TECNICAL DATA

Operating range: Up to 21,6 m3/h with head up to 427 metres
Type of pumped liquid: Clean, free of solids and abrasive substances, non-viscous, non-aggressive, non-crystallized and chemically neutral
Pump maximum diameter: 99 mm Maximum amount of sand: 150 g/m3
Delivery port diameter: S4-1, S4-2, S4-3, S4-4, S4-6: 1” 1/4 S4-8, S4-12, S4-16: 2”
Impellers material: Technopolymer
Liquid temperature range: From 0°C to + 40°C
Maximum immersion depth: 4GG: 300 m - 4OL: 250 m
Maximum number of starts: 20/h
Motor protection class: IP 68 Motor insulation class: F
Single phase power input: 1x230 V 50 Hz
Three phase power input: 3x230 V 50 Hz - 3x400 V 50 Hz
Possible type of installation: Fixed in vertical position. Horizontal installation is possible, it is recommended to install a cooling sleeve
Special versions on request: Different voltages, different cable lengths, version with 4GX or 4TW motor
Certification: ACS certificate. WRAS and DM174 certificate are pending approval

APPLICATION
S4 are multi-impeller borehole pumps with a water-filled or oil-filled DAB motor capable of providing a wide range of hydraulic performances, designed for water boosting, drawing water from subsoil, gardening and irrigation in civil and commercial applications and for the movement of water in agriculture.

CONSTRUCTION FEATURES OF THE PUMP
Technopolymer impellers housed in the stage box with stainless steel adjustment rings. Pump liner, shaft, coupling with motor, integrated suction filter and stainless steel cable cover. Suction and delivery supports in micro-cast AISI 304 stainless steel. Removable built-in non-return valve in technopolymer or with stainless steel plate (depending on model). Technopolymer impellers designed to ensure high levels of efficiency in accordance with Directive 2009/125/EC (Eco design - ErP) with MEI index = 0.4 for the whole range. They have the ACS certificate, WRAS and DM174 certificate are pending approval.

CONSTRUCTION FEATURES OF THE MOTOR
Pump body can be coupled to 4GG and 4OL motors (4TW or 4GX on request). 4GG is a two-pole asynchronous motor with the parts in contact with water made of AISI 304 stainless steel. The thrust block and bushes are cooled and lubricated with a mixture of water and glycol. Rotor mounted on a Kingsbury type self-centering thrust block capable of withstanding high axial loads. The stator is immersed in thermosetting insulating resin with high heat dissipation capacity and encapsulated in an airtight AISI 304 stainless steel casing.
4OL is a two-pole asynchronous motor with the parts in contact with water made of AISI 304L stainless steel. Cooling and lubrication of ball bearings is ensured by a special liquid approved for contact with food. The rewindable stator is housed in an AISI 304L stainless steel casing fixed with steel pins to the upper support of the motor. Equipped with a carbon-ceramic mechanical seal.

For both motors:
Removable cable connector, ACS, WRAS and KTW certified cable, motor suitable for use with inverters (30 Hz - 50 Hz). In the 50 Hz single-phase version, the capacitor and manually resettable overload protection are in the electrical control panel (to be ordered separately). In the three-phase version, the protection must be guaranteed by the user.