4WN
Borehole
4"BOREHOLE PUMPS
APPLICATIONS
• Water supply
• Fountains and water-works
• Pressure boosting
• Irrigation
TECHNICAL DETAILS
• Pumped medium: clean, non corrosive and non-abrasive liquid
• Max. permissible sand content: 50 g/m3
• Max. pump overall diameter: 98 mm (cable guard included)
PUMP TECHNICAL DATA
• Models from 4WN1 to 4WN4: Rp 1”¼
• Models 4WN5: Rp 1”½
• Models from 4WN6 to 4WN15: Rp 2”
MOTOR TECHNICAL DATA
4WN pumps can be fitted with:
• 4” Oil Filled Rewindable Motors
• 4” Water Filled Motors
Both motor types are characterized by:
• Insulation class F
• Protection degree IP68
• Motor casing, shaft and bracket covers in AISI304/AISI303
• Removable cable connector
• Standard Voltages: 1~220-240V and 3~380-400V, 50 Hz,
2 poles
• Maximum ambient (liquid) temperature: 35 °C with at least
0,08 m/s of water flow speed
• Maximum immersion depth: 150 m
• Maximum motor starting per hour: 30 ion
MATERIALS
• Floating type impellers made of technopolymer, assuring maximum wear and abrasion resistance
• Glass fiber reinforced polycarbonate diffusers
• Impeller bowls in AISI 304
• Upper and lower supports made of precision-machined stainless steel for higher strength and durability
• Stainless steel non-return valve to prevent back flow of water and minimize water hammer
• Hexagonal stainless steel pump shaft
• Mounting specification according to NEMA standards
• High efficiency: all pumps are according to European Directive EuP 547/2012
• Materials are FDA compliant
The Part number is different
The minimum pressure these pumps require is 2 meter's, if you do not have 2 meter’s differential from water level to discharge point,or a minimum of 14 meter's horizontal run, then use a 1" bore discharge hose or your motor will burn out
What is the lowest head pressure
Part numbers have changed to harmonise along with design changes. The part number stated is the current one in use, there are different numbers for OEM products also, if you have any doubts please advise the part number and we will confirm.
Discounts
Further quantity discounts are available for this product range, call the office for details 0161 428 0133
UK Mainland Delivery is normally by next working day courier if order is placed before 1.30pm. ie despatched on Monday for Tuesday delivery. If placed after 1.30pm then the goods will be despatched the next working day. ie Monday for Wednesday delivery. Highlands and offshore deliveries differ.
