Wilo-BAC

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

Overview Model overview Those. information Download Colors DOP, CAD

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

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rated motor power

Product designation	Mains connection	Motor efficiency class	P₂	Nominal 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

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.

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Wilo-BAC	Download
Documentation	Download

Colors

DOP

Wilo CAD

The Wilo CAD online library contains DWG drawings of Wilo pumping equipment. In this library, the dimensions of the pumping equipment are given as a guideline. Please note that the contents of the Wilo CAD online library are subject to technical changes.

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Wilo CAD online library