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PENBERTHY

 MODELS U, L AND 2NC FABRICATED METAL CONSTRUCTION JET PUMPS

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS

Emerson.com/FinalControl

Before installation, these instructions must be read carefully and understood.

© 2018 Emerson. All Rights Reserved.

VCIOM-04064-EN 19/04

PRODUCT WARRANTY

Emerson warrants its Penberthy products 
as designed and manufactured to be free 
of defects in the material and workmanship 
for a period of one year after the date of 
installation or eighteen months after the date 
of manufacture, whichever is earliest. Emerson 
will, at its option, replace or repair any products 
which fail during the warranty period due to 
defective material or workmanship.

Prior to submitting any claim for warranty 
service, the owner must submit proof of 
purchase to Emerson and obtain written 
authorization to return the product. Thereafter, 
the product shall be returned to Emerson with 
freight prepaid.

This warranty shall not apply if the product has 
been disassembled, tampered with, repaired 
or otherwise altered outside of the Emerson 
factory, or if it has been subject to misuse, 
neglect or accident.

The responsibility of Emerson hereunder 
is limited to repairing or replacing the 
product at its expense. Emerson shall not be 
liable for loss, damage or expenses related 
directly or indirectly to the installation or use 
of its products, or from any other cause or 
for consequential damages. It is expressly 
understood that Emerson is not responsible 
for damage or injury caused to other products, 
buildings, personnel or property, by reason of 
the installation or use of its products.

This is Emerson's sole warranty and in lieu of 
all other warranties, expressed or implied which 
are hereby excluded, including in particular all 
warranties of merchantability or fitness for a 
particular purpose.

This document and the warranty contained 
herein may not be modified and no other 
warranty, expressed or implied, shall be made 
by or on behalf of Emerson unless made in 
writing and signed by the company's general 
manager or director of engineering.

TABLE OF CONTENTS

Product warranty ................................................ 1

1  About the manual..................................... 2
2 Introduction ............................................. 2

2.1  Features and specifications ........................ 2
2.2  Design ratings at max. and min. 

operating temperatures .............................. 2

2.3  Application data ........................................... 2

3  Inspection and performance 

confirmation ............................................ 2

3.1  Receiving inspection .................................... 2
3.2  User's rating inspection .............................. 2

4 Installation ............................................... 3

4.1  Effect of related piping strain ...................... 3

5 Operation ................................................. 4

5.1  Pre-operational check ................................. 4
5.2  Hydrostatic or vacuum test ......................... 4
5.3 Operating ...................................................... 4

6 Maintenance ............................................ 5

6.1  Preventative maintenance ........................... 5
6.2  System shut down ........................................ 5
6.2 Troubleshooting ........................................... 5

7  Removal - disassembly - reassembly ..... 6
8  Disposal at end of useful life ................... 6
9  Telephone assistance .............................. 6
10  Exploded parts diagram .......................... 7

Tables and figures

Table 1  -  Design ratings at max. and min. 

operating temperatures ................... 2

Table 2  -  Recommended minimum motive 

steam line sizes ................................ 3

Table 3  - Troubleshooting ................................ 5
Figure 1 -  Assembly ........................................... 3
Figure  2  -    Assembly   .......................................... 3
Figure 3 -  Discharge .......................................... 4
Figure 4 - Exploded parts diagram ................... 7

Summary of Contents for Penberthy U

Page 1: ...onsequential damages It is expressly understood that Emerson is not responsible for damage or injury caused to other products buildings personnel or property by reason of the installation or use of its products This is Emerson s sole warranty and in lieu of all other warranties expressed or implied which are hereby excluded including in particular all warranties of merchantability or fitness for a...

Page 2: ...ith the user s specific application WARNING Failure to follow any instruction could possibly result in a malfunction of the jet pump resulting in leakage of the contained fluid severe physical injury or property damage 2 3 Application data Models U and L are single stage steam operated jet pumps for exhausting or evacuating applications with the model U operating at a higher vacuum range than the ...

Page 3: ...T It is very important that model 2NC two stage ejectors be assembled in the required sequence as noted previously First stage ejector suction connection is to be connected to the vacuum system and discharge into the second stage suction connection Second stage discharges to atmospheric pressure 3 Steam must be dry and saturated at not less than the specified motive steam pressure Motive steam pre...

Page 4: ...learance for removal of ejector 5 OPERATION 5 1 Pre operational check 1 Ensure that all installation procedures have been completed 2 Check to determine that all connections are pressure tight 5 2 Hydrostatic or vacuum test 1 Take all the precautions necessary to handle the possibility of leakage during the test 2 Hydrostatic pressure test to 100 psig 690 kPaG or vacuum test and correct any leakag...

Page 5: ... steam separator in the line or add a steam superheater to raise steam temperature to about 10 F 12 C above saturation temperature for particularly critical low flow units Jet pump not performing up to capacity 1 Low steam pressure 1 Check steam pressure with a recently calibrated steam pressure gauge If steam pressure cannot be increased contact an authorized Penberthy distributor for assistance ...

Page 6: ...ers should be recycled whenever possible Refer to order and relevant technical data sheet for materials of construction PENBERTHY MODELS U L AND 2NC FABRICATED METAL CONSTRUCTION JET PUMPS INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS 9 TELEPHONE ASSISTANCE If you are having difficulty with your jet pump contact your local Penberthy distributor So that we may assist you more effectively plea...

Page 7: ...ntents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to...

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