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6240 Servo-Assisted 2/2-Way Piston Solenoid Valve

Brand: Burkert Fluid Control Systems

The 6240 valve is a servo-assisted plunger valve. The stopper and plunger guiding tube are welded together to enhance pressure resistance and leak-tightness. Various seal material combinations are available depending on the application.

The housing design and surface quality enable maximum flow rates. The coils are moulded with chemically resistant epoxy. An optional sliding ring bearings increases the life cycle with dry gases.

Kick and Drop electronics are available for over-excitation (plug 2511) and reduced electrical power consumption in operation.

In combination with a plug in accordance with DIN EN 17301-803 Form A, the valves satisfy protection class IP65. Stainless steel valves satisfy NEMA 4X.
Features
  • Servo-assisted and compact piston valve with diameter of up to DN12
  • Vibration-resistant, screwed coil system
  • Increased leak-tightness with welded plunger guiding tube
  • Safe opening with hard-coupled piston system
  • Explosion proof versions

1 - 12 of 34 Part Numbers
177 800
177 800
  • Model - Valve with FKM Seal Material
  • Body Material - Brass
  • Port Connection / Orifice - G 1/4” / 6 mm
  • Voltage / Frequency - 24 Vdc
177 801
177 801
  • Model - Valve with FKM Seal Material
  • Body Material - Brass
  • Port Connection / Orifice - G 1/4” / 6 mm
  • Voltage / Frequency - 24 V, 50 Hz
177 802
177 802
  • Model - Valve with FKM Seal Material
  • Body Material - Brass
  • Port Connection / Orifice - G 1/4” / 6 mm
  • Voltage / Frequency - 230 V / 50 Hz
177 803
177 803
  • Model - Valve with FKM Seal Material
  • Body Material - Brass
  • Port Connection / Orifice - G 3/8” / 6 mm
  • Voltage / Frequency - 24 Vdc
177 804
177 804
  • Model - Valve with FKM Seal Material
  • Body Material - Brass
  • Port Connection / Orifice - G 3/8” / 6 mm
  • Voltage / Frequency - 24 V, 50 Hz
177 805
177 805
  • Model - Valve with FKM Seal Material
  • Body Material - Brass
  • Port Connection / Orifice - G 3/8” / 6 mm
  • Voltage / Frequency - 230 V / 50 Hz
177 806
177 806
  • Model - Valve with FKM Seal Material
  • Body Material - Stainless Steel
  • Port Connection / Orifice - G 1/4” / 6 mm
  • Voltage / Frequency - 24 Vdc
177 807
177 807
  • Model - Valve with FKM Seal Material
  • Body Material - Stainless Steel
  • Port Connection / Orifice - G 1/4” / 6 mm
  • Voltage / Frequency - 24 V, 50 Hz
177 808
177 808
  • Model - Valve with FKM Seal Material
  • Body Material - Stainless Steel
  • Port Connection / Orifice - G 1/4” / 6 mm
  • Voltage / Frequency - 230 V / 50 Hz
184 739
184 739
  • Model - High Temperature Version, All Valves with PTFE/PEEK Seal, Stainless Steel Body, without Cable Plug
  • Process Temperature / Port Connection / Orifice - -40° to 180° C (-40° to 356° F) / G 1/4” / 6 mm
  • Voltage / Frequency - 24 Vdc
184 740
184 740
  • Model - High Temperature Version, All Valves with PTFE/PEEK Seal, Stainless Steel Body, without Cable Plug
  • Process Temperature / Port Connection / Orifice - -40° to 180° C (-40° to 356° F) / G 1/4” / 6 mm
  • Voltage / Frequency - 24 V, 50 Hz
184 741
184 741
  • Model - High Temperature Version, All Valves with PTFE/PEEK Seal, Stainless Steel Body, without Cable Plug
  • Process Temperature / Port Connection / Orifice - -40° to 180° C (-40° to 356° F) / G 1/4” / 6 mm
  • Voltage / Frequency - 230 V / 50 Hz
1 - 12 of 34 Part Numbers

