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BR 26a - pneumatic - ANSI

Pneumatic control valve

Valve style
Ball valve

USAGE

  • Low-pressure service
  • On/off service
  • Cryogenic 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 10

PRESSURE RATING
Class 150 to Class 2500

Lining
without

The valve BR 26a - pneumatic - ANSI 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 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
  • 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

Special features

  • Consisting of ball valve and actuator
  • Forged or bar stock ball valve
  • Live-loaded sealing system
  • Corrosion-resistant materials to withstand corrosive process media
  • DIN ISO 5211 interface as standard
  • PTFE V-ring packing loaded by disk springs
  • TA Luft
  • Blow-out-proof shaft
  • Face-to-face dimensions according to DIN EN 558, Series 1 or ASME B16.10-2000
  • Leakage requirements according to DIN EN 12266, partly also according to API 598

Accessories

  • Lever
  • Locking facility
  • Air filters

Options

  • Stem extension
  • Calibrated seals
  • Special materials
  • Gaskets not live loaded
  • Metal seal in the passage
  • Heating jacket
  • Double packing with test connection
  • Grooved flanges according to DIN EN 1092 (Series 16 and 25 only)
  • Fire-safe version

Information

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