TWI4.05-31.15 M4 1.5HP 3-460V 3-Wire

Borehole pump

Article number: 2711951

Find the right solution with the new Wilo Selector

Series Sub TWI 4

Data sheet

Hydraulic data
Max. sand content	50 g/m³
Max. volume flow Q_max	35.0 US g.p.m.
Optimal volume flow Q_opt	23.0 US g.p.m.
Max. delivery head H_max	3699.7 US g.p.m.
Optimal delivery head H_opt	2522.85 US g.p.m.
Min. fluid temperature T_min	37 °F
Max. fluid temperature T_max	122 °F
Number of stages	31

Motor data
Mains connection	3~460 V, 60 Hz
Rated power P₂	1.50 hp
Rated current I_N	2.8 A
Power factor cos φ₁₀₀	0.81
Rated speed n	3500 RPM

Materials
Pump housing	Stainless steel
Pump housing material	AISI 304
Impeller	AISI 304
Shaft	AISI 431

Installation dimensions
Pipe connection, discharge side DNd	1.25"

Ordering information

Product data
Brand	Wilo
Product description	TWI4.05-31.15 M4 1.5HP 3-460V 3-Wire
Article number	2711951
EAN number
Colour	Silver
Minimum order quantity	1
Date of sales availability	2022-04-20

Dimension, weight
Length L	3.90 in (")
Height H	44.80 in (")
Width W	3.90 in (")
Net weight, approx. m	43.00 lb