Specifications

Ambient Temperature Range

  • Maximum

Approvals & Certifications

  • ATEX: PTB 14-ATEX-2023 x II 2 G Ex Mb IIC T4 Gb II 2D Ex Mb IIIC T1 35° C (95° F) Db, EPS 16-ATEX-1046 x II 2 G Ex Eb Mb IIC T4 Gb II 2D Ex Mb Tb IIIC T130° C (266° F) Db
  • Gas Transportation DIN EN 3394-1
  • IECEx PTB 14.0049 x Ex Mb IIC T4 Gb Ex Mb IIIC T1 35° C (95° F) Db, 16.0021 x Ex Eb Mb IIC T4 Gb Ex Mb Tb IIIC T130° C (266° F) Db

BSP Connection

  • G 1/2” Female
  • G 1/4” Female
  • G 3/8” Female
  • 1/4” BSPT Female
  • 3/8” BSPT Female

Cable Material

  • Polyolefin Copolymer Crosslinked Electron Beam

Consumption

  • Power Consumption (AC): 18-37 VA / W (Hold)
  • Power Consumption (AC): 32 to 105 VA (Inrush)
  • Power Consumption (AC): 8-18 W (Hold)
  • Power Consumption (DC): 10-16 W (Hot Coil)
  • Power Consumption (DC): 12-21 W (Cold Coil)

Duty Cycle

  • 100 % Continuous Rating

Electrical Connectors

  • 3 metres Moulded Cable
  • Tag Connector According DIN EN 175 301-803 Form A for Cable Plug Typical 2508

Electrical Contacts

  • Normally Closed

Enclosure, Body Material

  • 316L Stainless Steel, 1.4401
  • Brass

Environmental Protection

  • Explosion-proof
  • IP65 with Cable Plug
  • IP66
  • NEMA 4X with Cable Plug 2508 or 2509 - Stainless Steel Version

Flow Rate

  • Water: 0.6 to 2.2 Kv (m³/hour)

Insulation

  • Coil Insulation Class H

Materials of Construction

  • Armature Guide Tube: 305 Stainless Steel, 1.4303
  • Coil: Epoxy
  • Junction Box: Aluminum
  • Safety Lock: Polyphenylene Sulfide
  • Stopper, Core: 434 Stainless Steel (1.4113)

Media

  • Compressed Air
  • Hydraulic Oil
  • Neutral Liquids & Gases
  • Steam (High Temperature)
  • Water

Mounting Position

  • Preferably with Actuator Upright

NPT Connection

  • 1/4” NPT Female
  • 3/8” NPT Female

Nut & Bolt Material

  • Nut: 303 Stainless Steel, 1.4305
  • Nut: PTFE - Stainless Steel Version
  • Nut: Steel (Surface Finish Thick Film Passivated) - Brass Version

Operating Voltages

  • 230 V / 50 Hz
  • 24 V / 50 Hz
  • 24 Vdc

Orifice Size

  • 0.236” to 0.472” (6 to 12 mm)

Piston Material

  • 303 Stainless Steel, 1.4305
  • Brass
  • EPDM
  • FKM - High Pressure Versions
  • PEEK
  • PTFE Carbon-Filled - High Temperature, Pressure Versions
  • Stainless Steel

Pressure Range

  • psi: 0 to 40 (kPa: 0 to 275, bar: 0 to 2.75)

Process Temperature

  • EPDM: -30° to 120° C (-22° to 248° F)
  • FKM: -10° to 140° C (14° to 284° F)
  • PTFE / PEEK (DN 12): -40° to 140° C (-40° to 284° F)
  • PTFE / PEEK (DN 6): -40° to 180° C (-40° to 356° F)

Response Time

  • Closing: 40 to 100 milliseconds (Pressure Decrease 100 to 10 %)
  • Opening: 10 to 40 milliseconds (Pressure Build-Up 0 to 90 %)

Ring Material

  • Guide Ring: PTFE Carbon-Filled
  • Shading Ring: Copper
  • Shading Ring: Silver

Seat / Seal Material

  • Seal: EPDM - High Pressure Versions
  • Seal: FKM - High Temperature Versions
  • Seal: PEEK - High Temperature Versions
  • Seal: PTFE - High Temperature Versions

Size

  • Coil Size: 1.259” to 1.653” (32 to 42 mm)

Solenoid Type

  • 2/2-Way

Spring Material

  • 301 Stainless Steel, 1.4310

Tolerance

  • Voltage Tolerance: ± 10 %

Viscosity

  • Maximum
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