Operation
The valve can be operated with a hand lever, single-turn electric actuator or
pneumatic actuator. The type of electric actuator (pneumatic actuator) is
selected by the supplier.
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Application
Series 600 - Shut-off valve for water, air, oil,
diesel, petrol and non-aggressive liquids at
temperatures up to 130°C.
Series 900 - Shut-off valve for aggressive
media (depending on type and concentration)
and gases at temperatures up to 130°C.
Maximum service pressure:
Technical description
The butterfly valve is two-way. The disc is
centrally pivoted on shafts, which turn in
sliding bearings. A rubber collar forms the
sealing surfaces and the flow passage of the
body.
Connection
Face-to-face and connecting dimensions are
given in the table below.
Options: B - through holes
T - threaded holes
Materials
series 600
series 900
Body
grey cast iron
grey cast iron
(GG 25)
(GG25)
ductile iron
(GGG40)
Valve disc ductile
iron Al-bronze
brass ductile iron
Al-bronze
stainless steel
stainless steel
Shafts stainless steel
Collar
EPDM or NBR
and others NBR, EPDM,VITON
(Materials are chosen to suit service)
Testing
The valve is tested as per DIN 3230.
Installation
The butterfly valve can be installed in
horizontal or vertical piping.
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