Tab. 16Part number and de signation DN 8 0-100, NO
DA .................. ........................... 22
Table of contents
300 719BA-2017.10.26 ENMV 3103
About this document
1About this document
This manual
• ispartofthefitting
•applies to all series referred to
•describes safe and proper operation during all operating
phases
1.1Target groups
Operating company
•Responsibilities:
–Keep this manual ava ilable at the place of operatio n,
also for future use.
–Ensure that employees read and observe this manual
and other applicable documents, especially the safety
instructions and warnings.
–Observe any additional cou ntry-specific rules and reg-
ulations that relate to the system.
Qualified personnel, fitter
•Mechani cs qualification:
–Qualified employees with additiona l training for fitting
therespectivepipework
•Electrical q ualification:
–Qualified electrician
•Respon s ibi lity:
–Read, observe and follow this manual and the other
applicable documents, especially all safety instructions
and warnings.
1.2Other applicable documents
Resistance lists
Resistance of materials used to chemicals
www.asv-stuebbe.de/pdf_resistance/300051.pdf
Data sheet
Technical data and conditions of operation
www.asv-stuebbe.de/pdf_datasheets/300848.pdf
CE declaration of conformity
Conformity with standards
www.asv-stuebbe.de/pdf_DOC/300168.pdf
Tab. 1Other application documents, purpose
and where found
1.3Warnings and symbols
Symbol
1., 2., ...Multiple-step instructions
→
Tab. 2Warnings and symbols
Meaning
•Immediate acute risk
•Death, serious bodily harm
•Potentially acute risk
•Death, serious bodily harm
•Potentially hazardous situation
•Minor injury
•Potentially hazar
•Material damage
Safety warning sign
Take no te of all informatio n
highlighted by the safety warning
sign and follow the instructions to
avoid injury or death.
Instruction
Precondition
Cross reference
Information, notes
dous situa tion
4MV 310BA-2017.10.26 EN300 719
2Safety instructions
Safety instructions
The manufacturer accepts no liability for damages caused
by disregarding any of the docu mentation.
2.1Intended use
•Onlyusethefitting to shut off pipes for appropriate media
(→ Resistance list).
•Adhere to the operating limits (→ Data sheet).
2.2General safety instructions
Read and observe the following re gulations before carrying
out any work.
2.2.1Obligations of the operating company
Safety-conscious working
•Only operate the fittingifitisinperfecttechnical condition
and only use it as intended, remaining aware of safety and
risks, and adhering to the instructions in this manual.
•Ensure that the following safety aspects are observed and
monitored:
–Intended use
–Statutory or other safety and accident-prevention reg-
ulations
–Safety regulations governing the handling of haz-
ardous substances
–Applicable standards and guidelines in th e country
where the pump is operated
•Make personal protective equipment available.
2.2.2Obligations of personnel
•Observe the instructions on the fitting and keep them legible, e.g. name plate and identification marking for fluid
connections.
•Only carry out work on the fitting if the following requirements are met:
–System is empty
–System has been flushed
–System is depressurized
–System has cooled down
–System is secured against being switched back on
again
•Do not make any modifications to the device.
2.3Specifichazards
2.3.1Hazardous media
•When handling hazardous media (e.g. hot, flammable,
explosive, toxic, hazardous to health or the environment),
observe the safety regu lations for the handling of hazardous substances.
•Use personal protective equipment when carrying out any
work on the fitting.
•Collect leaking pumped liquid and residues in a safe manner and dispose of in accordance with environmental regulations.
Qualified personnel
•Ensure all personne l tasked with work on the fitting have
read and understoo d this manual and all other applica
documents, especially the safety, maintenanc
information, before they start any work.
•Organ ize responsibilities, areas of competence and the
supervision of personnel.
•The following work should be carried out by specialist technicians only:
–Installation, repair and maintenance work
–Work on the electrical system
•Make sure that perso nnel to be trained only wo
fitting unde r the supervision of specialist technicia
e and repair
ble
rk on the
ns.
