GEM Q40 Manuel utilisateur
GEMÜ Q40
Pneumatically operated pinch valve
Operating instructions
EN
All rights including copyrights or industrial property rights are expressly reserved.
Keep the document for future reference.
© GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG
18.06.2021
www.gemu-group.com2 / 18GEMÜ Q40
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
1.5 Safety information on the product ............... 4
2 Safety information ............................................... 5
3 Product description ............................................. 5
3.4 Product label ................................................. 6
4 Correct use .......................................................... 6
5 Order data ........................................................... 7
6 Technical data ..................................................... 8
6.1 Medium .......................................................... 8
6.3 Pressure ......................................................... 8
6.4 Actuator data ................................................. 8
6.5 Product compliance ...................................... 8
6.6 Mechanical data ............................................ 8
7 Dimensions .......................................................... 9
7.1 Actuator size 0P1 .......................................... 9
7.2 Actuator size 1P1 .......................................... 10
7.3 Actuator size 2P1 .......................................... 11
7.4 Valve body, without mounting flange ........... 11
8 Manufacturer's information .................................. 12
8.1 Delivery .......................................................... 12
8.2 Packaging ...................................................... 12
8.3 Transport ....................................................... 12
8.4 Storage ........................................................... 12
9 Installation .......................................................... 12
9.1 Preparing for installation .............................. 12
9.2 Installation position ....................................... 12
9.3 Mounting without mounting flange .............. 13
9.4 Mounting with mounting flange ................... 13
9.5 Pneumatic connection .................................. 13
9.5.1 Connecting the control medium ...... 13
10 Inspection and maintenance ................................ 13
12 Removal .............................................................. 16
13 Disposal .............................................................. 16
14 Returns ................................................................ 16
15 Declaration of Incorporation according to
2006/42/EC (Machinery Directive) ....................... 17
GEMÜ Q40www.gemu-group.com 3 / 18
www.gemu-group.com4 / 18GEMÜ Q40
1 General information
1 General information
1.1 Information
•The descriptions and instructions apply to the standard ver-
sions. For special versions not described in this document
the basic information contained herein applies in combina-
tion with any additional special documentation.
•Correct installation, operation, maintenance and repair work
ensure faultless operation of the product.
•Should there be any doubts or misunderstandings, the Ger-
man 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 tube.
Control medium
The medium whose increasing or decreasing pressure causes
the GEMÜ product to be actuated and operated.
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!
Risk of crushing!
Risk of crushing due to the compressor shutting
down!
1.5 Safety information on the product
1
Item Symbol Meaning
1 Risk of crushing!
•Do not reach into the tube crushing
area.
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Missing or illegible adhesive labels on the product must be at-
tached or replaced.
2 Safety information
The safety information in this document refers only to an indi-
vidual 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 re-
sponsible for the production of the risk analysis and for com-
pliance with the resulting precautionary measures and re-
gional safety regulations.
The document contains fundamental safety information that
must be observed during commissioning, operation and main-
tenance. 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 dangerous
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 personnel.
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 specifications.
13. Maintain the product correctly.
14. Do not carry out any maintenance work and repairs not de-
scribed in this document without consulting the manufac-
turer first.
In cases of uncertainty:
15. Consult the nearest GEMÜ sales office.
3 Product description
3.1 Construction
2
10a
8
9
3
4
5
1
6
7a
10b
8
9
7b
11 11
Item Name Materials
1 Optical position indic-
ator
PP
2 Actuator Stainless steel
3 Distance piece with
leak detection hole
Stainless steel
4 Union nut Stainless steel
5 Distance piece with
mounting flange
Stainless steel
6 Compressor Stainless steel
7a Valve body PA6
7b Valve body Stainless steel/PA6
8 Locking ring PA6
9 Tube holder PA6
10a Tube carrier PA6
10b Tube carrier Stainless steel
11 CONEXO RFID chip
3 Product description
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4 Correct use
3.2 Description
The GEMÜ Q40 2/2-way pinch valve has a stainless steel pis-
ton actuator and is pneumatically operated. The valve guides
a tube which is compressed from above by a compressor to
control and regulate media. The compressor's specially de-
veloped contour and the inserts' contour minimise the strain
on the tube and thus increase the tubes' service life. Tubes
can be safely inserted and removed in simple steps and
without tools. The available control functions are "normally
closed (NC)" and "normally open (NO)". An integral optical po-
sition indicator is standard.
3.3 Function
The product controls a flowing medium by being closed or
opened by a control medium.
3.4 Product label
The product label is located on the actuator. Product label
data (example):
Design in accordance with order data
Item number
Device-specific data
Year of manufacture
Traceability number Counting number
12103529 I0001
The month of manufacture is encoded in the traceability num-
ber and can be obtained from GEMÜ. The product was manu-
factured in Germany.
