BURKERT TYPE 2873 - Direct-acting 2-way standard solenoid control valve

Proportional valve (PWM Valve) type 2836, 2861, 2863, 2865, 2871, 2873, 2875, 6024 ซึ่งใช้ร่วมกับ Type 8605 ซึ่งเป็นอิเลคโทรนิคคอนโทรลยูนิต ซึ่งทำหน้าที่ Convert สัญญาณ Analog เป็นสัญญาณ PWM

The direct-acting solenoid control valve Type 2873 is used as the regulating unit in control loops. Due to an elastomeric seat seal the valve closes tight (integrated shut-off function), up to the DN specific nominal pressure. The plunger of the valve is assembled frictionless, which leads to an extraordinary adjustment characteristic. This valve is particularly suitable for demanding control tasks (high control range, dry gases, etc.).

• Excellent range
• Very good response
• Compact valve design
• Orifice sizes 0.8 ... 6 mm
• Optional: Explosion-protected coil

Circuit function A

2/2 way direct-acting, solenoid proportional control valve

Valve control takes place through a PWM signal1). The duty cycle of the PWM signal determines the coil current and hence the position of the plunger. Optionally the valve can also be driven with DC voltage.

Please note the sizing comments for such a control valve on after

1. PWM pulse width modulation
2. Pressure data [bar]: Measured as overpressure to the atmospheric pressure, orifice further depends on nominal pressure
3. Maximum value, value depends on operating pressure
4. Characteristic data of control behaviour depends on process conditions
5. by flow measurement

Characteristics of a solenoid control valve	Advice for valve sizing

Determination of the kV value

Type 2873 Can be combined with

	Type 8605 - PWM control electronics for electromagnetic...
	Type 2518 - Cable Plug DIN EN 175301-803 - Form A
	Type 8611 - eCONTROL - Universal controller

*For selecting the correct product please refer to the technical data, images and notes for proper use according to the data sheet.

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