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BR 14b/BR 14c - pneumatic - DIN

Butterfly valve

VALVE STYLE
Butterfly valve

USAGE

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

VERSION
DIN

MEDIUM TEMPERATURE
-60 to 350 °C / -76 to 662 °F

SUPPLY
Pneumatic

VALVE SIZE
DN 50 to DN 800

PRESSURE RATING
PN 16 to PN 40

LINING
without

Special features

  • Consisting of cast double-eccentric butterfly valve and 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
  • Very wide control range
  • Low initial breakaway torque
  • PTFE V-ring packing loaded by disk springs
  • TA Luft
  • Blow-out-proof shaft
  • Soft or metal seal
  • Fire-safe versions according to API (metal seal)
  • Uninterrupted facing
  • Face-to-face dimensions according to DIN EN 558, Series 20
  • Leakage requirements according to DIN EN 12266

Accessories

  • Lever
  • Locking facility
  • Air filters

Options

  • Stem extension
  • Double packing
  • Primary seal (O-ring)
  • Adjustable packing
  • Grooved flanges according to DIN EN 1092 (Series 16 and 25 only)
  • Special materials
  • High-temperature versions up to 350 °C
  • Low-temperature versions down to –196 °C

BR 14b/BR 14c - 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 14b

    BR 14b / BR 14c · High-Performance Butterfly Valve
    DIN and ANSI-Version
    [EN][DE]
  • T 14b eco+

    Type 14b eco+ · High-performance Shut-off and Control Butterfly Valve
    PTFE or metal seat ring · DIN and ANSI version
    [EN][DE][FR]

Support

  • EB 14b

    Control and shut-off valve BR 14b and BR 14c
    [EN][DE]
  • SH 14

    Butterfly valve BR 14a / BR 14b / BR 14b eco+ / BR 14b-Type HD / BR 14c / BR 14e / BR 14p-Type PSA
    [EN][DE]

Certificates

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