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The main difference between a piercing valve and ordinary cranes is that in an open state the internal cross section of the valve is equal to the cross section of the pipe and therefore the material can be transmitted without loss of performance.

An important feature is the closing speed, this occurs in a fraction of a second, because The process of extending is supplied with air.

Thanks to these characteristics, the Subsidious VM valves are widely used to block the flows of materials in pneumatic systems, on the supply of materials in the silo, in dosing, etc.

Technical characteristics and competitive advantages

• Small size
• Simple replacement of the wear -worn parts
• The transmitted material is in contact only with the inside
• Work pressure up to 3.5 atm.
• Swelling pressure up to 6.0 atm.
• Differential pressure up to 2.5 atm.

Options of puffy valves

The main characteristic is the inner section. Perhaps production:

1. 13mm
2. 20 mm
3. 25 mm
4. 32 mm
5. 40 mm
6. 50 mm
7. 65 mm
8. 80 mm
9. 100 mm
10. 125 mm
11. 150 mm
12. 200 mm

Options

• Explosion -protective performance on ATEC 22
• Selection of couplings depending on the material in the pneumatic system
• Different connecting flanges

Prices for typical piercing valves canView in the price list >>

Download Technical description of the peremnial valve >>

Photos of application

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A distinctive feature is that the VAB air flow switch operates in two directions – that is, you can change the directions of the presentation of materials. For example, you can serve a material of 2 silos in one dispenser or from one silos in two dispensers!

Also, the damper, which overlaps the flow of materials, changes very simply and quickly, which is important for pneumosystems with sands, cement and other abrasive materials, where rapid depreciation of the damper occurs.

Technical characteristics

• reliable body of aluminum alloy
• stainless steel
• operating temperature from -20 to +80C
• working pressure from -0.3 to +2 bar
• possible diameters of 50 mm – 65 mm – 80 mm – 100 mm – 125 mm – 150 mm – 200 mm

Drive options

• (typical) pneumatic drive
  CP063 (for VAB 50 to VAB 125) – CP101 (VAB 150 – VAB 200) + MIC23 microwter to determine the position open / closed.
  Voltage options: 24 V AC, 24 V DC, 110 V AC, 230 V AC;
• AE4011 electric drive (for VAB50 – VAB125) – AE5011 (for VAB150-VAB200)
  

  Voltage options: 230/400 V AC 50/60 Hz

• Manual drive (CM4 for all sizes)

Options

• flanges of any sizes for DIN or Torex
• Explosion -proof execution of ATEX Certification for Group II CAT. 1D/3D C T 135 ° C