GEM 717 User manual

GEMÜ 717

Manually operated ball valve

Operating instructions

further information

webcode: GW-717

All rights including copyrights or industrial property rights are expressly reserved.

Keep the document for future reference.

01.10.2019

www.gemu-group.com2 / 40GEMÜ 717

Contents

1 General information ................................................... 4

1.1 Information ......................................................... 4

1.2 Symbols used ..................................................... 4

1.3 Definition of terms ............................................. 4

1.4 Warning notes .................................................... 4

2 Safety information .................................................... 4

3 Product description ................................................... 5

4 Correct use ................................................................ 7

5 Order data ................................................................. 8

6 Technical data ........................................................... 10

7 Dimensions ............................................................... 13

8 Manufacturer's information ....................................... 23

8.1 Delivery ............................................................... 23

8.2 Packaging ........................................................... 23

8.3 Transport ............................................................ 23

8.4 Storage ............................................................... 23

9 Installation in piping .................................................. 23

9.1 Preparing for installation ................................... 23

9.2 Installation with inserts for solvent cementing 24

9.3 Installation with inserts for welding .................. 25

9.4 Installation with screw-type inserts ................. 25

9.5 Installation with flanged connection ................. 26

10 Electrical connection of electrical position indicators

(optional accessories) ............................................... 26

11 Commissioning ......................................................... 27

12 Operation .................................................................. 27

13 Error clearance .......................................................... 30

14 Inspection and servicing ............................................ 31

15 Removal from piping ................................................. 36

16 Returns ..................................................................... 36

17 EU Declaration of conformity 2-way ball valve ........... 37

18 EU Declaration of conformity 3-way ball valve ........... 38

GEMÜ 717www.gemu-group.com 3 / 40

www.gemu-group.com4 / 40GEMÜ 717

1 General information

1.1 Information

– The descriptions and instructions apply to the stand-

ard versions. For special versions not described in this

document the basic information contained herein ap-

plies in combination with any additional special docu-

mentation.

– Correct installation, operation, maintenance and repair

work ensure faultless operation of the product.

– Should there be any doubts or misunderstandings, the

German version is the authoritative document.

– Contact us at the address on the last page for staff

training information.

1.2 Symbols used

The following symbols are used in this document:

Symbol Meaning

Tasks to be performed

Response(s) to tasks

– Lists

1.3 Definition of terms

Working medium

The medium that flows through the GEMÜ product.

1.4 Warning notes

Wherever possible, warning notes are organised according to

the following scheme:

SIGNAL WORD

Type and source of the danger

Possible

symbol for

the specific

danger

Possible consequences of non-observance.

Measures for avoiding danger.

Warning notes are always marked with a signal word and

sometimes also with a symbol for the specific danger.

The following signal words and danger levels are used:

DANGER

Imminent danger!

▶Non-observance can cause death or

severe injury.

WARNING

Potentially dangerous situation!

▶Non-observance can cause death or

severe injury.

CAUTION

Potentially dangerous situation!

▶Non-observance can cause moderate

to light injury.

NOTICE

Potentially dangerous situation!

▶Non-observance can cause damage to

property.

The following symbols for the specific dangers can be used

within a warning note:

Symbol Meaning

Danger of explosion

Corrosive chemicals

Hot plant components!

2 Safety information

The safety information in this document refers only to an in-

dividual product. Potentially dangerous conditions can arise

in combination with other plant components, which need to

be considered on the basis of a risk analysis. The operator is

responsible for the production of the risk analysis and for

compliance with the resulting precautionary measures and

regional safety regulations.

The document contains fundamental safety information that

must be observed during commissioning, operation and

maintenance. Non-compliance with these instructions may

cause:

– Personal hazard due to electrical, mechanical and

chemical effects.

– Hazard to nearby equipment.

– Failure of important functions.

– Hazard to the environment due to the leakage of dan-

gerous materials.

The safety information does not take into account:

– Unexpected incidents and events, which may occur

during installation, operation and maintenance.

– Local safety regulations which must be adhered to by

the operator and by any additional installation person-

nel.

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Prior to commissioning:

1. Transport and store the product correctly.

2. Do not paint the bolts and plastic parts of the product.

3. Carry out installation and commissioning using trained

personnel.

