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3291 - pneumatic - ANSI

3291 - pneumatic - ANSI

Globe valve

VALVE STYLE
Globe valve

USAGE

  • High-pressure service
  • Throttling service
  • Low-pressure service

VERSION
ANSI

MEDIUM TEMPERATURE
-196 to 450 °C / -320.8 to 842 °F

SUPPLY
Pneumatic

VALVE SIZE
NPS ½ to NPS 8

PRESSURE RATING
Class 150 to Class 900

LINING
without

Special features

  • Consisting of globe valve and actuator
  • Easy to service
  • Low-noise valve plug
  • Pressure balancing to handle large pressure drops
  • Clamped-in seat for quick service

Accessories

  • Type 2 N Strainer
  • Type 2 NI Strainer

Options

  • Welding or welding-neck ends
  • Flow divider for noise reduction
  • Insulating section or bellows seal
  • Perforated plug

3291 - 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

  • WA 247

    Flyer: New Control Solution with Proven Parts
    Type 3291 Globe Valve
    [EN][DE][ES][TR]
  • WA NA 112

    : Type 3291 Globe Control Valve
    [EN]
  • 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 8000-6

    Information sheet
    Packings for Globe Valves
    Packing forms and their application ranges
    [EN][DE]
  • T 8072-1

    Type 3291 Globe Valve
    Type 3291-1 and Type 3291-7 Pneumatic Control Valves
    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

  • H 01

    Oxygen
    Instructions and information on how to safely handle devices for oxygen service
    [EN][DE]

DXF file from data sheet

Certificates

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