TEMPERATURE-RESISTANT MINI DIAPHRAGM GAS SAMPLING PUMPS DATA SHEET E 074

TEMPERATURE-RESISTANT MINI DIAPHRAGM GAS SAMPLING PUMPS DATA SHEET E 074
DATA SHEET E 074
TEMPERATURE-RESISTANT MINI
DIAPHRAGM GAS SAMPLING PUMPS
Temperature-resistant diaphragm pump
with raised pump head. With this design,
there is little heat transfer to the pump
housing when hot gases are pumped.
N 86 ST.16E
Concept
Features
Areas of use
The temperature-resistant and heated
diaphragm vacuum pumps from KNF are
based on a simple principal - an elastic
diaphragm, fixed on its edge, moves up
and down its central point by means of
an eccentric. In this way the medium is
transferred using automatic valves.
Uncontaminated flow of the media (oilfree operation)
Diaphragm pumps have become the
standard in many analytical applications.
Based on their design, they work without
any lubrication.
No maintenance required
Easy access to the pump head
Often hot gases need to be analyzed,
and the gas must not be allowed to cool
down when it is transferred from the
source being checked, to the analyzer
as the constituent parts could condense
out, leading to faulty results. To overcome
these problems hot gases are pumped
using diaphragm pumps with temperatureresistant pump head.
Gas tight:
Leakage < 6 x 10-3 mbar x l/s
This pump is a temperature-resistant version up to 240 °C without a heater (for
diaphragm gas pumps with pump head
heater, see data sheet E 076).
There is a choice of pump drives ranging
from a selection of AC motors to explosion-proof models.
Type
Delivery
(l/min)
Vacuum
(mbar absolute)
N 86 AT.16E
6
290
N 86 ST.16E
6
290
atm. press.
Performance data
Pressure
(bar g)
Weight
(kg)
1.5
1.30
1.5
1.52
N 86 AT.16E l N 86 ST.16E
Performance data
Type
Delivery
at atm. pressure
(l/min)1)
6
6
N 86 AT.16E
N 86 ST.16E
1)
Max. operating
pressure
(bar g)
1.5
1.5
Ultimate
vacuum
(mbar abs.)
290
290
Vacuum
atm. Press.
Pressure
Liter at STP
Protection class
Flow capacity l/min
(Liter at STP)
Motor data
IP 00
Voltage (V)
Frequencies (Hz)
Power P1 (W)
lmax (A)
230
50
60
0.7
Pump material
Type
N 86 AT.16E
N 86 ST.16E
Pump head
Diaphragm
Valves
Aluminum
Stainless steel
PTFE
PTFE
PTFE
PTFE
mbar abs.
bar g
direction of rotation
HINTS ON FUNCTION, INSTALLATION AND TECHNIQUE
Function of KNF diaphragm
vacuum pumps and compressors
An elastic diaphragm is moved up and
down by an eccentric (see illustration).
On the down-stroke it draws the air or gas
being handled through the inlet valve. On
the up-stroke the diaphragm forces the
medium through the exhaust valve and out
of the head. The compression chamber
is hermetically separated from the drive
mechanism by the diaphragm. The pumps
transfer, evacuate and compress completely oil-free.
Hints on installation and
operation
■■ Install the pump so that the fan can draw
in sufficient cooling air.
■■ Range of use: Transfering air and
gases at temperatures between
+5 °C and +240 °C.
■■ Fit the pump at the highest point in the
system, so that condensate of the tubing
cannot flow to in the pump head.
■■ Permissible ambient temperature:
between +5 °C and +40 °C.
■■ The standard pumps are not suitable for
use in areas where there is a risk of explosion. In these cases there are other
products in the KNF program - please
ask us for details.
■■ The pumps are not designed to start
against vacuum. Pumps that start
against pressure are available on request.
■■ To prevent the maximum operating
pressure being exceeded, restriction
or regulation of the air flow should only
be carried out in the suction line.
■■ Components connected to the pump
must be designed to withstand the pneumatic performance of the pump.
KNF reserves the right to make technical changes.
KNF Neuberger GmbH
Pumps + Systems
Alter Weg 3
D-79112 Freiburg, Germany
Tel. +49 7664 5909 0
Fax +49 7664 5909 99
[email protected]
www.knf.de
KNF 02/2015 (Produced in Germany)
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