DMN-WESTINGHOUSE Explosion-Proof Rotary Valves
Code: RV-Ex.pro-E.B.01.D 05-2016
15
3.2. Drive
2 GD External Rotary valve
3 GD External Rotary valve
Explosive gas mixtures or concentrations of dust can lead to
servere or fatal injuries in connection with hot surfaces, parts
under power and moving parts on the gear unit / geared motor.
Installation, connection, start-up, maintenance and repair work on
the gear unit / geared motor may only be performed by a qualified
specialist while taking the following into account:
these instructions
the warning and information signs on the gear unit / geared
motor
currently valid national / regional regulations
(Explosion protection, Safety, accident prevention)
- Before starting the valve, check the oil level in the gear box. It should be filled
with the correct amount and type of oil according to the instructions.
Fit the breather cap on the gear box and check that the venting nipple is clean.
- Check the rotating direction of the valve rotor. It should rotate clockwise seen
from the drive end (see direction of the arrow).
Always ground the rotary valve, use the flange connection bolts,
or the optional earth-stud on end cover or motor base plate.
Check that the electrical leakage resistance is less than 10
6
.
After assembly test run the valve.
3.3. If delivery excludes drive
Use drive and drive components that are CE marked and with a
ATEX-approval equal to or better than that of the rotary valve.
Please study the operation instructions supplied by the drive
manufacturer.
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