VALVES

PRODUCT SELECTOR

SMART IN FLOW CONTROL

3331 - pneumatic - DIN

Pneumatic control valve

Valve style
Butterfly valve

USAGE

  • Low-pressure service
  • Throttling service
  • On/off service

VERSION
DIN

MEDIUM TEMPERATURE
-10 to 400 °C / 14 to 752 °F

SUPPLY
Pneumatic

VALVE SIZE
DN 100 to DN 400

PRESSURE RATING
PN 10 to PN 40

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

The valve 3331 - pneumatic - DIN 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

  • AB 02

    Flanges
    Connecting dimensions according to DIN EN 1092-1 and DIN 2501-1
    [EN][DE]

Support

  • H 02

    Appropriate Machinery Components for SAMSON Pneumatic Control Valves with a Declaration of Conformity of Final Machinery
    [EN][DE]

Certificates

Only up-to-date documents are shown in the product selector. Check the documentation site for a list of all documents available.

Show all documents for Type 3331 - pneumatic - DIN
Pin product

Pin items on your list and contact us if you have any product-related questions.

WATCHLIST

Wallet is empty