3331 - pneumatic - ANSI
Butterfly valve
VALVE STYLE
Butterfly valve
USAGE
- Low-pressure service
- Throttling service
- On/off service
VERSION
ANSI
MEDIUM TEMPERATURE
-10
to 400 °C /
14
to
752 °F
SUPPLY
Pneumatic
VALVE SIZE
NPS 4
to
NPS 16
PRESSURE RATING
Class 150
to
Class 300
LINING
without
Special features
- Consisting of butterfly control valve and actuator
- Suitable for liquids, gases, and steam
- Can be clamped between DIN and ANSI flanges
- Wafer-type body
Accessories
- Type 2 N Strainer
- Type 2 NI Strainer
Options
- Double packing
- Form-fit flanges
- Extension for low temperatures
- Step-seated butterfly disk
3331 - pneumatic - ANSI can be combinated with the following actuations:
Special features:
- Single-acting pneumatic diaphragm actuator for butterfly valves and other final control elements with rotary closure members
- Direction of action (fail-open/fail-close) can be selected as required
- Diaphragm area 160 or 320 cm²
- Various signal pressure ranges
- Travel stops externally adjustable to limit the opening angle
- No special tools required for mounting and conversion
- Signal pressures up to max. 6 bar
- Connections according to DIN ISO 5211
Special features:
- Single-acting and double-acting piston actuator
- Suitable for strict requirements in chemical plants
- Opening angle 90°
- Signal pressures up to 10 bar
- Torques from 5 to 11674 Nm
- Temperatures from –40 to +80 °C
- End positions adjustable within wide range (+5°/–15°)
- Diagonal or parallel square drive position
- Position indicator adjustable in steps of 45°
- Encapsulated spring assemblies
- Power transmission without clearance thanks to involute gearing
- Direction of rotation reversible without requiring additional parts
- Surface treatment tested by Kesternich sulfur dioxide corrosion test and salt spray test
- Centering ring milled into the housing
- Standardized attachment of valve accessories according to VDI/VDE 3845 or NAMUR
- Simple attachment according to DIN EN ISO 5211
- Blow-out-proof travel stop screws
- Fast stroking speeds as standard
Information
Support
Certificates
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