300 719BA-2017.10.26 ENMV 3105
Layout and Function
3Layout and Function
3.1Marking
3.1.1Name plate
1
2
1
MV310
2
3
4
Fig. 1Name plate (exa mple)
1Type
2IDnumber
3Nominal pressure [bar] / Nominal diameter [mm]
4Materials (valve body, diaphragm, other gaskets)
5Date of manufacture - Series numbe r
Id No
PN/DN
PP • PTFE • FPM
145039
6 / 15
1407-87345
5
3.2Assembly
Compressed air operated diaphragm valve for shutting off
pipelines or regulating systems.
•Optional flow direction
•Valve lift OPEN/CLOSE
•Option al installation position
•Valve functions
–Normallyclosed(NC)
–Normally open (NO)
–Double acting (DA)
3
4
Fig. 2Structure (manual operation)
1Indicator cap
2Handwheel
3Upper part of housing
4Valve body
1
2
3
4
Fig. 3Structure (pneumatic operation)
1Indicator cap
2Upper part of drive housing
3Lower part of drive housing
4Valve body
6MV 310BA-2017.10.26 EN300 719
4Transport, Storage
and Disposal
Transport, Storage and Disposal
4.1Unpacking and insp ection on delivery
1. Unpack the fitting when received and inspect it for transportation damage.
2. Report any transportation damage to the manufacturer
immediately.
3. Ensure that the information on the name plate agrees with
the order/design data.
4. With immediate installation, dispose of packaging material
according to local regulations.
–For later installation, leave the fitting in the original
packaging.
4.2Transportation
1. If possible, transport fitting(includingdrive)intheoriginal
packaging.
2. Lift fitting manually for transport. For weight specifications
(→ Data sheet).
4.3Storage
NOTE
Material damage due to inappropriate storage!
Store the fitting properly.
4.4Disposal
Plastic parts can be contaminated by poisonous or radioactive media to such an extent that cleaning wil l not be suffi-
cient.
WARNING
Risk of poisoning and environmental damage from
medium!
Use personal protective equipment when carrying out any
work on the fitting.
Before disposing of the fitting:
–Collect escaping medium and dispose separately
according to local regulations.
–Neutralize residues of med ium in the fitting.
Remove plastic parts and dispose of them in accordance
with local regulations.
Dispose of the fitting in accordance with local regulations.
Make sure the storage room meets the following conditions:
–Dry
–Frost-free
–Vibration-free
–Not in direct sunlight
–Storage temperature +10 °C to +60 °C
300 719BA-2017.10.26 ENMV 3107
Installation and connection
5Installation and connection
5.1Preparing for installation
5.1.1Check operating conditions
1. Ensure the design of the fitting is consistent with the purpose intended:
–Materials used (→ Type plate).
–Medium(→ Order and design data).
2. Ensure the required operating conditions are met:
–Resistance of body and seal material to the medium
(→ Resistance lists).
–Media temp erature (→ Data sheet).
–Operating pressure (→ Data sheet).
3. Consult with the manufacturer regarding any other use of
the device.
5.2Planning pipelines
5.2.1Designing pipelines
WARNING
Risk of poisoning and environmental damage from
medium!
Leaks due to impermissible pipework forces.
Ensure that the fitting is not subject to any pulling or thrusting forces or bending moments.
5.3Installing fittinginpipe
WARNING
Risk of poisoning and environmental damage from
medium!
Leak due to faulty installation.
Installation work on the pipes should only be performed
by technicians who have been specially trained for the
pipework in question.
NOTE
Material damage due to contamination of the fitting!
Make sure no contamination reaches the fitting.
Flush the pipe with a neutral medium.
The fittingisinstalledaccordingtotheconnectiontypeof
the pipes.
5.3.1Connection with solvent welding/butt-weld
spigot ends
Do not connect the ASV valve body in the version “fixed
connector” by means of butt-welding.
This applies to the heating element as well as infrared buttwelding procedures.
