Range NX8 and NX12 : From 150 m3/h to 2600 m3/h Pressure up to 1 bar g Vacuum up to 540 mbar

Features Rotors: One-piece three-Lobe rotors.

Gears: Helical gears located on the opposite drive side.

Bearings: Four oversized bearings for lifetime reliability.

Oil reservoir: Large oil reservoir for improved bearing lubrication.

Oil thrower: Oil thrower and oil passages for good bear-ing lubrication and long life.

Seals: Four piston ring seals plus a shoulder by sealing for totally oil free operation.

Shaft Seals: Dynamic shaft seals arrangement.

Bareshaft Blowers NX Series—NX8 and NX12

Material of Construction Benefits

Part European

Rotor housing EN-GJL 200

Head plate EN-GJL 250

Rotors EN-GJS-400-15

Gears 42 Cr Mo4

Main application

• Water treatment

• Pneumatic conveying

• Fluidisation

• Flue gas desulphurisation...

• Cement Work

• Metallurgy

• Food industries

• Chemical , petrochemical industries...

• High mechanical and volumetric efficiency

• Auto-adjustments of the lateral clearance to improve repeatability

• Lifetime reliability

• 100% oil free operation

• Blowers without maintenance for 40 000 hours (except oil each year or every two years if you use HIBON LUBE)

• interchangeability with the previous range

• Option : 45° mounting feet

With experience dating back more than a century, Ingersoll Rand Air Solutions has supplied with great success to the market a world-class range of air blowers and vacuum equipment used to provide air/gas volumes at varying pressures above atmospheric, and for vacuum duties.

Continuous research and development of the Product range has lead to the introduction of the new NX.Series of bareshaft blowers. Their new design incorporates the benefits of improved assembly, lifetime reli-ability, competitive solution and interchangeability with the previous range.

Dimensions (in mm)

NX 8 NX 12

A 355 476

a 208 278

B 475 475

D 515 515

E 370 370

EA 135 135

F 237.5 237.5

G 13 13

h 185 185

L 672 792

L1 385 454

T 51.5 51.5

V 70 70

W 81 81

Y 14 14

Ø Z 48 (m6) 48 (m6)

Ø DN 125 150

Ø P 18 18

Ø R 250 285

Ø r 210 240

Ø S 18 18

n (quantity) 8 8

Weight (kg) 214 257

Detail

Part Description

A Housing

B Driven Rotor

C Drive Rotor

D Head Plate

E Roller bearings

F Boll bearings

G Gears

H Labyrinth seals

I Piston ring seals

J Lifting lugs

K Feet (in option)

Direction of drive shaft rotation

RH = Right hand LH = Left hand BS = Bottom shaft TS = Top shaft

CCW = Counterclockwise CW = Clockwise

NX 8 NX 12

With feet option Without feet With feet option Without feet

BS CW F0151001111 F015100111 F0151201111 F015120111

LH CW F0151501011 F015150101 F0151701011 F015170101

TS CW F0151001211 F015100121 F0151201211 F015120121

RH CW F0151501311 F015150131 F0151701311 F015170131

BS CCW F0151001101 F015100110 F0151201101 F015120110

LH CCW F0151501001 F015150100 F0151701001 F015170100

TS CCW F0151001201 F015100120 F0151201201 F015120120

RH CCW F0151501301 F015150130 F0151701301 F015170130

Configuration

A

B

C

D

E

F

G

G

H

I

J

Curves in pressure operation

Office number: + 33 3 20 45 39 39 hibon@eu.irco.com www.hibon.com 2011 Ingersoll-Rand Company

April 2011

Ingersoll Rand Industrial Technologies provides products, services and solutions that enhance our customers’ energy efficiency, productivity and operations. Our diverse and innovative products range from complete compressed air systems, tools and pumps to material and fluid handling systems and environmentally friendly micro turbines. We also enhance productivity through solutions created by Club-Car® the global leader in golf and utility vehicles for businesses and individuals.

NX 8

NX 12

Qvi : Suction volume Pabs : Power output at blower shaft Ve: Generated volume Tref : Output temperature Dp : Differential pressure N : speed Theses curves are valid for inlet dry air at 20°C, outlet pressure 1013.25 mbar abs, M=27,3g/mol, Cp=1092J/kg/K, d=0,0105kg/m3 Tolerance :+/- 10%

Nothing contained on theses pages is intended to extend any warranty or representation, expressed or implied, regarding the product described herein. Any such warranties or other terms and conditions of sale of product shall be in accordance with Ingersoll Rand’s standard terms and conditions of sale for such products , which are available upon request. Product improvement is a continuing goal at Ingersoll Rand. Designs and specification are subject to change without notice or obligation.

Qvi : suction volume Pabs: Power output at blower shaft Ve Generated volume Tref: Output temperature Dp : differential pressure N: speed Theses curves are valid for inlet dry air at 20°C and outlet pressure 1013.25 mbar abs, M=27,3g/mol, Cp=1092J/kg/K, d=0,0105kg/m3 Tolerance :+/- 10%