N 87 TT.9E Ex

Flow rate (at atm. pressure)

7.5

l/min

Vacuum

140

mbar abs.

Pressure

1.5

bar g

KNF N 87 TTE Ex - Ex-proof Pump with ATEX/IECEx Compliance

Emission Measurement Pumps to ATEX and IECEx

KNF N87 TT.9E Ex is an explosion-proof diaphragm gas pump compatible with the ATEX Directive and IECEx, offering exceptional gas-tightness — approximately 6×10^-3 mbar l/s (not tested in serial production).

The special valves ensure minimum resistance to flow. Additionally, the stress-optimized structured diaphragm is equipped with this pump series, making KNF N 87 TT.9E Ex a durable, robust product of high pneumatic performance.

For details, please contact us.

Features
- Explosion-proof versions to ATEX/IECEx
- Minimized pneumatic loss
- Chemically resistant
- Long service life
- Maintenance free
- Can operate in any installed position
- Uncontaminated flow due to oil-free operation
- Ready for assembly
- High level of gas tightness, approx. 6×10^-3 mbar × l/s (not tested in serial production)

Technical Details

Flow rate l/min at atm. pressure	7.5
Ultimate vacuum mbar abs.	140
Operating pressure bar g	1.5
Permissible ambient temperature °C	+5° to +40°C
Motor protection	IP 66
Weight kg	7.0 kg
Protection for pump parts	Ex II 2G c IIB + H2 T4 X
Protection for AC motor	Ex II 2G Ex db IIC T4

Materials
- Pump head: PVDF
- Diaphragm: PTFE-coated
- Valves: FFPM
Accessories
Title Order No.
Inserted screw connection D 6 PVDF, G 1/8 014049
Hose connector for tube ID 6 PVDF, G 1/8 123363

Title		Order No.
Inserted screw connection D 6	PVDF, G 1/8	014049
Hose connector for tube ID 6	PVDF, G 1/8	123363

Related Products

Model Current	Flow rate (at atm. pressure)l/min	Vacuummbar abs.	Pressurebar g
N 87 TT.9E Ex	7.5 l/min Flow rate (at atm. pressure) l/min	140 mbar abs. Vacuum mbar abs.	1.5 bar g Pressure bar g	Learn more
N 186.1.2 AT/ST.9E Ex	48 l/min Flow rate (at atm. pressure) l/min	100 mbar abs. Vacuum mbar abs.	4 bar g Pressure bar g	Learn more
N 143 AT/ST.9E Ex	27 l/min Flow rate (at atm. pressure) l/min	100 mbar abs. Vacuum mbar abs.	4 bar g Pressure bar g	Learn more
N 726 FTE Ex	13 l/min Flow rate (at atm. pressure) l/min	53 mbar abs. Vacuum mbar abs.	1.5 bar g Pressure bar g	Learn more
N 726 FT.29E Ex	7–13 l/min Flow rate (at atm. pressure) l/min	Down to 125 mbar abs. Vacuum mbar abs.	Up to 1.5 bar g Pressure bar g	Learn more

More products available on the category page:

OEM ATEX-Compliant Pumps

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+886 2 27941000 09:00–17:30, Monday to Friday (UTC+8, except public holidays in Taiwan)

Contact Details

OEM ATEX-Compliant Pumps

N 87 TT.9E Ex

Flow rate (at atm. pressure)

Vacuum

Pressure

Emission Measurement Pumps to ATEX and IECEx

Related Products

N 87 TT.9E Ex

N 186.1.2 AT/ST.9E Ex

N 143 AT/ST.9E Ex

N 726 FTE Ex

N 726 FT.29E Ex

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