4. Provide adequate training for installation and operating

personnel.

5. Ensure that the contents of the document have been fully

understood by the responsible personnel.

6. Define the areas of responsibility.

7. Observe the safety data sheets.

8. Observe the safety regulations for the media used.

During operation:

9. Keep this document available at the place of use.

10. Observe the safety information.

11. Operate the product in accordance with this document.

12. Operate the product in accordance with the specifica-

tions.

13. Maintain the product correctly.

14. Do not carry out any maintenance work and repairs not

described in this document without consulting the manu-

facturer first.

In cases of uncertainty:

15. Consult the nearest GEMÜ sales office.

3 Product description

3.1 Construction

Item Name Materials

1 Ball valve body PVC-U, PVC-C, ABS, PP-H or PVDF

2 Pipe

connections

PVC-U, PVC-C, ABS, PP-H or PVDF

3 Anti-twist

protection

POM

4 Hand lever HIPVC

Ball valve seals FPM, EPDM, FFKM

Ball valve seat

seals

PTFE

3.2 Description

The GEMÜ 717 2/2 or 3/2-way plastic ball valve has an ergo-

nomically designed hand lever and is manually operated. The

seat seal is made of PTFE.

3.3 Function

The product is a 2/2 or 3/2-way plastic ball valve equipped

with a plastic manual operator. The threaded connection

locking device enables the unions to be locked in place.

The valve body and the seal material are available in various

designs as shown in the datasheet. Optional accessories are

available on request (see chapter "Accessories").

3 Product description

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3 Product description

3.4 Port positions

3.4.1 T-port

CLOSED end

position

OPEN end po-

sition

Condition as

supplied to

customer

OPEN

Delivery condition

Code T

1 2

Optional port positions, can be user adjusted

Code 2

Code 3

Code 4

1 2

3.4.2 L-port

CLOSED end

position

OPEN end po-

sition

Condition as

supplied to

customer

OPEN

Delivery condition

Code L

Optional port positions, can be user adjusted

Code 6

3.4.3 Control ball

View with a scale Control ball

Code R

View with a scale Control ball

For 0°- 90° control range, linear control characteristic

between port position and percentage flow rate.

For ball configuration (R), an indicator plate is fitted on the

ball valve body.

NOTE: Ball configuration (R) cannot be retrofitted to

standard 2/2-way bodies at a later date.

www.gemu-group.com 7 / 40 GEMÜ 717

4 Correct use

DANGER

Danger of explosion

▶Risk of death or severe injury.

●Do not use the product in potentially

explosive zones.

WARNING

Improper use of the product!

▶Risk of severe injury or death.

▶Manufacturer liability and guarantee will be void.

●Only use the product in accordance with the operating

conditions specified in the contract documentation and

this document.

The product is designed for installation in piping systems

and for controlling a working medium.

The product is not intended for use in potentially explosive

areas.

The product is controlled via a manual operator.

●Use the product in accordance with the technical data.

4 Correct use

5 Order data

The order data provide an overview of standard configurations.

Please check the availability before ordering. Other configurations available on request.

Order codes

1 Type Code

Kunststoff-Kugelhahn,

manuell betätigt

717

2 DN Code

DN 10 10

DN 15 15

DN 20 20

DN 25 25

DN 32 32

DN 40 40

DN 50 50

DN 65 65

DN 80 80

DN 100 100

3 Body configuration Code

2/2-way body D

Mehrwege-Ausführung M

4 Connection type Code

Klebe- beziehungsweise Schweißmuffe DIN 2

Armaturenverschraubung mit Einlegeteil Zoll - BS

(Muffe)

Flansch ANSI Class 125/150 RF 39

Armaturenverschraubung mit Einlegeteil JIS

(Muffe)

Flansch EN 1092, PN 10, Form B,

Baulänge FTF EN 558 Reihe 1, ISO 5752, basic

series 1

Armaturenverschraubung mit Einlegeteil DIN (IR-

Stumpfschweißen)

