Skip to main navigation Skip to main content

VALVES

PRODUCT SELECTOR

SMART IN FLOW CONTROL

SAMSON AG>Products>Valves>
3321 - pneumatic - ANSI

3321 - pneumatic - ANSI

Globe valve

VALVE STYLE
Globe valve

USAGE

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

VERSION
ANSI

MEDIUM TEMPERATURE
-10 to 300 °C / 14 to 572 °F

SUPPLY
Pneumatic

VALVE SIZE
NPS ½ to NPS 4

PRESSURE RATING
Class 125 to Class 300

LINING
without

Special features

  • Consisting of globe valve and actuator
  • Suitable for liquids, gases, and steam

Accessories

  • Type 2 N Strainer
  • Type 2 NI Strainer

Options

  • Flow divider for noise reduction
  • Insulating section

3321 - pneumatic - ANSI can be combinated with the following actuations:

Special features:

  • Consisting of two diaphragm cases, a rolling diaphragm, and internal springs
  • Suitable for attachment to SAMSON Type 3214, Type 3260, and Series V2001 Valves
  • Version with directly attached Type 3725 Positioner or prepared for the attachment of Series 3730 Positioner (15 or 30 mm rated travel)
  • Actuated by 4 to 20 mA
» FURTHER INFORMATION

Special features:

  • Suitable for attachment to SAMSON Series V2001 Valves
  • The actuators mainly consist of two diaphragm cases, a diaphragm, and internal springs. The actuator is connected to the valve bonnet using a yoke.
The diaphragm casing of the Type 3371 Actuator is available made of the following materials depending on the actuator size:
  • 120 cm² – diaphragm cases made of die-cast aluminum
  • 350 cm² – diaphragm cases made of sheet steel
» FURTHER INFORMATION

Information

  • WA 143

    Flyer: V2001 Valve Series with Type 3321 Valve
    Quality at a Reasonable Price
    [EN][DE][FR]

  • WA 395

    Flyer: Type 3321CT (Clean Tech) Globe Valve with Pneumatic Actuator
    [EN][FR]

  • AB 0100

    Servicing SAMSON Products
    Tightening Torques · Lubricants · Tools
    Electric and Pneumatic Control Valves
    Type 3241, Type 3244, Type 3246, Type 3248, Type 3249, Type 3510, Type 3321, Type 3321CT, Type 3323, Type 3271, Type 3277, Type 3371, Type 3372, Type 3571, Type 3251, Type 3253, Type 3254, Type 3256, Type 3259, Type 3281, Type 3286, Type 3291, Type 3296, Type 3349, Type 3275, Type 3275A and Type 3310 (edition 2020)
    [EN][DE]

  • T 8112

    Type 3321 Globe Valves with electropneumatic, pneumatic or electric actuators
    ANSI version
    [EN][DE]

  • T 8000-6

    Information sheet
    Packings for Globe Valves
    Packing forms and their application ranges
    [EN][DE]

  • T 8000-3

    Information Sheet:
    Electric and Pneumatic Control Valves
    Series 240 • 250
    Flow coefficients for valves
    Type 3241 • Type 3248 • Type 3249 • Type 3251 • Type 3321 • Type 3347 • Type 3598
    [EN][DE]

Support

  • EL 8111-K

    Description of spare parts kit Type 3321
    [EN][DE]

  • EL 8111

    Spare parts list Type 3321
    [EN][DE]

DXF file from data sheet

Certificates

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

Pin product

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

WATCHLIST

Wallet is empty
Back to product selector