Cooling Tower for Instruments with Diaphragm Seal

TEMPRESS COOLING TOWER FOR PRES-SURE GAUGES AND PRESSURE TRANS-MITTERS WITH DIAPHRAGM SEAL

Temperature of media up to 300°C
Minimum influence on accuracy
Maximum pressure 150 bar

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Specifications

Cooling tower
Material	AISI 316
Media temperature:	-40°C … +300°C
Indication error – have influence from	– media temperature – ambient temperature – wind speed
Transmission fluid:	Glycerine 90/10 ≤130°C, max. temperature ˂100 bar, max. pressure Glycerine  ≤200°C, max. temperature ˂100 bar, max. pressure Silicone oil DC550 ≤300°C, max temperature ˂150 bar, max pressure
Pressure range:	-1 bar … +150 bar (vacuum see page 2)
Fixed diaphragm 1): Welded diaphragm2):	Max. media temp. 220°C Max. media temp. 300°C
1) see data sheet 2) see data sheet	1-602, 610, 615, 650, 690, 768, 820, 825 1-829, 830, 840, 842, 855 1-635, 770, 771, 779, 823, 833, 834, 844 1-875, 876, 877, 883, 884

Cooling Tower for Instruments with Diaphragm Seal

APPLICATION

The TEMPRESS cooling tower for pressure gauges and pressure transmitters with diaphragm seal makes it possible to mount the instruments on processes with very high temperatures in the media, up to 300°C. The indication error for instruments with a cooling tower depends on a number of factors, but especially the ambient temperature and the wind speed

The chilling ribs reduce the influence from the media temperature significantly, which is very important, as the temperature in the instrument case is crucial for the size of the indication error.

By a ambient temperature of 23°C, a wind speed of 0 m/s and a tempera-ture in the media of 200°C the temperature at the top of the cooling tower will be approx. 52°C and the indication error ˂60 mbar.

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Single contact

(1 contact point)

Avaliable contact types:

KN,KM,KE and KI

Contact Function : Break

Contact Function : Close

Contact Function : Shift

Contact Function Separate Circuits : Break

Contact Function Separate Circuits : Close

Double contact

(2 contact points)

Avaliable contact types:

KN,KM,KE and KI

Shift contact

(2 contact points switch function)

Avaliable contact types:

KN and KM

Double contact

(2 contact pointers seperate Circuits)

Avaliable contact types:

KN and KM

Triple contact

(3 contact pointers)

Avaliable contact types:

KN and KM

Triple contact

(3 contact pointers)

Avaliable contact types:

KN and KM

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