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2871 2/2-Way Solenoid Control Valve
Brand: Burkert Fluid Control Systems
The direct-acting solenoid control valve Type 2871 (20 mm installation width) 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.). Valve control takes place through a PWM signal. 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.
Features- Excellent range (1:200)
- Very good response
- Compact valve design
- Port connection 1/8” or sub-base
1 - 12 of 135 Part Numbers
235 992
- Model - Standard-Design
- Orifice Size - 0.8 mm
- Port Connection - Sub-Base FK01
- Nominal Pressure - 12 bar
- Maximum Differential Pressure - 6 bar
- Body Material - Brass
235 993
- Model - Standard-Design
- Orifice Size - 0.8 mm
- Port Connection - Sub-Base FK01
- Nominal Pressure - 12 bar
- Maximum Differential Pressure - 6 bar
- Body Material - Stainless Steel
235 994
- Model - Standard-Design
- Orifice Size - 0.8 mm
- Port Connection - G 1/8”
- Nominal Pressure - 12 bar
- Maximum Differential Pressure - 6 bar
- Body Material - Brass
235 995
- Model - Standard-Design
- Orifice Size - 0.8 mm
- Port Connection - G 1/8”
- Nominal Pressure - 12 bar
- Maximum Differential Pressure - 6 bar
- Body Material - Stainless Steel
235 996
- Model - Standard-Design
- Orifice Size - 0.8 mm
- Port Connection - 1/8” NPT
- Nominal Pressure - 12 bar
- Maximum Differential Pressure - 6 bar
- Body Material - Brass
235 997
- Model - Standard-Design
- Orifice Size - 0.8 mm
- Port Connection - 1/8” NPT
- Nominal Pressure - 12 bar
- Maximum Differential Pressure - 6 bar
- Body Material - Stainless Steel
235 998
- Model - Standard-Design
- Orifice Size - 1 mm
- Port Connection - Sub-Base FK01
- Nominal Pressure - 10 bar
- Maximum Differential Pressure - 5 bar
- Body Material - Brass
235 999
- Model - Standard-Design
- Orifice Size - 1 mm
- Port Connection - Sub-Base FK01
- Nominal Pressure - 10 bar
- Maximum Differential Pressure - 5 bar
- Body Material - Stainless Steel
236 000
- Model - Standard-Design
- Orifice Size - 1 mm
- Port Connection - G 1/8”
- Nominal Pressure - 10 bar
- Maximum Differential Pressure - 5 bar
- Body Material - Brass
236 001
- Model - Standard-Design
- Orifice Size - 1 mm
- Port Connection - G 1/8”
- Nominal Pressure - 10 bar
- Maximum Differential Pressure - 5 bar
- Body Material - Stainless Steel
236 002
- Model - Standard-Design
- Orifice Size - 1 mm
- Port Connection - 1/8” NPT
- Nominal Pressure - 10 bar
- Maximum Differential Pressure - 5 bar
- Body Material - Brass
236 003
- Model - Standard-Design
- Orifice Size - 1 mm
- Port Connection - 1/8” NPT
- Nominal Pressure - 10 bar
- Maximum Differential Pressure - 5 bar
- Body Material - Stainless Steel
1 - 12 of 135 Part Numbers
Specifications
Ambient Temperature Range
- 55° C (131° F) - Max.
Approvals & Certifications
- DVGW
- UL
- UR
BSP Connection
- G 1/8” Female
Consumption
- Power: 2 W (up to DN 0.6)
- Power: 5 W (From DN 0.8)
Current
- Maximum
Differential Pressure
- psi: 0 to 145 (kPa: 0 to 1,000, bar: 0 to 10) - Max.
Duty Cycle
- 100 % Duty Cycle Continuous Rating
Electrical Connectors
- Cable Plug Typical 2507
- Lead Wires 300 mm
Electrical Contacts
- Normally Closed
Enclosure, Body Material
- Brass
- Stainless Steel
Environmental Protection
- IP65
Flow Rate
- Water: 0 to 0.090 Kvs (m³/hour)
Frequency
- PWM Frequency: 1,500 Hz
Hysteresis
- < 5 %
Media
- Neutral Gases & Liquids
Mounting Position
- Preferably with Actuator Upright
Nominal Pressure
- psi: 0 to 174 (kPa: 0 to 1,200, bar: 0 to 12)
NPT Connection
- 1/8” NPT Female
Orifice Size
- 0.001” to 0.944” (0.05 to 2 mm)
Power Supply
- 24 Vdc
Pressure Range
- psi: 0 to 174 (kPa: 0 to 1,200, bar: 0 to 12) Applicable for Technical Vacuum
Process Temperature
- -10° to 90° C (14° to 194° F)
Ratio
- Span - 1:200 (DN0.8 to 2)
- Span - 1:500 (DN0.05 to 0.6)
Repeatability
- Flow Measurement: < 0.25 % of Full Scale
Response Time
- < 15 milliseconds at (10-90 %)
Seat / Seal Material
- PCTFE
- Seal: EPDM
- Seal: FFKM
- Seal: FKM
Sensitivity
- Flow Measurement: < 0.1 % to < 0.25 % of Full Scale
Solenoid Type
- 2/2-Way