Armaturenverschraubung mit Einlegeteil

Gewindemuffe Rp

Threaded socket NPT 31

5 Ball valve material Code

PVC-U, grau 1

PVC-C, chloriertes Polyvinylchlorid 2

PVDF 20

ABS 4

PP-H, grau 5

6 Seal material Code

FPM, maximal -15°C - +210°C 4

EPDM, maximal -20°C - +95°C 14

FFKM F5

7 Control function Code

manuell betätigt 0

8 Ball configur./port position Code

L-Kugel, Standard Endlage "Auf", Anschluss 2 und

3 offen,

L-Kugel, Standard Endlage "Zu", Anschluss 1 und

3 offen

T-Kugel, Standard Endlage "Auf", Anschluss 1, 2

und 3 offen,

T-Kugel, Standard Endlage "Zu", Anschluss 1 und

3 offen

T-Kugel, Endlage "Auf", Anschluss 1 und 3 offen,

T-Kugel, Endlage "Zu", Anschluss 1 und 2 offen

T-Kugel, Endlage "Auf", Anschluss 1 und 2 offen,

T-Kugel, Endlage "Zu", Anschluss 2 und 3 offen

T-Kugel, Endlage "Auf", Anschluss 2 und 3 offen,

T-Kugel, Endlage "Zu", Anschluss 1, 2 und 3 offen

L-Kugel, Endlage "Auf", Anschluss 1 und 3 offen,

L-Kugel, Endlage "Zu", Anschluss 1 offen

R-Kugel (Regelkugel)

für Regelbereich 0° - 90°

Lineare Kennlinie zwischen Kugelstellung und

prozentualem Durchfluss

9 Type of design Code

Without

Einlegeteil aus PE 1187

10 CONEXO Code

without

Integrated RFID chip for electronic identification

and traceability

5 Order data

www.gemu-group.com

8 / 40

GEMÜ 717

Order example

Order option Code Description

1 Type 717 Kunststoff-Kugelhahn,

manuell betätigt

2 DN 15 DN 15

3 Body configuration M Mehrwege-Ausführung

4 Connection type 2 Klebe- beziehungsweise Schweißmuffe DIN

5 Ball valve material 1 PVC-U, grau

6 Seal material 14 EPDM, maximal -20°C - +95°C

7 Control function 0 manuell betätigt

8 Ball configur./port position L L-Kugel, Standard Endlage "Auf", Anschluss 2 und 3 offen,

L-Kugel, Standard Endlage "Zu", Anschluss 1 und 3 offen

9 Type of design Without

10 CONEXO without

5 Order data

www.gemu-group.com 9 / 40 GEMÜ 717

6 Technical data

6.1 Medium

Working medium: Corrosive, inert, gaseous and liquid media and steam which have no negative impact on the phys-

ical and chemical properties of the body and seal material.

6.2 Temperature

Media temperature: see Pressure / temperature diagram

Seal material: FPM: -15 – 210 °C

EPDM: -20 – 95 °C

Ambient temperature: Valve body ABS: -10 to 50 °C

Valve body PP-H: 5 to 60 °C

Valve body PVC-U, PVC-C: 10 to 50 °C

Valve body PVDF: -5 to 50 °C

6.3 Pressure

Operating pressure: Pressure / temperature diagram

-40 -20 020 40 60 80 100 120 140

PVDF

PVC-C

PVC-U

PP-H

ABS

Operating pressure [bar]

Temperature [°C]

Data for extended temperature ranges on request. Please note that the ambient temperature and media tem-

perature generate a combined temperature at the valve body which must not exceed the above values.

Kv values: DN Body configuration

2/2-way Multi-port (code M)

(code D) (code R) T-port T-port T-port T-port L-port

1 2

10 4.8 4.98 2.2 1.5 2.4 4.7 2.9

15 12.0 5.28 3.3 2.1 3.9 11.7 4.4

20 23.1 8.10 8.1 5.7 8.7 22.8 9.0

25 46.2 15.36 12.3 8.4 14.7 45.6 15.9

32 66.0 28.68 23.4 16.2 27.6 63.0 28.5

40 105.0 35.52 28.5 19.8 36.0 102.0 37.2

50 204.0 64.08 54.0 37.2 72.0 192.0 73.2

65 315.0 - - - - - -

80 426.0 - - - - - -

100 570.0 - - - - - -

Kv values in m³/h

Control diagram: with control ball (code R)

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10 / 40

GEMÜ 717

6 Technical data

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