Spider Valves

 

Friction free flat armature with high durability and switching times in millisecond range

 

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Characteristics

- Frictionless movement
- Fast response times
- High cycle life
- Small Size


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Principle of operation

Instead of having a plunger which moves through a coil, Spider®-Valves have a flat armature that is pulled against the magnetic yoke in the energized position. The flat armature is fastened together with a leaf spring that presses the integrated sealing element against the valve seat in the de-energized position. Flat armature valves distinguish themselves according through practically frictionless movement throughout very high cycle life (depending upon application > 10^9) and, due to the very low mass of the armature, through switching times in the microsecond (ms) range. Therefore, they are applicable as quasi-proportional valves in that they can be driven with current pulses. The response time in switching can be varied as desired to attain variable flow rates (so called pulse width modulation).

 

Technical data

Body material
Stainless Steel (1.4305) Static pressure max. 20 bar
Inner parts
Stainless Steel (1.4310/1.4105) Voltage tolerance -15% ... +10%
Mounting direction free, preferred upwards Duty cycle up to 100%
Max. ambient temperature 50°C Voltage 24 V

 

Spider Valves
Spider Valves

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VA 204-105

Product no.: 604-000-365-A

Specific Data:

Size 21 mm
Orifice 4 mm
Port size Cartridge
Pressure range 0 - 2 bar
Power consumption 2,5 W
219.04 *

VA 204-506

Product no.: 604-000-315-B

Specific Data:

Size 15 mm
Orifice 1 mm
Port size Cartridge
Pressure range 0 - 8 bar
Power consumption 1,6 W
163.94 *

VA 204-716

Product no.: 604-000-309-C

Specific Data:

Size 7 mm
Orifice 0,5 mm
Port size Cartridge
Pressure range 0 - 8 bar
Power consumption 0,85 W
125.16 *

Mounting Block Ø 21 mm

Product no.: 561-000-027

For 21 mm Spider Valves

55.60 *

VA 204-103

Product no.: 604-000-316-C

Specific Data:

Size 21 mm
Orifice 2 mm
Port size Cartridge
Pressure range 0 - 8 bar
Power consumption 2,5 W
219.04 *

VA 204-508

Product no.: 604-000-709-A

Specific Data:

Size 15 mm
Orifice 2 mm
Port size Cartridge
Pressure range 0 - 1,5 bar
Power consumption 1,6 W
163.94 *

VA 204-718

Product no.: 604-000-317-C

Specific Data:

Size 7 mm
Orifice 1 mm
Port size Cartridge
Pressure range 0 - 3 bar
Power consumption 1,2 W
125.16 *

Mounting Block Ø 15 mm

Product no.: 565-000-059

For 15 mm Spider Valves

53.05 *

Mounting Block Ø 07 mm

Product no.: 567-000-090

For 7mm Spider Valves

50.55 *
* Prices without VAT or delivery