
• Others: DNV GL classification, Oxygen, Fuel gases, Hydrogen, TA Luft.

Materials

No.	Element	Material
1	Ground terminal	Stainless steel 1.4301/1.4305 only for ATEX variant
4	Actuator cover	PPS
5	Actuator casing	Stainless steel 1.4561 (316Ti)
9	Spindle packing	PTFE V-Rings (filled), with spring compensation
10	Spindle	Stainless steel 1.4401 (316)/1.4404 (316L)
14	Seat seal	PTFE, PEEK (option)
16	Valve body	Stainless steel 316L / CF3M

Operating Limits for Optional Variants

• High-temperature variant: Suitable for applications with steam, neutral gases and other heat transfer mediums up to +230 °C.
• Water variant: For applications with water up to +200 °C, a special configuration of the packing gland increases service life significantly.
• Vacuum variant: Without leakage bore, this design is suitable for pressures down to -0.9 bar(g).
• Low-temperature variant: Suitable for minimum medium temperatures down to -40 °C.
• Hydrogen variant: Wetted materials are tested for suitability with hydrogen and are suitable for operating pressures up to 40 bar(g) and medium temperatures up to +100 °C.

Installation Notes

TIP

The globe valve can be installed in any position, preferably with the actuator facing upwards.

DANGER

Risk of injury from high pressure in the system. Before working on the system or device, switch off the pressure and ventilate or empty the lines.