UNI Geräte EVF Series Operating And Mounting Manual

Operating and mounting manual (translation)
EVF

Operating and mounting manual

Safety shut off valve
gas – solenoid valve

EVF

Contents

1.0 General Remarks

1.1 Valve data

1.2 Application

2.0 Danger Notices

2.1 Safety terms

2.2 Safety notice

2.3 Qualified staff

2.4 Unauthorized modification and spare part production

2.5 Unauthorized operation

2.6 Safety information for the use in explosion-prone areas guideline 94/9/EC

3.0 Handling

3.1 Transport

3.2 Storage

3.3 Handling before mounting

4.0 Product Description

4.1 Function

4.2 Technical data

4.3 Marking

5.0 Installation

5.1 Warning of dangers during installation, operation and maintenance

5.2 Installation

6.0 Operation

6.1 Commissioning

6.2 Shutting down

6.3 Maintenance

6.4 Putting back into operating

7.0 Troubleshooting

7.1 Detection of defects

7.2 Troubleshooting plan

8.0 Dismantling of the Valve

8.1 Replacement of spare parts

9.0 Warranty

10.0 Explanations on Codes and Directives

11.0 Drawing

11.1 Sectional drawing

11.2 View drawing

11.3 List of parts

12.0 Declaration of Conformity

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1.0 General Remarks

This operating manual includes instructions to assemble and operate the valve in the prescribed and
safe way. Additionally, the adeqaute operating instructions (BTA) of each special solenoid drive
must be considered.

Series MG... 220.100.038
Series MG...X 220.100.040
Series MG…Xme 220.100.039

If any difficulties appear that can not be solved by means of the operation instructions, further
information may be demanded from the manufacturer.
This operating manual is in accordance with the relevant valid EN safety standards and the valid
prescriptions and rules of the Federal Republic of Germany.If the solenoids are used abroad of the
FRG, the operator and/or the person who is responsible for the plant concept must take care that the
valid national rules are met.The manufacturer reserves the right of any technical change and
improvement.The use of these operating instructions suppose the qualification of the user according to
paragraph 2.3 “qualified staff”.
The operating staff must be trained in accordance with the operating instructions. The operating
manual must always be available at the location where used.

1.1 Valve data
Manufacturer:

UNI Geräte E. Mangelmann
Elektrotechnische Fabrik GmbH
Holtumsweg 13
D-47652 Weeze
Telefon: [phone]
Fax: [phone]
E-Mail: [e-mail]
Homepage: www.uni-geraete.de

Designation

Directly functioning, currentless closed, spring safety shut off valve with magnet drive.

Type test acc. to 97/23/EC
E DIN EN 16678 Kl. A, Gr. 2
DIN EN 13611, DIN 3394-1 Gr. A

Working pressure: 40-EVF..NH.Ü.. 0 - 40bar

55-EVF..NH.Ü.. 0 - 55bar

Medium temperature: 40-EVF..NH.Ü.. -20°C to + 210°C
55-EVF..NH.Ü.. -20°C to + 230°C

Ambient temperature: -20°C to + 60°C

Fitting position: vertical or horizontal drive.

Switching cycles: see operating instructions (BTA) solenoid drive

Flange connection measures acc. to DIN EN 1092-2 / ANSI
Flange DN

Flange ANSI
40-EVF..NH.Ü.Av.. 40 V490 2015 B2 X X X - - - ­55-EVF..NH.Ü.Av.. 160 V490 2015 B2 X n.a. X - - - -

X Type test acc. to 97/23/EC, O Acceptance test certificate 3.2 possible, - not available,

n.a. not available

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PN Report no. 15

(5N)

1/2

20

(7N)

3/4

25

(10N)

1

32

(12N)

1 1/4

40

(15N)

1 1/2

50

(20N)

2

65

(25)

2 1/2

Operating and mounting manual (translation)
EVF

Voltage: VDC 12 – 440 (–15% to +10%)

VAC 24 – 500 (–15% to +10%)

Protection type: IP54 or IP65
Frequency: 40 – 60 Hz
Power: 10 – 4000W

Details to the electrical data can be found on the type signand the adeqaute operating instructions of
the solenoid valves.

1.2 Application
The UNI Geräte Gas – Solenoid valves 40/55-EVF..NH.Ü.. are used as automatic safety shut-off
valves for protection, limitation, shut-off and release of gas and air supply at main stops of in front of
gas burners. e.g. to DIN EN 13611, DIN 3394-1 and DIN EN 16678..

The valves are suitable for gases of the 1

st

, 2nd and 3rd gas families to G260 and for neutral gases and
as a variant with material design for aggressive gases such as e.g. biogas, sewage plant gas or dump
gas to G262.

