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3275 2/2-Way Motor Valve
Brand: Burkert Fluid Control Systems
Type 3275 is a direct-acting and general-purpose motor valve for shut-off, used as regulating unit in control loops. A stepper motor as actuator drives the valve which is incorporated in a compact and robust housing.
The integrated electronics simplify the process integration; additional actuation modules are not necessary.
The drive shaft shifts a very smooth ceramic disc over a second fixed ceramic disc. The fixed ceramic disc is simultaneously the valve seat. By turning the ceramic disc the valve opens. The seat tightness is achieved by the very smooth surface of the stacked ceramic discs.
In case of power failure the actual valve position will be kept. Therefore, this valve is not suitable as safety shut-off valve. If a specific safety position in case of power failure is required, this can be realized by using an external buffer module.
The motor’s power consumption in opened or closed position is nearly zero. This key feature can reduce the energy consumption of a plant dramatically and thus make it more efficient.
1 - 12 of 41 Part Numbers
269
- Orifice Size - 8 mm
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 1.8 (m³/hour) / 6 (barg)
- Material - Brass
269 164
- Orifice Size - 8 mm
- Port Connection - G1/2”
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 1.8 (m³/hour) / 6 (barg)
- Material - Brass
269 165
- Orifice Size - 10 mm
- Port Connection - G1/2”
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 2.5 (m³/hour) / 6 (barg)
- Material - Brass
269 166
- Orifice Size - 12 mm
- Port Connection - G 3/4”
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 3.9 (m³/hour) / 6 (barg)
- Material - Brass
269 167
- Orifice Size - 15 mm
- Port Connection - G 3/4”
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 5.4 (m³/hour) / 6 (barg)
- Material - Brass
269 168
- Orifice Size - 20 mm
- Port Connection - G 1”
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 8.1 (m³/hour) / 6 (barg)
- Material - Brass
269 170
- Orifice Size - 8 mm
- Port Connection - G1/2”
- Seal Material - NBR
- Flow Rate / Nominal Pressure - 1.8 (m³/hour) / 6 (barg)
- Material - Brass
269 171
- Orifice Size - 10 mm
- Port Connection - G1/2”
- Seal Material - NBR
- Flow Rate / Nominal Pressure - 2.5 (m³/hour) / 6 (barg)
- Material - Brass
269 173
- Orifice Size - 12 mm
- Port Connection - G 3/4”
- Seal Material - NBR
- Flow Rate / Nominal Pressure - 3.9 (m³/hour) / 6 (barg)
- Material - Brass
269 174
- Orifice Size - 15 mm
- Port Connection - G 3/4”
- Seal Material - NBR
- Flow Rate / Nominal Pressure - 5.4 (m³/hour) / 6 (barg)
- Material - Brass
269 175
- Orifice Size - 20 mm
- Port Connection - G 1”
- Seal Material - NBR
- Flow Rate / Nominal Pressure - 8.1 (m³/hour) / 6 (barg)
- Material - Brass
269 177
- Orifice Size - 8 mm
- Port Connection - G1/2”
- Seal Material - FKM
- Flow Rate / Nominal Pressure - 1.8 (m³/hour) / 6 (barg)
- Material - Stainless Steel
1 - 12 of 41 Part Numbers
Specifications
Ambient Temperature Range
- -10° to 60° C (14° to 140° F)
BSP Connection
- G 1” Female
- G 1/2” Female
- G 3/4” Female
Consumption
- Power: 1 W (Holding Position)
- Power: 12 W, Max.
Cover Material
- Fluid: Polyphenylene Sulfide (PPS)
Disc Material
- Control, Fixed Seat: Ceramic
Duty Cycle
- 100 % Duty Cycle (Depending on Fluid & Ambient Temperature)
Electrical Connectors
- M12 Connector, 8-Pin, Male
Enclosure, Body Material
- Fluid: Brass
- Fluid: Stainless Steel
- Valve: Polycarbonate (PC)
- Valve: Polyphenylene Sulfide (PPS)
Environmental Protection
- IP50
Flow Rate
- 1.8 to 9.6 m³/hour (Kvs) - Water
Indication
- LED
Input
- 0-5 V (Log 0, Valve Closed)
- 10-30 V (Log 1, Valve Open)
Media
- Liquids
- Neutral Gas
Mounting Position
- Preferably with Actuator Upright
Nominal Pressure
- psig: 87 (kPa: 600, bar: 6)
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 3/4” NPT Female
O-Ring Material
- FKM
- NBR
Orifice Size
- 0.31” to 0.98” (8 to 25 mm)
Output
- Load Capacity: 100 mA - Max.
- Load Capacity: 10-30 V
Power Supply
- 24 Vdc ± 10 %, Max.
Pressure Range
- psi: 0 to 90 (kPa: 0 to 600, bar: 0 to 6) - Overpressure with Respect to Atmospheric Pressure
Process Temperature
- Fluid Temperature: 0° to 70° C (32° to 158° F)
Response Time
- Closure Time: 4 seconds
Seat / Seal Material
- Ceramic
- FKM
- NBR
Shaft Material
- Actuator: Stainless Steel
Shaft Seal Material
- Actuator: FKM
- Actuator: NBR
Spring Material
- Stainless Steel