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Displacement Pump for Aggressive Gases with Condensate

Displacement Pump for Aggressive Gases with Condensate
Application area Gas analysis and gas measuring technology, process technology and... more

Application area

Gas analysis and gas measuring technology, process technology and engineering, air conditioning and ventilation technology, environmental and hygiene technology, biotechnology

Product specification

Highly robust sample gas pump for delivery of aggressive gases and gas mixtures according to the displacement principle. The pump is fitted with a bellows and therefore excellently suitable also for delivery of gases with entrained liquid.

Due to its special bellows construction, the pump features a far longer service life compared to diaphragm pumps especially when delivering gases with entrained liquid.

The bellows is made of one solid piece and consists of PTFE.

Very robust design.

Manufactured with high precision, thus minimum noise emission and high quietness of running.

Valves made of PTFE (polytetrafluoroethylene) and PEEK (polyether-etherketone) for highest resistance to chemically aggressive media as well as high thermal loading capacity.

Pump head made of PTFE with highest resistance to chemically aggressive media. PTFE is flexible compared with stainless steel, thus this design is advisable for the delivery of gases in tubed analytical systems.

Pump head made of stainless steel 1.4571 allows highest gas tightness and outstanding mechanical robustness. The pump is suitable for delivery of gases in piped analytical systems.

Optionally with bypass valve in the pump head for rough regulation of the delivery rate to specified values <100 %.

Support console with vibration dampers for easy installation.

Easy to replace valves.

The plastics PTFE and PEEK are highly resistant to countless aggressive media and reagents. Below are given the flue gases important in heating engineering and fuel technology as well as the acids usually resulting as aggressive condensates from the reaction of flue gases with water.

Nitrogen oxides NOx

Concentrated nitric acid HNO3

Nitrous acid HNO2

Anhydrides such as SO2 and SO3

Concentrated sulfuric acid H2SO4

Sulfurous acid H2SO3

A resistance table is available on request

Technical specification


Bellows: PTFE

Valves: PEEK

Pump head: PTFE or stainless steel 1.4571, PTFE with bypass valve for rough regulation of the volume flow

Drive system:

Voltage: 230 V~ / 50-60 Hz

Amperage: 0.8 A (0.85 A)

Power consumption: 90 W

Motor speed: 1440 rpm

Protective system: IP 54

Delivery rate acc. to delivery characteristic:

against atm. pressure: approx. 800 Nl/h

at suction side at -0.6 bar: approx. 100 Nl/h

at pressure side at +0.2 bar: approx. 520 Nl/h

Max. temperature of medium: +160 °C (valves made of PEEK)

Max. ambient temperature: +60 °C

Dead volume: 8.5 ml

Internal thread: G 1/4"

Pipe connection: for tubing DN 4/6

Dimension: 262 x 125 x 248 mm (H x W x D)

Weight: 6.5 kg

Regulations: manufactured according to DIN EN ISO 9001

No additional information available.
Item Image Max. delivery rate
Werkstoff Pumpenkopf Werkstoff Ventilplatte max. Temp.
800 PTFE PEEK 140 1 3,782.00
800 Edelstahl PEEK 140 1 4,442.00
800 PTFE PEEK 140 1 4,260.00