Pressure Measurement

VEGABAR 81 Pressure transmitter with chemical seal

Name: VEGABAR 81 Pressure transmitter with chemical seal
Brand: VEGA
SKU: 1568
Availability: InStock

$1,500.00

With chemical seal, for high temperatures

Product catalog Process pressure

Product information VEGABAR 81, 82, 83

Specification sheet VEGABAR 81

Operating instructions VEGABAR 81

Category: Pressure Measurement Tags: Pressure sensor, Pressure switch Brand: VEGA

VEGABAR 81
Pressure transmitter with chemical seal

Application area

Reliable measurement of highly corrosive and hot media. Can be combined with any other sensor of VEGABAR Series 80 for electronic differential pressure measurement.

The VEGABAR 81 is a pressure transmitter with chemical seal for pressure and level measurement. The chemical seal systems of VEGABAR 81 adapted to the process, ensure a reliable measurement even with highly corrosive and hot products. The simple connection of VEGABAR series 80 sensors as electronic differential pressure opens new possibilities for the measurement of differential pressures.

Your benefit

Simple adaptation thanks to various configuration options
Reliable measurement with temperatures up to 400 °C
Reliable measurement independent of foam generation or tank installation

Pressure transmitter with chemical seal for hot and chemically aggressive media

The pressure transmitter VEGABAR 81 with chemical seal system demonstrates its capability especially in high temperatures and aggressive media. A wide range of diaphragm materials and coatings make this pressure transmitter an essential instrument across many sectors, particularly in the chemical and petrochemical industries.
The pressure transmitter with chemical seal delivers reliable measurement data for feedback control systems or protective equipment, e.g. for

continuous monitoring of process pressure in reactors
exhaust pressure of flue gas, e.g. in waste incineration
pipeline pressure in dairies
steam pressure control in steam drums
pressure monitoring in LNG tanks

Measuring range - Pressure	-1 … 1000 bar [Bar – kPa – psi]
Process temperature	-90 … 400 °C [°C – °F]
Accuracy	0.2 % 0.1 %
Materials, wetted parts	Alloy C22 (2.4602) Alloy 400 (2.4360) Tantalum Alloy C276 (2.4819) Duplex (1.4462) Titanium Grade 2 (3.7035) 1.4435 316/316L Titanium Grade 7 (3.7235)
Threaded connection	≥ G½, ≥ ½ NPT
Hygenic fittings	Clamp ≥ 1" – DIN32676, ISO2852 Slotted nut ≥ 1½", ≥ DN40 – DIN 11851 hygienic fitting with tension flange DN32 hygienic fitting F40 with compression nut Hygienice flange connection ≥ DN50 DIN11864-2 Hygienic fittings ≥ DN40 – DIN11864-1-A
Seal material	no media contact
Housing material	Plastic Aluminium Stainless steel (precision casting) Stainless steel (electropolished)
Protection rating	IP66/IP68 (0,2 bar) IP66/IP67 IP66/IP68 (1 bar) IP66/IP68 (25 bar) IP69
Output	Profibus PA Foundation Fieldbus 4 … 20 mA Two-wire: 4 … 20 mA/HART Modbus Secondary electronics for electronic differential pressure
Ambient temperature	-40 … 80 °C
Scope	ATEX / Europe CSA / Canada FM / USA EAC (GOST) / Belarus EAC (GOST) / Kazakhstan EAC (GOST) / Russia IEC / worldwide NEPSI / China UKR Sepro / Ukraine INMETRO / Brazil CCOE / India CSA / USA and Canada
Explosion protection	Intrinsic safety "i" Flameproof enclosure "d" Dust ignition protection "t"
Foodstuffs/Pharma	FDA EG1935/2004
Ship approval	ABS BV CCS DNV LR RINA
Overfill protection	WHG VLAREM II
SIL qualification	SIL2
Adjustment	PLICSCOM PC, PACTware and DTM HART-Communicator Software (e. g. AMS™, PDM)
Indication	Display/adjustment module PLICSCOM VEGADIS 81 VEGADIS 82

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VEGABAR 81 Pressure transmitter with chemical seal