Operating Instructions for ERHARD NON SLAM Nozzle Check Valve
Warning
Warning
Follow the applicable safety rules according to
VGB 9a and wear the
necessary personal protective equipment.
Risk of injury!
Attention! Risk of bruises!
During transport or installation of the
ERHARD NON SLAM Nozzle Check
Valves, there may be the risk of
bruising the fingers by uncontrolled
movement of the obturator.
Risk of penetration of flow medium!
Prior to putting into operation and after carrying out maintenance work, check
tightness of the flange connections and screwed connections if any or replace the
seals.
Attention: For DN 300 – 600, the guiding stems exceed the face-to-face
dimension of the valve in fully open position (see Tables
"Dimensions of ERHARD NON SLAM Nozzle Check Valves DN 80 -
300" and "Dimensions of ERHARD NON SLAM Nozzle Check Valves
350 – 600". Consider corresponding valves or fittings downstream of
the valve!
Installation directly upstream or downstream of bends, T-pieces or valves has
to be avoided.
BA43E000
Juli 2009
Rev.9
ERHARD GmbH & Co. KG
x
D-89502 Heidenheim
x
Postfach 1280
Telefon: (07321) 320-0
(07321) 320 491 E-Mail: info
@
erhard.de
Internet: http://www.erhard.de
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