1. Plan pipes safely:
–No pulling or thrusting forces
–No bending moments
–Adjust for changes in length due to temperature
changes (compensators, exp ansi on shanks)
–Optional flow direction
–Optional installation position and direction
2. Dimensio ns (→ Data sheet).
1. Prepare pipe ends according to connection type.
2. Adhesive ly apply or weld fitting with solvent welding/buttweld socket ends (→ manufacturer specifications).
5.3.2Connection w ith flan ge
1. Prepare pipe ends according to connection type.
2. Radial ly push the fitting and flat seal between the flange
ends.
3. Bolt fitting and flange with flange screws, nuts and washers.
While doing so, observe tightening torques: (→ Ta b l e
8 Tightening torque of flange connection, Page 16).
5.3.3Connection with union nut and insert
1. Prepare pipe ends according to connection type.
2. Unscrew union nuts and slide over free pipe ends.
–Check mounting direction.
3. Conne c t inserts with pipe ends.
4. Position fitting between the pipe ends.
–Any p ositio n of the compressed air drive
5. Hand-tighten the union nut.
8MV 310BA-2017.10.26 EN300 719
5.4Connecting the drive
Fig. 4Limit switch, type VCSP
Aclosed
Bopen
Installation and connection
LL
Fig. 6Limit switch, type NBB2–V3–E2
LLoad
Aclosed
Bopen
Fig. 5Limit switch, type Nj2–V3–N
Aclosed
Bopen
A
Fig. 7C ompressed air, control function NC
A Open valve
A
B
Fig. 8Compressed air, control functi on NO DA
A Close valve
B Open valve
300 719BA-2017.10.26 ENMV 3109
Installation and connection
5.4.1Installing limit switch
Only necessary for fittings with limit switches.
DANGER
Risk of electrocution!
All electrical work mus t be carried out by qualified electricians only.
1. Mount limit switch unit onto fi tting.
2. Connect limit switch:
–(→ Figure Limit switch, type VCSP, Page 9).
–(→ Figure Limit switch, type Nj2–V3–N, Page 9).
–(→ Figure Limit switch, type NBB2–V3–E2, Page 9).
5.4.2Pneumatic connectio n
Solenoid pilot valves are available for control of the compressed air drive:
–3/2-way valve for single-acting drives
–5/2-way valve for double-acting drives
CAUTION
5.5Performing the hydrostatic test
Pressure test using neutral medium, e.g. water.
1. Pressurize the fitting. ensuring:
–Test pressure < p ermissible system pressure
–Test pressure < 1.5 PN
–Test pressure < PN + 5 bar
2. Check the fi tting for leaks.
Risk of injury from compressed air!
All work on the compressed air system must be carried out
by qualified technicians.
Connect compressed ai r lines to the compressed air drive:
–(→ Figure Compressed air, control function NC,
Page 9).
–(→ Figure Compressed air, control function NO DA,
Page 9).
Control
pressure on
Function
Normally closed (NC)
Normally open (NO)
Double acting (DA)
Tab. 3Compressed air connection
5.4.3Checking the function of the drive
Open and close fitting using the pneumatic connection, the
indicator pin signals the corresponding position
–lowered: Fitting is closed
–protruding: Fitting is open
a
–open
close
close
b
–
open
10MV 310BA-2017.10.26 EN300 719
6Operation
WARNING
Risk of injury and poisoning due to medium spraying out!
Use personal protective equipment when carrying out any
work on the fitting.
6.1Commissioning
Fitting correctly installed and connected
1. Open and close fitting, the indicator pin sign als the corresponding position
–lowered: Fitting is closed
–protruding: Fitting is open
2. After the initial stresses due to pressure and operating temperature, check if the fitting is sealed.
6.2Manual operation
Operation
Fitting correctly installed and connected
Operate manually operated fittings as follows (depending
on fitting size, turn 4–8 times):
–Turn handwheel clockwise: Close valve.
–Turn handwheel anti-clockwise: Open valve.
