Rexa BLOC

デザイン

液体

For pumping the following fluids in commercial areas

• Untreated sewage
• Sewage containing faeces
• Wastewater

機器/機能

• Hydraulics with gasket and leakage chamber
• Seal with two mechanical seals
• IEC standard motor with motor efficiency class IE4

タイプキー

技術データ

• Mains connection: 3~400 V, 50 Hz
• Operating mode: S1
• IP rating: IP55
• Insulation class: F
• Fluid temperature: 3 … 70 °C
• Ambient temperature: 3 … 40 °C
• Motor efficiency class: IE4

材料

• Hydraulics housing: EN-GJL 250
• Impeller: EN-GJL 250
• Hydraulics shaft: Stainless steel 1.4021
• Bearing bracket: EN-GJL-250
• Motor housing: EN-GJL-250
• Gaskets
  • Static: NBR
  • On pump side: SiC/SiC
  • On the motor side: SiC/SiC

建設

Hydraulics

Hydraulic system with axial suction port, radial discharge port and bearing bracket as a single unit. The connections are configured as flange connections.

Seal

Bearing bracket with sealing and leakage chamber for admission of fluid ingress through the seal. Fluid-side and motor-side sealing via a bidirectional mechanical seal. The sealing chamber is filled with medicinal white oil, the leakage chamber is empty and closed off towards the motor.

Motor

IEC standard motor in B5 design as a three-phase AC motor with motor efficiency class IE4.

納品範囲

• Monobloc unit for horizontal installation with fitted standard motor in three-phase current version, without connection cable
• Angle bracket on the discharge port for fastening lifting equipment
• Installation and operating instructions

オプション

• IEC standard motor in different versions:
  • Motor efficiency class IE3
  • Ex-rated according to ATEX or FM
  • Thermal motor monitoring using bimetallic or PTC sensors
• Version for vertical installation
• ‘Bare shaft’ version

アクセサリー

• External pencil electrode for monitoring the sealing chamber
• Switchgears and relays
• Fixation sets with anchor bolts