Wilo-BAC

Wilo-BAC dry rotor pump of block design with threaded connection or Victaulic connection.

Overview

  • Low operating costs due to high efficiency
  • Plastic pump casing
  • Version with Victaulic connection or threaded connection (BAC 70/135... with Victaulic connection only)

Type

Dry rotor pump in close-coupled design with threaded connection or Victaulic connection.

Application

For pumping cooling water, cold water, water/glycol mixtures and other liquids without abrasive substances.

Equipment/function

Single-stage low-pressure centrifugal pump in close-coupled design with axial suction bend and radially arranged discharge nozzle.

Scope of delivery

  • Pump
  • Installation and operating instructions

Model overview

Products


rated motor power
Product designation Mains connection Motor efficiency class P2Nominal speed n Mounting length l0 Nominal flange diameter Gross weight approx. m Article number
BAC 40/125-0.75/2-DM/R-2 3~400 V, 50 Hz - 0.75 kW 2860 rpm - Ø 48,3 13.9 kg 4213181
BAC 40/136-1.1/2-DM/R-2 3~400 V, 50 Hz - 1.10 kW 2835 rpm - Ø 48,3 15.3 kg 4213182
BAC 40/126-1.5/2-DM/R-2 3~400 V, 50 Hz - 1.50 kW 2855 rpm - Ø 48,3 15.4 kg 4213183
BAC 40/134-2.2/2-DM/R-2 3~400 V, 50 Hz - 2.20 kW 2890 rpm - Ø 48,3 21.7 kg 4213185
BAC 70/135-3/2-DM/R-2 3~400 V, 50 Hz - 3.00 kW 2915 rpm - Ø 76,1 32.5 kg 4213201
BAC 70/135-4/2-DM/R-2 3~400 V, 50 Hz - 4.00 kW 2930 rpm - Ø 76,1 39.0 kg 4213202
BAC 40/125-0.75/2-DM/S-2 3~400 V, 50 Hz - 0.75 kW 2860 rpm - G 1½ 13.9 kg 4213186
BAC 40/136-1.1/2-DM/S-2 3~400 V, 50 Hz - 1.10 kW 2835 rpm - G 1½ 15.3 kg 4213187
BAC 40/126-1.5/2-DM/S-2 3~400 V, 50 Hz - 1.50 kW 2855 rpm - G 1½ 15.4 kg 4213188
BAC 40/134-2.2/2-DM/S-2 3~400 V, 50 Hz - 2.20 kW 2890 rpm - G 1½ 21.7 kg 4213190
BAC 40-125/0.75/2-DM/S-2-EC 3~400 V, 50 Hz - 0.75 kW 2860 rpm - G 1½ 12.5 kg 4213191
BAC 40-136/1.1/2-DM/R-2-EC 3~400 V, 50 Hz - 1.10 kW 2835 rpm - Ø 48,3 14.5 kg 4213192
BAC 40-125/0.75/2-DM/R-2-EC 3~400 V, 50 Hz - 0.75 kW 2860 rpm - Ø 48,3 16.5 kg 4213193
BAC 40-134/2.2/2-DM/S-2-EC 3~400 V, 50 Hz - 2.20 kW 2890 rpm - G 1½ 20.2 kg 4213195
BAC 40-136/1.1/2-DM/S-2-EC 3~400 V, 50 Hz - 1.10 kW 2835 rpm - G 1½ 12.5 kg 4213196
BAC 40-126/1.5/2-DM/R-2-EC 3~400 V, 50 Hz - 1.50 kW 2855 rpm - Ø 48,3 14.5 kg 4213197
BAC 40-134/2.2/2-DM/R-2-EC 3~400 V, 50 Hz - 2.20 kW 2890 rpm - Ø 48,3 16.5 kg 4213198
BAC 40-126/1.5/2-DM/S-2-EC 3~400 V, 50 Hz - 1.50 kW 2855 rpm - G 1½ 20.2 kg 4213200

Those. information

Deciphering the name

Example BAC 40/126-1,5/2-S
BAC Block pump for use in refrigeration and air-conditioning
40 Pipe (pressure connection)
126 Diameter of impeller
1.5 Nominal motor power P2 in kW
2 Number of motor poles
S Torque connection
R Victaulic connection

Technical Specifications

  • Permissible temperature range -15 °C to +60 °C
  • Connection to 3~400 V, 50 Hz (others on request)
  • Protection class IP 54
  • Thread connection: G2/G 1½ (S type) or Victaulic connection 60.3/48.3 mm (BAC type 40.../R) or 76.1/76.1 mm (BAC type 70.../R)
  • Max. operating pressure 6.5 bar

Materials

  • Pump housing: PA 6.6 50% GF
  • Impeller: PA/PPO, reinforced with glass fibre reinforcement
  • Shaft: X30Cr13
  • Mechanical seal: BQEGG

Description/construction

Single-stage low-pressure centrifugal pump in close-coupled design with axial suction bend and radially arranged discharge nozzle.

Download

Wilo-BAC Download
Documentation Download

Colors

DOP

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