Brooks Instrument GT 1305, Инструкция по установке и эксплуатации

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Installation and Operation Manual
X-VA-1305-1306-eng-eu
PN 541-C-029-AAG
April, 2008
Models GT 1305 & 1306
5
Section 1: Introduction
1-1 Description
The GT 1305 and GT 1306 flowmeters are low cost instruments intended
for general metering installations where the operating pressure is within the
limitations imposed by the use of borosilicate glass metering tubes. The
instruments can be supplied with brass or 316SS female threaded end fittings.
1-2 Specifications
Performance
Accuracy
classification GT 1305
•
Standard Class 6 acc VDE/VDI 3513
•
Optional Class 4 acc VDE/VDI 3513
GT 1306
•
Standard Class 2.5 acc VDE/VDI 3513
•
Optional Class 1.6 acc VDE/VDI 3513
Repeatability ±0.5 %
Scale length GT 1305 75 mm
GT 1306 127 mm
Materials of construction
End fittings Brass or 316 SS, fitted in aluminium collar
Metering
tubes Borosilicate glass
Floats #7-1306 Glass, 316 SS or Monel
#8-1305 PPL, Ertacital, Glass, or 316 SS
#10-1305 316 SS
#8/10-1306 316 SS
O-ring seals Viton, Buna or Kalrez
Side plates Aluminum
Scale type
•
Standard Millimeter or percent of maximum flow
etched on metering tube
•
Optional Direct reading engraved on a detachable
aluminum plate
Ratings
WARNING:Do not operate this instrument in excess of the specifications
listed above. Failure to heed warning may result in serious personal
injury or damage to equipment.
Section 1 Introduction
Meter Max. pressure at Max. size Pressure
size 90°C(bar) temperature reduction
°C above 90 °C
GT1305 GT1306 bar/°C
7 - 24 120 0.093
8 13.8 20.7 120 0.093
10 8.9 6.9 120 0.056