6.3Emergency operation
Applies to pneumatically activated valves NC,
DN 15–DN 50.
Turn adjustment screw (3.8) clockwise to open the valve if
the pressure falls.
6.4Set lift
Applies to pneumatically operated valves DN 15–DN 50,
special design with metal screw in the top part of the drive.
Turn screw (3.30) as follows to set the lift:
–Turn clockwise : Limit lift.
–Turn anti-clockwise: Increase lift.
300 719BA-2017.10.26 ENMV 31011
Maintenance
7Maintenance
WARNING
Risk of injury and poisoning due to hazardous media liquids!
Use personal protective equipment when carrying out any
work on the fitting.
7.1Servicing
1. Visual and function check (every three months):
–Normal operating c onditions unchanged
–Noleaks
–No unusual operating noise s or vibrations
2. Ensure that fitting functions properly (opening, closing).
3. Clean the fitting with a moist cloth if necessary.
4. Retighten housing screws (→ Table 8 Tightening torque of
flange connection, Page 16).
5. Check diaphragm for wear and replace if necessary:
Max. number of
Diaphragm material
EPDM150,000
FPM100,000
PTFE (EPDM)
Tab. 4Diaphragm maintenance interval
1) Applies to water at 20 °C. For different conditions
(chemicals, media that contains solids/abrasives),
shorten the maintenance intervals.
operations
100,000
1)
7.2Maintenance
DANGER
Risk of electrocution!
All electrical work mus t be carried out by qualified electricians only.
WARNING
Risk of injury and poisoning due to hazardous or hot
media!
Use personal protective equipment when carrying out any
work on the fitting.
Safely collect the media and dispose of it in accordance
with environmental regulations.
WARNING
Risk of injury during disassembly!
Wear protective gloves, components can be very sharpedged due to wear or damage.
Remove components with springs (e.g. pneumatic drive)
carefully, since spring tension can cause componen ts to
be ejected.
7.2.1Removing fitting
1. Ensure that:
–System is empty
–System has been flushe d
–System is depressurized
–System has cooled down
–System is secured against being switched back on
again
2. Remove fitti ng from the pipe.
3. Decontaminate fitting if required.
–Deadspaceinthefitting may still contain medium.
12MV 310BA-2017.10.26 EN300 719
Maintenance
7.2.2Fixing leaks in the port
Depending on the fitting type, note the following drawings:
•DN 15–DN 50: (→ 9.4.2 Part name DN 15–DN 50, pneu-
matic, Page 18).
•DN65:(→ 9.4.3 Part name DN 65, pneumatic, Page 20).
•DN 80, DN 100: (→ 9.4.4 Part designation DN 80–100,
connection B to bring the drive into the open position
–For NO and DA drives, this is not necessary.
2. Depen ding on the fitting type, remove the following connection elements:
–DN 15–DN 50: Hexagon screw (5)
–DN 65: Bolt (13) and washer (12)
–DN 80, DN100: Screw (35), stud bolt (36 ), nut (37) and
washer (38)
3. Depen ding on the fi tting type, remove lift drive as follows:
–DN 15–DN 50: Remove lower part (3.1.) and upper
part (3.2) of drive housing.
–DN 65: Remove drive (1).
–DN 80, DN100: Remove upper (2) and lower part (18)
of the drive.
4. For NC drives on connection B, release compressed air.
5. Depen ding on the fitting type, screw out the following
diaphragm a nd dispose of it in an environmentally-friendly
manner:
–DN 15–DN 50: Diaphragm (2).
–DN 65: Diaphragm seal (7)
–DN 80, DN100: Diaphragm (24)
6. Depending on the fitting type, ensure that the following
pressure piece is resting freely in the ducts:
–DN 15–DN 50: Pressure piece (3.3)
–DN 65: Compressor (6)
–DN 80, DN100: Pressure piece (23)
7. Depending on the fitting type, check sealing areas on the
following valve body for damage:
–DN 15–DN 50: Valve body (1)
–DN 65: Valve body (8)
–DN 80, DN100: Valve body (25)
8. Lightly lubricate new diaphragm with special grease on top
of curvature and on thread (recommended special grease:
Syntheso ProAA2).
