VALVES

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3253 - pneumatic - ANSI

3253 - pneumatic - ANSI

Globe valve

VALVE STYLE
Globe valve

USAGE

  • Mixing or diverting service
  • Throttling service
  • High-pressure service

VERSION
ANSI

MEDIUM TEMPERATURE
-196 to 550 °C / -320.8 to 1022 °F

SUPPLY
Pneumatic

VALVE SIZE
NPS ½ to NPS 20

PRESSURE RATING
Class 150 to Class 900

LINING
without

Special features

  • Consisting of three-way valve and actuator
  • Two spring-loaded PTFE V-ring packings or two adjustable high-temperature packings
  • On request with test connection between the packings
  • Optionally including RFID transponder with unique marking according to DIN SPEC 91406

Accessories

  • Type 2 N Strainer
  • Type 2 NI Strainer

Options

  • Insulating section or bellows seal

3253 - pneumatic - ANSI can be combinated with the following actuations:

Special features:

  • Single-acting linear actuator with rolling diaphragm and internal springs
  • Diaphragm areas from 120 to 2x2800 cm²
  • Low overall height
  • Powerful thrust at high stroking speed
  • Low friction
  • Various bench ranges by varying the number of springs or their compression
  • No special tools required to change the bench range or reverse the direction of action (also version with handwheel)

Special features:

  • Single-acting linear actuator with rolling diaphragm and internal springs
  • Diaphragm areas from 120 to 750 cm²
  • Direct attachment of accessories on additional yoke with concealed travel pick-off
  • Low overall height
  • Powerful thrust at high stroking speed
  • Low friction
  • Various bench ranges by varying the number of springs or their compression
  • No special tools required to change the bench range or reverse the direction of action (also version with handwheel)

Special features:

  • Spindle actuator with non-rising handwheel
  • Handwheel diameter 180 or 250 mm
  • Low overall height
  • Simple connection to the valve
  • Locking mechanism to secure the valve stem position against accidental adjustment

Information

  • AB 0100

    Instandhaltung von SAMSON-Geräten
    Anzugsmomente · Schmiermittel · Werkzeuge
    [DE]
  • T 8000-6

    Information sheet
    Packings for Globe Valves
    Packing forms and their application ranges
    [EN][DE]
  • T 8056

    Type 3253-1 and Type 3253-7 Pneumatic Control Valves
    Type 3253 Three-way Valve
    ANSI version
    [EN][DE]
  • T 8000-1

    Information Sheet:
    Electric and Pneumatic Control Valves
    Series 240 · 250 · 290 · Series V2001 · PFEIFFER
    [EN][DE]
  • T 8000-2

    Information Sheet:
    Electric and Pneumatic Control Valves
    Series 240 • 250 • 290 • SAMSON PFEIFFER
    Materials and pressure-temperature diagrams
    [EN][DE]

Support

  • EB 8056

    Type 3253 Three-way Valve · ANSI version
    In combination with an actuator, e.g. a Type 3271 or Type 3277 Pneumatic Actuator
    [EN][DE]
  • H 02

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

DXF file from data sheet

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