Brooks Instrument 1358 - Manual (Page 15)

Installation and Operation Manual
X-VA-1358-eng
Part Number: 541B041AAG
September, 2012
3-1
Section 3 Operation
Model 1358
3-1 Operating Instructions
After the flowmeter has been properly installed in the system, it is ready for
operation.
To initiate flow through a flowmeter using bypass piping,
refer to Figure 3-1.
1. Close flowmeter isolation valves (A) and (B).
2. Fully open bypass valve (C) and slightly open control valve (D).
3. Initiate process flow. When flow has stabilized, fully open
isolation valve (B), then slowly open isolation valve (A) fully.
4. Close bypass valve (C).
5. Regulate process flow using control valve (D).
6. If meter is left in bypass configuration, open drain valve (E) to prevent
tube damage caused by thermal expansion of the process liquid.
GLASS TUBE
EXPLOSION
HAZARD
WARNING !
Plastic protective sleeve must remain over glass tube. (Meter sizes
7 -13 only)
Fasten meter windows securely.
Do not operate above pressure and temperature limits.
Avoid pressure and flow surges.
Do not service or repair while pressurized.
Read and understand instruction manual.
Failure to comply could result in serious personal injury or property
damage.
Protective sleeve must remain over glass tube. Fasten meter
windows securely. Failure to comply could result in serious
personal injury or property damage.
GLASS TUBE EXPLOSION HAZARD
WARNING !