Naipu® NP-AF froth pumps are of heavy duty construction, designed for continuous pumping of highly abrasive and corrosive frothy slurries. They have a vertical shaft configuration, and comprise a hopper, with vertical Bearing Assembly, and Type'NP-AH' pump wet-end. They feature a wide choice of replaceable abrasion resistant metal or moulded elastomer casing liners and Impellers.
Specification:
Size range (discharge)
1" to 18"
25 mm to 450 mm
Capacities
To 22, 000 gpm
To 5, 000 m3/hr
Heads
To 240 ft
To 73 m
Pressures
To 300 psi
To 2, 020 kPa
|
LINERS |
IMPELLERS |
CASING |
BASE |
EXPELLER |
EXPELLER RING |
SHAFT SLEEVE |
SEALS |
|
Standard |
Chrome Alloy |
Chrome Alloy |
SG Iron |
SG Iron |
Chrome Alloy |
Chrome Alloy |
SG Iron |
Rubber |
Natural Rubber |
Natural Rubber |
or |
or |
and |
|
|
SG Iron |
SG Iron |
Nitrile |
Options |
Ferralium |
Ferralium |
SG Iron |
MS |
NI Resist |
NI Resist |
EN56C |
Ceramic |
Hastelloy C |
Hastelloy C |
Various grades |
Fabricated |
Ferralium |
Ferralium |
Ferralium |
Stellite |
316 SS |
316 SS |
|
Cast Iron |
Hastelloy C |
Hastelloy C |
Hastelloy C |
Chrome Oxide |
W151 |
W151 |
|
|
Polyurethane |
316 SS |
Titanium |
Nordel |
Polyurethane |
Polyurethane |
|
|
316 SS |
Rubber |
316 SS |
Neoprene |
Neoprene |
Neoprene |
|
|
W151 |
W151 |
304 SS |
Viton |
Butyl |
Butyl |
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|
|
Polyurethane |
|
|
Viton |
Nitrile |
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|
|
Neoprene |
|
|
Nitrile |
Hypalon |
|
|
|
Butyl |
|
|
EPDM |
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|
|
|
Nitrile |
|
|
Hypalon |
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