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Process Clogging Indicators

Process clogging indicators

HYDAC clogging indicators are designed to indicate visually and/or electrically when the filter elements must be changed or cleaned. Differential pressure indicators are used on all process filters. They react to the pressure differential between the filter inlet and the filter outlet, which rises as the level of contamination in the filter element increases.

  • Differential pressure indicators
  • Visual, electrical or analogue differential pressure signal
  • Wide range of pressure settings
  • Optional electrical ATEX indicator

PVD

PVD x B.x

Type of indication:

  • Visual
  • red / green band
  • Automatic reset

Weight: 110 g

Cracking pressure or indication range:

  • 1 bar +/-10 %
  • 1.5 bar +/-10 %
  • 2 bar +/-10 %
  • 3 bar +/-10 %
  • 5 bar +/-10 %
  • 8 bar +/-10 %

Perm. operating pressure: 420 bar

Perm. temperature range: -20 °C to + 100 °C

Thread: G1/2

Max. torque value: 100 Nm

Order example: PVD 2 B.1

 

PVD x C.x

Type of indication: Electrical switch

Weight: 220 g

Cracking pressure or indication range: 

 

  • 1 bar +/-10 %
  • 1.5 bar +/-10 %
  • 2 bar +/-10 %
  • 3 bar +/-10 %
  • 5 bar +/-10 %
  • 8 bar +/-10 %

Perm. operating pressure: 420 bar

 

Perm. temperature range: -20 °C  to +100 °C

Thread: G1/2

Max. torque value: 100 Nm

Switching type: N/C or N/O (change-over contacts)

Max. swichting voltage: 230 V

Electrical connection: Male connection M20x1.5 acc. EN50262 Female connector acc. DIN 43650

Max. switching voltage at resistive load: 60 W = 100 VA ~

Protection class acc. DIN 40050: IP 65 (only if the connector is wired and fitted correctly)

Order example:

PVD x D.x/-L...

Type of indication: Visual indicator and electrical switch

Weight: 250 g

 

Cracking pressure or indication range: 

  • 1 bar +/-10 %
  • 1.5 bar +/-10 %
  • 2 bar +/-10 %
  • 3 bar +/-10 %
  • 5 bar +/-10 %
  • 8 bar +/-10 %

Perm. operating pressure: 420 bar

 

Perm. temperature range: -20 °C  to +100 °C

Thread: G1/2

Max. torque value: 100 Nm

Switching type: N/C or N/O (change-over contacts)

Max. switching voltage: 24 / 48 / 110 / 230 V depending on the light insert

Electrical connection: Male connection M20x1.5 acc. EN 50262 Female connector acc. DIN 43650

Max. switching voltage at resistive load: 60 W = 100 VA ~

Switching capacity: Ohmic 3 A at 24 V = Ohmic 0.03 to 5 A at max. 230 V ~

Protection class acc. DIN 40050:  IP65 (only if the connector is wired and fitted correctly)

Order example: PVD 2 D.0 /-L24

PVD 5 C.0

 

PVL

PVL x GW
 

  • Pmax. 25 bar
  • Pressure setting: 0.5 / 1 / 1.5 / 2 / 3 / 5

DS

Differential pressure gauge DS11

Type of indication:

  • 2 microswitches
  • 1-pole change-over contacts
  • can be adjusted manually to recommended set values

Weight: 1.2 - 3.5 kg

Cracking pressure or indication range: 

  • 0 - 1.6 bar
  • 0 - 4 bar on request

Perm. operating pressure:

  • 25 bar
  • 40 bar on request

Perm. temperature range: -10 °C to +100 °C

Thread: G 1/4

Switching type: Change-over contacts

Max. switching voltage:

  • U~max = 250 V AC
  • U~max = 30 V DC

Electrical connection:

  • Hard-wired numbered cable
  • cable connector
  • 7 pole plug-in connection

Max. switching voltage at resistive load:

  • Imax = 5 A / Pmax. = 250 VA
  • Imax = 0.4 A / Pmax. = 10 W

Protection class to DIN 40050: IP 55

Order numbers:

  • Pressure chamber aluminium: 639311
  • Pressure chamber in stainless steel: 639586

 

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