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PENBERTHY 

MODELS GL AND GH GAS OPERATED 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-04057-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 and precautions .... 3

5 Operation ................................................. 3

5.1  Pre-operational check ................................. 3
5.2 Operating ...................................................... 3

6 Maintenance ............................................ 4

6.1  Preventative maintenance ........................... 4
6.2 Troubleshooting ........................................... 4

7  Disassembly - reassembly ...................... 4
8  Disposal at end of useful life ................... 4
9  Telephone assistance .............................. 5
10  Exploded parts drawing ........................... 5

Tables and figures

Table 1  -  Design ratings at max. and min. 

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

Table 2  - Troubleshooting ................................ 4
Figure 1 -  Typical installation schematic 

gas operated pumping gases ........... 3

Figure 2 -  Typical installation schematic 

steam operated pumping water  ...... 3

Figure 3 - Exploded parts drawing  ................... 5

Summary of Contents for PENBERTHY GL

Page 1: ... 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...

Page 2: ... malfunction of the jet pump with resulting sudden release of pressure severe physical injury or property damage 2 3 Application data The model GL is intended to operate between 60 psig 410 kPaG and 150 psig 1030 kPaG steam pressure against moderate or zero discharge head The model GH is intended to operate between 20 psig 140 kPaG and 150 psig 1030 kPaG steam pressure against moderate to substant...

Page 3: ...n a gas operated jet pump is used to lift liquids by suction or vacuum the jet pump should be located as close to the level of the liquid as practical However any liquid entrained into the jet pump other than water when using steam as the operating medium may cause the jet pump to stop pumping resulting in a possible suction flow reversal 8 Discharge piping should be sized as short as possible and...

Page 4: ...her than ambient temperature 4 Lower temperature or size larger jet pump 5 Suction piping leaks 5 Tighten fittings 7 DISASSEMBLY REASSEMBLY WARNING Do not proceed with removal of the jet pump from connecting piping unless the jet pump has been relieved of all pressure or vacuum has been allowed to reach ambient temperature and has been drained or purged of all fluids Failure to follow these instru...

Page 5: ... the cost exceed the minimum charge If you return a unit under warranty but it is not defective the minimum charge will apply FIGURE 3 Suction connection Operating connection Discharge connection 10 EXPLODED PARTS DRAWING PARTS LIST Ref nr Item 11 Body 61 Nozzle Neither Emerson Emerson Automation Solutions nor any of their affiliated entities assumes responsibility for the selection use or mainten...

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