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3598 - pneumatic - ANSI

Pneumatic control valve

Valve style
Globe valve

USAGE

  • Cryogenic service
  • Throttling service
  • High-pressure service

VERSION
ANSI

MEDIUM TEMPERATURE
-196 to 65 °C / -320.8 to 149 °F

SUPPLY
Pneumatic

VALVE SIZE
NPS 3 to NPS 8

PRESSURE RATING
Class 300 to Class 900

The valve 3598 - 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

  • Minimized heat leak thanks to the use of a circulation inhibitor and a cryogenic extension bonnet
  • Installation in vacuum-insulated pipelines, air separation plants (cold box) and peripheral plants made possible by a cover plate on the cryogenic extension bonnet
  • Valve maintenance possible without removing it from the pipeline
  • Top entry through the cryogenic extension bonnet allows easy access to the seat, piston and circulation inhibitor after removal of the actuator
  • The Cv coefficients can be modified in wide ranges by replacing the seat and valve plug

Accessories

  • - - -

Options

  • Version for ultrapure gas
  • Pipe jacketing for installation in vacuum-insulated plant components
  • Welding-neck ends

Information

  • T 8076

    Type 3598-1 and Type 3598-7 Pneumatic Control Valves
    Type 3598 Cryogenic Valve
    ANSI version
    [EN][DE]

Support

  • EB 8076

    Type 3598 Valve
    ANSI version
    [EN][DE]

Certificates

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