Nve 4307 series System manual

National Vacuum Equipment

Owner’s Manual

Operating Instructions

Models 4307 & 4310 Blower

MADE

IN USA

Visit our web site to download pump setup guides,

brochures and other technical information.

2 | 4307 & 4310 Blower natvac.com | 800.253.5500

1212 R/5

No part of this manual may be reproduced without the written permission of

National Vacuum Equipment, Inc.

4307 & 4310 Blowers

Owner’s Record

Date of Purchase: _________________________

Purchased from: __________________________

Serial Number: ____________________________

4307 & 4310 Blower | 3natvac.com | 800.253.5500

Table of Contents



5

5

Limited Warranty

 6

7

Overview

 8

8

9



9

9

10

11

11

11

12

Storage

13

13

13



14

14

15

15

16

16

16

16

4 | 4307 & 4310 Blower natvac.com | 800.253.5500

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17

17

17

17

18

18

18

18

18

18



19

19

20

20

20

Maintenance

21

22

22

22

23

23

23

24

26

27

28

30

34

36

4307 & 4310 Blower | 5natvac.com | 800.253.5500

Introduction

About National Vacuum Equipment, Inc.

-



















Our History



-







-





-





6 | 4307 & 4310 Blower natvac.com | 800.253.5500

Limited Warranty

Warranty































 





-































4307 & 4310 Blower | 7natvac.com | 800.253.5500

Warranty Procedures





 



 



 



 



 



 



8 | 4307 & 4310 Blower natvac.com | 800.253.5500

Overview

General Blower Operation



























General Blower Construction

BALLAST INJECTION

INTAKE

EXHAUST

BLOWER HOUSING

DRIVE ENDPLATE

NON-DRIVE ENDPLATE

DRIVE OIL

TANK

DRIVE ROTOR

IDLER ROTOR

DRIVE BEARINGS NON-DRIVE BEARINGS

OIL SLINGER

TIMING GEARS

SEAL SLEEVE

SEAL RINGS

SEAL VENT

4307 & 4310 Blower | 9natvac.com | 800.253.5500

Sereial Number

Location of Serial Number









Operating Environment













-







Operating Limits

















































        

         

         





10 | 4307 & 4310 Blower natvac.com | 800.253.5500

Performance (Reference Only)





Vacuum (Inches of Mercury) Pressure (PSI)

RPM 0 9 15 18 21 24 27 510 15 18

2000 HP 2.0 7.4 11.0 12.8 14.6 16.4 - 8.1 14.2 20.3 24.0

CFM 280 171 114 77 26 - - 183 143 113 97

2500 HP 2.5 9.2 13.7 16.0 18.2 20.5 - 10.1 17.7 25.4 29.9

CFM 349 241 184 147 96 17 - 253 213 183 167

3000 HP 3.0 11.1 16.5 19.2 21.9 24.6 27.3 12.1 21.3 30.4 35.9

CFM 419 311 254 217 166 87 - 323 283 253.0 237.0

3500 HP 3.5 12.9 19.2 22.4 25.5 28.7 31.8 14.2 24.8 35.5 41.9

CFM 489 381 324 286 236 157 - 393 353 322.0 307.0

4000 HP 4.0 14.8 22.0 25.6 29.2 32.8 36.4 16.2 28.4 40.6 47.9

CFM 559 451 394 356 306 227 57 463 423 392 376

When installing a NVE 4307 blower we recommend a normal R.P.M. range from 2700 to 4000. Other speeds are o.k. as long as

exhaust gas temperatures read on the supplied thermometer do not exceed 290 degrees F over ambient temperature.

4307

0 18 24 27 10

2 17.8 23.1 - 24.8

500 407 255 - 324

4 35.6 46.1 51.4 39.7

826 661 528 182 631

4.5 40 51.9 57.8 44.7

931 763 660 270 733

RPM

2400 Hp.

CFM

Pressure (PSI)Inches of Vacuum (Hg)

4000

4500 Hp.

CFM

Hp.

CFM

Maximum 4500 RPM Intermittent Operation Only.

The maximum allowable operating

vacuum will vary depending on R.P.M.,

ambient temperature, altitude and

time running. The basic principle to

keep in mind is - faster R.P.M., higher

air temperature and longer run time all

equal more heat in the pump. When

installing an NVE 4310 blower we

recommend a normal R.P.M. of 4000.

Other speeds are o.k. as long as exhaust

gas temperatures read on the supplied

thermometer do not exceed 375

degrees F.

4310

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