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 in
this document.
NOTICE
Suitability of the product.
▶The product must be appropriate for the tube's operating
conditions (medium, medium concentration, temperature
and pressure) and the respective ambient conditions.
The product is designed to control a working medium guided
in a tube.
The product is not intended for use in potentially explosive
areas.
●Use the product in accordance with the technical data.
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
Pinch valve, pneumatically operated,
stainless steel piston actuator
Q40
2 Tube inside diameter Code
1/8 " inside diameter 2
1/4 " inside diameter 4
3/8 " inside diameter 6
1/2 " inside diameter 8
3/4 " inside diameter 12
1 " inside diameter 16
3 Tube outside diameter Code
6.350 mm outside diameter DA
9.520- 9.530 mm outside diameter DC
11.110 mm outside diameter DD
12.700 mm outside diameter DE
15.880 mm outside diameter DG
19.100 mm outside diameter DH
22.230 mm outside diameter DI
28.580- 31.750 mm outside diameter DK
35.690- 38.100 mm outside diameter DM
4 Tube carrier version Code
Plastic version, tube carrier stainless steel &
tube holder PA
7P
Plastic version, tube carrier PA &
tube holder PA
PA
5 Control function Code
Normally closed (NC) 1
Normally open (NO) 2
6 Actuator version Code
Actuator size 0P1 0P1
Actuator size 1P1 1P1
Actuator size 2P1 2P1
7 Mounting option Code
Without mounting flange, with 4 threaded holes in
the body
0
With mounting flange at bottom FB
With mounting flange at top FT
8 CONEXO Code
Without
Integrated RFID chip for electronic identification
and traceability
C
Order example
Ordering option Code Description
1 Type Q40 Pinch valve, pneumatically operated,
stainless steel piston actuator
2 Tube inside diameter 8 1/2 " inside diameter
3 Tube outside diameter DH 19.100 mm outside diameter
4 Tube carrier version 7P Plastic version, tube carrier stainless steel &
tube holder PA
5 Control function 1 Normally closed (NC)
6 Actuator version 1P1 Actuator size 1P1
7 Mounting option 0 Without mounting flange, with 4 threaded holes in the body
8 CONEXO Without
5 Order data
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6 Technical data
6.1 Medium
Working medium: Please observe the tube manufacturer's specifications
Control medium: Inert gases
6.2 Temperature
Media temperature: Please observe the tube manufacturer's specifications
Ambient temperature: Actuator: 0 — 60 °C, Tube: Please observe the tube manufacturer's specifications
Control medium temper-
ature:
max. 60 °C
Storage temperature: 0 — 60 °C
6.3 Pressure
Operating pressure: Please observe the tube manufacturer's specifications
Control pressure: Normally closed (NC) 4 – 7 bar
Normally open (NO) 2.5–4 bar
6.4 Actuator data
Filling volume: Actuator size 0P1 0.025 dm³
Actuator size 1P1 0.084 dm³
Actuator size 2P1 0.437 dm³
Piston diameter: Actuator size 0P1 42 mm
Actuator size 1P1 60 mm
Actuator size 2P1 100 mm
6.5 Product compliance
Machinery Directive: 2006/42/EC
6.6 Mechanical data
Weight: Actuator
Actuator size 0P1 0.6 kg
Actuator size 1P1 1.3 kg
Actuator size 2P1 4.2 kg
Installation position: Optional
Valve body
Actuator size 0P1 Stainless steel/PA6 0.2 kg
Actuator size 1P1 PA6 0.066 kg
Stainless steel/PA6 0.228 kg
Actuator size 2P1 Stainless steel/PA6 4.74 kg
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6 Technical data
7 Dimensions
7.1 Actuator size 0P1
A
ØB
H1
H2 CT
ØD
Ød1
Ød
Øk
ØL
G
M
A ØB CT ØD Ød Ød1 G H1 H2 Øk ØL M
127.0 46.0 170.0 39.0 58.0 30.5 G1/4 43.0 15.6 49.0 4.5 M16x1
Dimensions in mm
GEMÜ Q40www.gemu-group.com 9 / 18
7 Dimensions
7.2 Actuator size 1P1
A
ØB
H1
H2 CT
ØD
Ød1
Ød
Øk
ØL
G
M
Valve
body
code
A ØB CT ØD Ød Ød1 G H1 H2 Øk ØL M
7P 164.0 63.0 227.0 56.0 84.0 47.8 G1/8 63.0 26.0 72.0 6.5 M16x1
PA 164.0 63.0 227.0 56.0 84.0 47.8 G1/8 63.0 34.0 72.0 6.5 M16x1
Dimensions in mm
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7 Dimensions
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