6 Technical data
It is important to observe the technical data during installation, operation and maintenance.
Inform the personnel about the technical data.
NO = Normally open. NC = Normally closed.
6.1 Technical data
The valve is remote-controlled by means of compressed air. It has few and simple moveable parts which results in a very reliable
valve and low maintenance cost.
Standard Design
The Unique Single Seat DN125 and DN150 Valves come in a one or two body configuration. The actuator
is connected to the valve body by means of clamp rings.
Data - valve/actuator
Max. product pressure
1000 kPa (10 bar) (145 psi)
Min. product pressure Full vacuum
Temperature range, standard lip seal
-10°C to + 100°C (14° F to 212°F) (EPDM)
Temperature range, special lip seal
-10°C to + 140°C (14° F to 284°F) (EPDM)
Air pressure, actuator - sizes DN125-150
600to800kPa(6to8bar)(87to116psi)
Materials - valve/actuator
Product wetted steel parts
Acid-resistant steel AISI 316L
Finish
Semi bright
Other steel parts Stainless steel AISI 304
Plug stem - sizes DN125-150
AISI 316L with hard chrome plated stem surface
Product wetted seals
EPDM (standard)
Other seals Nitrile (NBR)
Alternative product wetted seals
Nitrile (NBR) and Fluorinated rubber (FPM), PTFE/FEP
Weight (kg)
DIN/DN
Nominal Size
125
NC
125
NO
150
NC
150
NO
Weight (kg) - Shut-off valve
40.3 40.3 40.9 40.9
Weight (kg) - Change-over valve
50 50 51.3 51.3
Noise
One meter away from - and 1.6 meter above the exhaust the noise level of a valve actuator will be approximately 77db(A) without
noise damper and approximately 72 db(A) with damper - Measured at 7 bars air-pressure.
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