If used in other cases, the operator must carefully check if construction/design of valve, accessories
and materials are suitable for the new application. The range of application is subject to the
responsibility of the plant planner. The service life of the valve is 20 years.

2.0 Danger Notices

2.1 Safety terms

The signal terms DANGER, CAUTION und NOTICE are used in this operating manual in case of
notices concerning special dangers, or for unusal information requiring a special marking.

DANGER! means that in case of non-observance there is danger to life and/or
considerable damage.

CAUTION! means that in case of non-observance there is danger of injury and/or
damage.

NOTICE! means that attention is drawn to technical correlations/connections.

Observance of other, not especially marked notices concerning transport, assembly, operation and
maintenance and other data (in the operating manual, product documentation and at the unit itself) is
also essential, in order to avoid disturbances that might affect direct or indirect damage to property or
injury to persons.

2.2 Safety notice
Non observance of safety instructions can lead to loss of any claim for damages.

Non observance can lead to the following mentioned dangers:

 Failure of important functions of the valve/plant
 Endangering of persons by electrical or mechanical influences.
 Protection against accidental contact for moving parts may not be removed as long as the

valve is in operation.

 Leakage of dangerous media (e.g. explosive, toxic, hot) must be removed in the way that

there is no danger for persons or environment. Laws and regulations must be observed.

2.3 Qualified staff
These are persons who are familiar with erection, assembly, starting, operation and maintenance of
the product and who have special qualifications acc. to their activities and functions, e.g.:

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 Instruction and obligation to carry out and meet all regional and in-house orders and

requirements.

 Education or instruction according to the safety engineering standards in use and

maintenance of adequate safety and working protection equipment.

 Training in first aid.

2.4 Unauthorized modification and spare part production

Modification or changes of the valve are only allowed after agreement of the manufacturer. Original
drawings and accessories authorized by the manufacturer are for safety purposes. The use of other
parts or unauthorized constructive changes at the valve by third persons may cancel and abolish the
manufacturere’s liability for resulting consequences.

2.5 Unauthorized operation
Operational reliability of the delivered valve is only guaranteed in case of determined use in
accordance to paragraph 1 of the operating manual. The application limits mentioned on the type

sign may on no account be exceeded.

2.6 Safety information for the use in explosion-prone areas guideline 94/9/EC

 The temperature of the medium must not exceed the respective temperature class, and

respectively, the respective maximum permitted medium temperature as per operation
guideline.

 If the valve is heated (e.g. heating jacket), care must be taken, that the specified temperature

class is kept in the time.

 The valve must be connected to the ground.

In the case most simple this can be realized via pipe screws by means of tooth disc.
Otherwise the connection to the ground must be implemented by other measures e.g. cable
links.

 Control valves, electrical and electrical/mechanical drives as well as sensors must undergo a

separate conformity check as per ATEX. In doing so the respective safety and explosion
protection information in the operation instructions are to taken into special consideration.

 Any modifications whatsoever to the valve are not allowed. The ATEX approval is void with

immediate effect if the valve is modified without prior authorisation (even including painting).

 UNI-Geräte GmbH must be consulted before any modifications are made.

Furthermore we point out the guideline 95/C332/06(ATEX 118a), which include the minimum
regulations for the improvement of the health-related situation and the safety of the employees, who
might be jeopardized by an explosive atmosphere.

3.0 Handling

3.1 Transport

For any transport works, the generally recognised technical rules and standards as well as rules for
prevention of accidents must be observed.

In case of transport, storage and stopping, the flange protection caps must be mounted at both valve
flanges.

The goods to be transported must be carefully treated. During transport, the valve must be protected
against strokes, impacts or vibration. The coat of lacquer may not be damaged. Transport temperature
is –20°C up to +60°C.

Never transport the valve at screwed cable glands, appliance plugs or add-on units. The valve
can be transported at ring nuts, flange borings or by means of a belt under the solenoid drive.

Transport the valve in a case or on a pallet with smooth base and put it softly on plain floor. Never put

the valve on limit switch box.

The goods must be checked on completeness and transport damage. See also section 9.0

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3.2 Storage

If the valve is not installed immediately after delivery, it must be stored properly.

 Storage temperature -20°C up to +60°C, dry and clean.
 The lacquering protects against corrosion in neutral dry atmosphere. Do not damage colour.
 In humid rooms, a drying agent or a heating resp. is necessary because of condensation of

water.

Requirements according to DIN 7716 (products made of caoutchouc and rubber) must be met.