9. Screw diaphragm into spindle clockwise until resistance is
felt.
10. Depending on the fitting type unscrew diaphrag m until the
diaphragm hole pattern matches the following valve body
(max. 180°):
–DN 15–DN 50: Valve body (1)
–DN 65: Valve body (8)
–DN 80, DN100: Valve body (25)
11. Depending on the fitting type, screw in the following connection elements and tighten via the cross. Ensure uniform
contact pressure:
–DN 15–DN 50: Hexagon screw (5) .
–DN 65: Bolt (13) and washer (12)
–DN 80, DN100: Screw (35), stud bolt (36), nut (37) and
washer (38)
12. Depending on the fitting type, tighten the following conn ection elements with tightening torque ( → Table 8 Tightening
torque of flange connection, Page 16).:
–DN 15–DN 50: Hexagon screw (5)
–DN65:Bolt(13)
–DN 80, D N100: Screw (35) and nut (37)
7.3Replacement parts and retu rn
1. Have the following information ready to hand when ordering spare parts (→ Type plate).
–Fitting type
–ID number
–Nominal pressure and diameter
–Body and seal material
2. Please complete and enclose the document of compliance
for returns (→ www.asv-stuebbe.com/service/downloads).
3. Only use spare parts from ASV Stübbe.
300 719BA-2017.10.26 ENMV 31013
Troubleshooting
8Troubleshooting
WARNING
Risk of injury and poisoning due to hazardous or hot
media!
Use personal protective equipment when carrying out any
work on the fitting.
Safely collect the media and dispose of it in accordance
with environmental regulations.
Consult with the ma nufacturer regarding faults which are not
identified in the following table, or which cannot be traced to
the indicated causes.
ErrorPossible cause
Control f unction i s not right
Medium escapes between housing and
diaphragm
Medium escapes at the driveDiaphragm leaky
Fitting does not close completely
Tab. 5Troubleshooting
Control connections mixed upConnect control connections
Compressed air connection mixed up at
solenoid pilot valve
Electrical connection faulty
Housing screws too looseTighten housing screws
Control pressure too lowCheck compressed air supply.
Diaphragm leaky
Drive defective
Corrective action
correctly.
Check compressed air connection
and correct if necessary
(→ supplementary instructions
for drives).
Check electric connect and correct
if necessary (→ supplementary
instructions for limit switch).
(→ Table 8 Tightening torque of
flange connection, Page 16).
(→ 7.2.2 Fixing leaks in the port,
Page 13).
Ensure sufficient air pressure
(→ 9.1.2 Control air connections,
Page 15).
(→ 7.2.2 Fixing leaks in the port,
Page 13).
Replace drive.
14MV 310BA-2017.10.26 EN300 719
9Appendix
9.1Technical specifications
Technical data (→ Data sheet).
9.1.1Mechanical specifications
SizeValue
Process conditions (medium)
Pressure and temperature→ Data sheet
Materials in contact with medium
Diaphragm
sealingFPM, EPDM
Housing
EPDM, FPM, PTFE (EPD M
diaphragm, PTFE-coated on
medium-side)
PVC-U, PP, PVDF
Appendix
Materials not in contact with medium
Upper part
Tab. 6Mechanical specifications
9.1.2Control air connections
•Maximum control pressu re
–5 bar for DN65 NO and for DN65 DA
–6 bar for other fittings
•Compressed air classes according to ISO 8573-1
– 2or3atT<0°C
– 3or4atT>0°C
•Control pressure diagram (→ Data sheet).
PP, glass fiber reinforced
300 719BA-2017.10.26 ENMV 31015
Appendix
9.2Tightening torques
9.2.1Housing
Fitting sizeTightening torque housing screw [Nm]
d [mm]DN [mm]Manual operation