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BR 14t - pneumatic - DIN

Butterfly valve

VALVE STYLE
Butterfly valve

USAGE

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

VERSION
DIN

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

SUPPLY
Pneumatic

VALVE SIZE
DN 80 to DN 400

PRESSURE RATING
PN 10 to PN 40

LINING
without

Special features

  • Consisting of high-performance triple-eccentric control and shut-off butterfly valve as well as actuator
  • DIN ISO 5211 interface as standard
  • Butterfly valve body made of steel or stainless steel
  • Lug-type and wafer-type bodies
  • Tight shut-off in both directions
  • Wide control range
  • Low initial breakaway torque
  • No friction
  • Adjustable graphite packing
  • TA Luft
  • Blow-out-proof shaft
  • Soft or metal seal
  • Self-centering gasket
  • Fire-safe according to API 607
  • Uninterrupted facing
  • Face-to-face dimensions according to DIN EN 558, Series 16
  • Leakage requirements according to DIN EN 12266, API 598 or ANSI FCI 70-2-2006

Accessories

  • Lever
  • Locking facility
  • Air filters

Options

  • Stem extension
  • Gasket completely of stainless steel or laminated PTFE
  • Cavity-free bearing
  • Special materials
  • Low-temperature version
  • High-temperature version

BR 14t - pneumatic - DIN can be combinated with the following actuations:

Special features:

  • Rotary diaphragm actuator
  • Max. opening angle 90 ±3°
  • Signal pressures from 2.5 to 6.0 bar
  • Temperatures from –35 to +90 °C
  • Torques from 15 to 5619 Nm
  • Powerful thrust at high stroking speed and minimum friction by using low-wear rolling diaphragms
  • Backlash- and maintenance-free bearings
  • Direction of action (fail-open/fail-close) depending on the attachment to the rotary actuator
  • Travel stops externally adjustable to limit the opening angle
  • Excellent control properties thanks to large travel
  • Interfaces according to DIN EN ISO 5211 and VDI/VDE 3845

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

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 18 to 1702 Nm
  • Temperatures from –40 to +80 °C
  • End positions adjustable within wide range (+5°/–15°)
  • Additional pneumatic input at the top shaft end
  • Diagonal or parallel square drive position
  • Position indicator adjustable in steps of 45°
  • Encapsulated spring assemblies
  • Backlash-free force transmission 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 FM 8.7-6

    Declaration of Contamination for Pfeiffer Vales and Components
    [EN][DE]
  • T 14t

    BR 14t - LTR 43 · Triple eccentric control and shut-off butterfly valve
    DIN and ANSI version
    [EN][DE]

Support

  • EB 14t

    Control and shut-off valve type BR 14t - LTR 43
    to combine with actuators
    [EN][DE]
  • SH 14t

    Butterfly valve BR 14t - LTR 43
    [EN][DE]

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