3.3 Handling before mounting

 In case of valve with protection caps, they must be removed before being mounted!
 Protect against atmospheric influences such as humidity.
 Appropriate treatment protects against damage.

4.0 Product Description

The UNI-Geräte Gas-solenoid valves of the series 40/55-EVF…NH.Ü.. are directly controlled
currentless closed shut-off valves with fast shut-off function as per DIN EN 13611, DIN 3394-1 and
DIN EN 16678 with solenoid valve.

Sectional drawing 11.1 Fig. in Fig. 1 show the valve construction.

4.1 Function

On switching on of the solenoid drive (800) the solenoid core (207) is pulled against the upper part of
housing (106). The pressure spring (503) is further prestressed and the valve disk (200) opens the
valve cross section. The valve is open.

On shutting off, supply interruption or supply failure the valve closes to the solenoid drive. The valve
disk (200) closes due to the pre-stress of the pressure spring (503). The valve is closed.

4.2 Technical data
Opening times: 0,3 – 0,7s
Closing times:  1s

Solenoid –drive types MG...
Flange DN

Flange ANSI

40-EVF…NH.Ü.Av…
55-EVF…NH.Ü.Av…

Drive types with “Av” consist of pickup and holding winding

Max. valve loading by pipe power
The indicated moments may not work longer than 10s.

DN 8 10 15 20 25 32 40 50 65 80 100 125 150

Torsion Nm

Bending Nm

1)

Not valid in case of valves with flanges

80 35 50 86 125 160 200 250
35 70 105 225 340 475 610 1100 1600 2400 5000 6000 7600

Starting torque, pipe screws greased

DN 8 10 15 20 25 32 40 50 65 80 100 125 150

Torque Nm

20 30 30 30 30 50 50 50 50 50 80 160 160

Starting torque, product screws and nuts greased

Screw M6 M8 M10 M12 M16 M20 M24

Torque Nm

15

(5N)

1/2

019A1 019A1 019A2 - - ­019A2 - 019A3 - - -

20

(7N)

3/4

25

(10N)

1

32

(12N)

1 1/4

3251)400

40

(15N)

1 1/2

50

(20N)

2

- - -

5 11 22 39 70 110 150

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4.3 Marking

The type sign on the solenoid drive has the following information:

 Fabricator
 Valve type, nominal width, pressure and temperature indication, fitting position
 Year of construction/ production no.
 Product ID No.
 Valve class and valve group acc. to DIN EN 16678, DIN 3394-1
 No. of relevant location to 97/23/EC
 Fluid group and test pressure PT to 97/23/EC
 Solenoid drive type
 Electr. performance
 Voltage
 Frequency
 Protection type

When using solenoid drives for x-protection zone 1 refer to information in the valid operating
instructions.
Refer also to section 10.0.

5.0 Installation

5.1 Warning of dangers during installation, operation and maintenance

DANGER!

Safe operation of the valve can only be guaranteed if it is installed, commissioned
and maintained by qualified personnel (see point 2.3 “Qualified staff“) correctly and
in observance of the warnings in this operating manual. Apart from that, the
operation safety order and the qualified use of tools and protection equipment must
be guaranteed. The operating instructions for the valve must be observed during all
work on or with the valve. Failure to observe these instructions may result in injury
or in damage to the valve or other installations.

When the valve is used as a final sealing element, a safety precaution e.g. blanking disc, blind flange,
etc., in accordance with the code of practice of the German Technical and Scientific Association for
Gas and Water (DVGW) is recommended during all repair work.

5.2 Installation

Apart from the general installation guidelines, the following points should be observed:

NOTICE!

 Remove the flange covers.
 The inside of the valve and the pipeline must be free from foreign particles.
 Observe the installation position in relation to the flow direction, see markings

on the valve.

 Centre gaskets between the flanges.
 The connecting flanges must be aligned.
 Ensure that none of the components is strained during installation.
 The valve must not be used as a fixed point; it is supported by the pipework

system.

 Protect valves from soiling, particularly during construction work.
 Thermal expansion of the pipework must be equalized using compensators.

NOTICE!

Please observe the solenoid drive operating instructions (BTA).

6.0 Operation

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DANGER!

Before commissioning a new installation or before starting up an installation again
after repairs or modifications, ensure:

 The proper completion of all installation and assembly work!
 Commissioning only by “qualified staff” (see point 2.3).
 Installation or repair of existing guards and protection equipment.

6.1 Commissioning

 Before commissioning, check the data on material, pressure, temperature and flow direction

with the layout plan of the pipework system.

 Depending on the field of application, the local regulations have to be observed, e.g. the

operation safety order.

