ATEX HDPE & PTFE Diaphragm Pump

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Tapflo’s ATEX HDPE & PTFE Diaphragm Pump is manufactured from solid block conductive (Carbon filled) plastic meaning it can be supplied for use within equipment group IIG (gas), Cat 2 (Zone 1).

The conductive material ensures that no electrostatic loads will accumulate within the pump and the conductive pigments in the material reduce the surface resistance to less than 105 W, these pigments are what cause the black colouring.

The colouring does not affect the chemical resistance of the thermoplastics. Diaphragms supplied can be PTFE with conductive back or EPDM which is conductive. The pump has an earth connection which earths electrostatic loads. This ATEX range is available across the full-size range of Tapflo HDPE & PTFE pumps.

WHAT is an ATEX HDPE & PTFE DIAPHRAGM PUMP?

The ATEX directive (also known as ATEX 100a) is applicable on products used in hazardous areas such as those subject to explosions, like our ATEX Diaphragm Pump in HDPE & PTFE. This directive also covers non-electrical products, like our Air Operated Diaphragm Pumps.

Since July 2003, it is now mandatory to have an ATEX Certificate on products which are intended for use in EX-zones (within the EU). There are three main categories (zones) in the ATEX directive:

  • - CAT 1 (zone 0), flammable material present continuously or for long periods
  • - CAT 2 (zone 1), flammable material present occasionally in normal operation
  • - CAT 3 (zone 2), flammable material present in abnormal conditions for short periods

The Tapflo TX ATEX HDPE & PTFE Diaphragm Pump is constructed from conductive (carbon filled) plastic, HDPE or PTFE, and can be supplied for use within Equipment group IIG (gas), Cat 2 (Zone 1). The conductive material ensures that no electrostatic loads will accumulate within the pump. The conductive pigments in the material reduce the surface resistance to less than 105 W. The pigments, causing the black colour, do not affect the chemical resistance of the thermoplastics that the pump is made from.

The TX ATEX HDPE & PTFE Pump has diaphragms in PTFE (with conductive back) or EPDM (conductive). An earth connection is mounted on the pump, for earthing of electrostatic loads. The TX variant can be supplied across all sizes of Tapflo pumps.

Additional Information

Drive Type

Pneumatic

Flow Rate

up to 820 l/min

Pressure

up to 16 Bar

Material

Aluminium, Cast Iron, PE & PTFE, Stainless Steel AISI 316L

Self-Priming

Yes

Solids Handling

up to 100mm

Viscosity

0-200+ cSt

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