Centrifugal fan PR 352

stainless steelindustrialbackward curved

Description
ZIEHL-ABEGG offers built-in centrifugal fans designed for integration into equipment without housing. These thermally uninsulated plug fans with a free-running impeller are intended for industrial applications such as paint booths, extraction systems and drying technology, when a housing is not required.

Product specification

• Built-in centrifugal fans with free-running impeller, thermally uninsulated
• Centrifugal fans for installation in devices, without housing
• Maximum conveyed medium temperature: +100 °C

Properties & special features
Centrifugal fans for installation in devices, without housing. Maximum conveyed medium temperature +100 °C. Backward-curved impeller blades. Support plate available square, rectangular or round; support tray square or rectangular. Modular design for square support plate with mounted and adjusted inlet nozzle, or as motor impeller with loose or fitted inlet nozzle. Installation depth of the support tray selectable by the user.

Motor concepts

• IEC standard motor versions: IMB3 or IMB5
• Special motor options: ISO H or motors with stainless steel shafts

Explosion-proof version

• Antistatic surface protection by powder coating (RAL 9005 and RAL 7035)
• Temperature class T4 / T125 °C
• Apparatus group IIB + H2
• Internal rotor motor option
• EPL: Gb / Gc / Db / Dc
• Zones: 1 / 2 / 21 / 22
• Zone separation possible with appropriate radial shaft seal
• Motor starting protection types: Ex d / Ex de / Ex eb / Ex ec / Ex tb / Ex tc
• Fan starting protection: Ex h (constructional safety "c")
• Permitted ambient temperatures: -20 to +40/+60 °C
• Certificates: ATEX

Applications

• Paint booths and extraction systems
• Drying technology

Technical characteristics

• Type: Built-in centrifugal fans with free-running impeller, thermally uninsulated
• Use: Integration in devices without housing
• Maximum conveyed medium temperature: +100 °C
• Impeller: Backward-curved blades
• Supports: Support plate (square, rectangular or round); support tray (square or rectangular)
• Design: Modular, inlet nozzle options (mounted/adjusted or loose/fitted)
• Installation depth: Configurable
• Motors: IEC IMB3 / IMB5; optional ISO H or stainless shafts
• ATEX versions available: EPL Gb/Gc/Db/Dc, zones 1/2/21/22, temperature class T4/T125
• Operating ambient temperature: -20 to +40/+60 °C