 Residues in the pipework and the valve (dirt, weld beads, etc.) will inevitably result in leaks.
 Leakage inspection of the installed valve.

6.2 Shutting down

 Depending on the field of application, the local regulations have to be observed, e.g. the

operation safety order.

6.3 Maintenance

Solenoid valves have to be checked at regular intervals for proper function and internal leak tightness.
The intervals for regular inspections have to be defined by the operator according to the operating
conditions. UNI-Geräte recommends an internal visual inspection once a year and an overhaul of the
valve after 2 years or after the following number of switching cycles at the latest:

Application

temperature

≤ 25°C
> 25°C

Repair or maintenance works at the manufacturing company (UNI- Geräte)

 Valves and fittings must be delivered clean and free from substances which are harmful to

health or to the environment

6.4 Putting back into operation

When putting a valve back into operation, ensure that all the necessary steps described in section 5.2
(Installation) and section 6.1 (Commissioning) are repeated.

DN ≤ 25 ≤ DN 80 ≤ DN 150 > DN 150

150 000 75 000 25 000 20 000

50 000 25 000 25 000 5 000

7.0 Troubleshooting

7.1 Detection of defects

DANGER!
Be sure to observe the safety instructions during troubleshooting.

If the malfunctions cannot be remedied using the following “Troubleshooting plan (7.2)” please
contact the manufacturer.

In the event of faults in the function or operating behaviour of the valve, check whether the installation
work was carried out and completed as described in this operating manual.
Depending on the field of application, the operation safety order must be observed.

Check the data on material, pressure, temperature, voltage and flow direction with the layout plan of
the pipework system. In addition, check whether the operating conditions correspond to the technical
data in the data sheet or on the rating plate.

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7.2 Troubleshooting plan
Malfunction Possible causes Remedy

No flow Valve does not open Switch on solenoid drive (800)

Check operating voltage

Working pressure too high Compare working pressure with the data

on the rating plate

Flange covers were not removed Remove flange covers
Low flow rate Clogging in the pipework system Check pipework system
Valve leaking at seat,

no internal tightness

Valve seat gasket (400) or valve seat

(100) damaged by external particles

See section 8 replace valve

No external tightness Gaskets damaged See section 8 replace valve
Valve does not close Connected voltage too high Check whether there is residual voltage,

see section 4.1

Flange fracture (valve/
pipework)

Screws not tightened uniformly, mating

flanges not aligned

Align pipework.
Install new valve

NOTICE!

Observe section 10.0 before all installation and repair work!

Observe section 6.4 when putting the valve back into operation!

8.0 Dismantling of the Valve

In addition to the general installation guidelines and the operation safety order, the following points
must also be observed:

DANGER!

 Depressurised pipework system
 Cooled medium
 Emptied installation
 Vent pipework systems containing corrosive, inflammable, aggressive or toxic

media

 Have dismantling work carried out only by qualified staff (see point 2.3)

8.1 Replacement of spare parts

Shut down the valve as described in section 6.2.

Fig. 1 40-EVF…NH.Ü.. (DN15 – DN25) ; 55-EVF…NH.Ü.. (DN15, DN25)

De-installation of the limit switch mounting

Switch limit switch (803) to zero-potential. Open limit switch housing (120). Loosen
hexagon nut (901/2) and screw it off and remove it together with switch actuator
(513) from the limit switch spindle (243). Loosen hexagon nut (901/3) and remove
it. Take off the limit switch housing (120) with terminal box (716) from the limit
switch connection piece (246). Remove connecting piece limit switch (246) from
solenoid housing (800).

Switch off and dismantle the solenoid drive (800) as described in the operating manual of the solenoid
drive.

DANGER!
After continuous operation, the solenoid drive may be hot! Danger of burns!

Replace the solenoid valve

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9.0 Warranty

Scope and period of the warranty is specified in the edition of the “General Terms of Business of the
UNI-Geräte E. Mangelmann Elektrotechnische Fabrik GmbH” valid at the time of delivery or else in the
purchase agreement.

We warranty that the valve is free from faults in line with the state of the art and for the confirmed field
of application.

No warranty claims will be accepted for damage resulting from improper use or failure to observe
these operating and installation instructions, the statutory accident prevention regulations, the EN, DIN
and VDE standards and other codes and regulations.
Warranty claims will also not be accepted for damage occurring during operation due to operating
conditions deviating from those specified in the data sheet or in other agreements.
Justified complaints will be remedied by reworking by us or specialist companies authorised by us.

Claims going beyond the scope of the warranty will not be accepted. The customer shall have no right
to the supply of a replacement valve.

