Nocchi VLR 4 - 30 A T [4/25] Enntech
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Nocchi VLR 4 - 30 A T [4/25] Enntech

Nocchi VLR 8 - 120 A T [4/25] Enntech
131
HIGH HYDRAULIC EFFICIENCY, HYDRAULICS IN 100% STAINLESS STEEL, STANDARDIZED MOTOR
The VLR series offers vertical multi-
stage centrifugal pumps with
“in line” suction and delivery ports.
Directly coupled with an electric motor.
Non self-priming.
• Water supply
• Pressure increase system
• Irrigation
• High pressure washing
• Fire fighting systems
• Boiler supply
• Liquid transfer
APPLICATIONS
MOTOR
• Electric asynchronous motor with
closed casing and external ventilation.
• The main dimensions are in line
with the provisions envisaged by the
standards DIN and IEC.
• Construction design: Up to 4.0 Kw V18
From 5.5 Kw V1.
• Insulation class F.
• Protection rating IP 55.
• Maximum ambient temperature: 40°
C.
• Rotation speed 2900 rpm.
• Oversized bearings for optimal load
support.
NOCCHI
VERTICAL MULTICELL CENTRIFUGAL PUMPS
VLR
• Impellers, diffusers and external
Casing in stainless steel.
• Base, head and lantern housing in
cast iron.
• Models VLR 32, VLR 46, VLR 66 and
VLR 92 are fitted with a mechanical
cartridge seal, thus avoiding the need
for motor disassembly in the event of
replacement.
• The “A” version models are equipped
with threaded oval counterflanges in
cast iron.
• The “F” version models are fitted with
round DIN flanges.
HYDRAULIC
COMPONENT VLR 2B - 4 - 8 -16 VLR 32 VLR 46 - 66 - 92
1 Base Cast iron EN GJL 200 Cast iron EN GJL 500-7U Cast iron EN GJL 250
2 Motor housing Cast iron EN GJL 200 Cast iron EN GJL 200 Cast iron EN GJL 200
3 Motor coupling Cast iron EN GJS 400 Cast iron EN GJL 500-7U Cast iron EN GJL 200
4 Casing Stainless steel X5CrNi18-10 (AISI 304) Stainless steel X2C Nimo17-12-2 (AISI 316L)
5 Impeller Stainless steel X5CrNi18-10 (AISI 304) Stainless steel X2C Nimo17-12-2 (AISI 316L)
6 Diffuser Stainless steel X5CrNi18-10 (AISI 304) Stainless steel Nimo17-12-2 (AISI 316L)
7 Rotary gasket Silicon carbide Tungsten carbide Silicon carbide
8 Fixed gasket Graphite Graphite Graphite
9 Shaft Stainless steel X2CrNiMo17-12-2 (AISI 316L) Stainless steel X17CrNi16-2 (AISI 316L) Stainless steel X2CrNiMoN22-5-3 (AISI 316L)
10 Seals EPDM
TABLE OF MATERIALS
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Lenntech
info@lenntech.com Tel. +31-152-610-900
www.lenntech.com Fax. +31-152-616-289

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