BURKERT 20070159 (Type 6027) is a direct-acting 2/2-way plunger solenoid valve. The stopper and plunger guide tube are welded together to enhance pressure resistance and leak-tightness. This specific model features a stainless steel body, PTFE seat seal, G1/4 internal thread, and operates at 24V with a pressure range of 0 to 25 bar. The coils are moulded with chemically resistant epoxy, ensuring durability in demanding industrial environments.

General Technical Data

Product properties	Details
Material (Body)	Stainless steel 1.4404/316L
Material (Seal)	PTFE (Seat), PEEK (External)
Orifice	4.0 mm
Circuit function	A (Normally closed)
Duty cycle	100% continuous operation
Operating voltage	24 V (AC/DC)
Medium temperature	-40 °C to +140 °C
Port connection	Internal thread G1/4
Degree of protection	IP65 (with suitable cable plug)

Circuit Functions

Circuit function A (CF A): 2/2-way solenoid valve, Direct-acting, Normally closed.

Approvals and Conformities

Conformity

In accordance with the Declaration of Conformity, the product is compliant with the EU Directives.

• Explosion protection: ATEX (II 2 D Ex mb IIIC T130°C Db, Ex mb IIC T4 Gb, II 2 G Ex mb IIC T4 Gb) and IECEx.
• North America: Optional UL Listed and UL Recognized for USA and Canada.
• Drinking water: Suitable for use in drinking water applications (assessment principles UBA).
• Hygiene: FDA and USP compliant materials available.
• Others: Suitability for oxygen, fire protection on railway vehicles (DIN EN 45545), safety shut-off valves (DIN EN ISO 23553-1), and fuel gases (DIN EN 161).

Materials

No.	Element	Material
1	Nut	DIN 176 thick-film passivated or stainless steel
2	Coil	Epoxy
3	Stopper	Stainless steel 1.4113/434
4	Shading ring	Silver (stainless steel body)
5	Spring	Stainless steel 1.4310/301
6	Plunger	Stainless steel 1.4113/434
7	Guide tube	Stainless steel 1.4303/305/308
8	Nipple	Stainless steel 1.4305/303
9	Seal	PEEK
10	Seat seal	PTFE
11	Housing	Stainless steel 1.4404/316L (CF3M)

Dimensions

Note

Dimensions in mm.

For the G1/4 standard variant:

• A: 12 mm
• B: 27.5 mm
• C: 10 mm
• E: 105 mm
• F: 18 mm
• H: M4
• J: 5 mm
• L: 55 mm

Performance Specifications

Power consumption (Coil size 42 K):

• Inrush power (AC): 150 VA
• Holding power (AC): 37 VA / 16 W
• Cold performance (DC): 21 W
• Warm performance (DC): 16 W

Safety Instructions

• Danger due to high pressure: Before loosening lines and valves, turn off the pressure and vent the lines.
• Danger due to electrical voltage: Before working on or inside the device or the system, switch off the power supply and secure against reactivation.