Maintenance work, installation of parts from other manufacturers, any modifications to the design and
natural wear are not covered by the warranty.

Transport damage must be reported not to us but without delay to your responsible goods handling
company, the railway company or the shipping agent as otherwise all claims for damages against
these companies will be voided.

10.0 Explanations on Codes and Directives

The Commission of the European Union has laid down common directives for the free trading of
goods within the Union specifying minimum requirements for safety and health protection. The CE
symbol confirms that products comply with the EU directives, i.e. in conformity with the relevant, in
particular harmonised standards. Directives 97/23/EC are of relevance for the gas solenoid valve
(mechanical part).
Notes on Directive 97/23/EG (Pressure Equipment Directive, PED):
It has been conformed that the quality assurance in design control, manufacture and final acceptance
of the manufacturer, UNI-Geräte E. Mangelmann Elektrotechnische Fabrik GmbH, satisfy the require­ments of 97/23/EC Annex III Module H. The gas solenoid valves comply with the fundamental require­ments of Directive 97/23/EC. Valves with permissible working pressures ≤ 0.5 bar, DN ≤ 25 and all
products certified in accordance with category I and with 94/396/EEC are not covered by 97/23/EC.
Only products covered by DGRL and classified in category I or higher may be marked in accordance
with 97/23/EC. Fluid group 1 includes explosive, inflammable and toxic media. Fluid group 2 includes
media not belonging to fluid group 1.
Note concerning ex-guideline 94/9/EC (explosion guideline ATEX):
The product is not subject to guideline 94/9/EC, since due to the loads occurring during practical
operation, there is no effective source of ignition even in case of an error case to be assumed. This
also applies for spring-loaded components, in gas-filled rooms. In case of electric drives, sensors or
other electric components the application as per 94/9/EC is to be checked separately.

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11.0 Drawing

11.1 Fig.1 40-EVF…NH.Ü.. (DN15 – DN25) ; 55-EVF…NH.Ü.. (DN15, DN25)

097 716

901/3

513

901/2

243

219/2

210

503/2

207

908

407

949

906

406

901/1

214

902/2

110

943/1

227

503/1

109

901/4

403

246

403

800

106

943/2

219/1

206

901/3

803

120

941/2

941/1

910/2

402/3

402/2

402/1

902/1

950

400

116.001.755

108

509

504

912

200

100

910/1

948/1

948/2

O = Spare parts

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11.2 View drawing 40-EVF…NH.Ü.. (DN15 – DN25) ; 55-EVF…NH.Ü.. (DN15, DN25)

9
4
1
.
n

i
m

C

B

A

11.3 List of parts
Pos./ Item Stück/ Qty. Benennung Description

097 1 Endschalteranbau Limit switch mounting
100 1 Ventilgehäuse Valve chamber
106 1 Gehäuseoberteil Upper part of housing
108 1 Gehäuseflansch Housing flange
109 1 Gehäusezylinder Housing cylinder
110 1 Distanzstück Spacer
120 1 Endschaltergehäuse Limit switch housing
200 1 Ventilteller Valve disk
206 2 Führungsring Guide ring
207 1 Magnetkern Solenoid core
210 5 Federbolzen Spring bolt
214 1 Ventilstift Valve pin

219/x 1 Spindelmutter Spindle nut

227 1 Verdrehschutz Torsion protection
243 1 Endschalterspindel Limit switch spindle
246 1 Verbindungsstück Endschalter Connection piece limit switch

400 1 Ventiltellerdichtung Valve disc sealing
402/1 1 Flachdichtung Gasket
402/2 1 Flachdichtung Gasket
402/3 1 Flachdichtung Gasket

403 2 O-Ring O-ring

406 2 Packung Packing

407 1 Staubschutzmembrane Dust guard membrane
503/1 1 Druckfeder Pressure spring
503/2 5 Druckfeder Pressure spring

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A

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Pos./ Item Stück/ Qty. Benennung Description

504 1 Faltenbalg Expansion bellows

509 1 Distanzring Distance ring

513 1 Endschalterbetätigung Switch actuator

716 1 Klemmkasten Terminal box

800 1 Magnet-Antrieb Solenoid drive

803 1 Endschalter Limit switch
901/1 1 Sechskantmutter Hex. nut
901/2 1 Sechskantmutter Hex. nut
901/3 2 Sechskantmutter Hex. nut
901/4 1 Sechskantmutter Hex. nut
902/1 1 Bolzen Bolt
902/2 1 Bolzen Bolt

906 1 Scheibe Washer

908 1 Sicherungsblech Safety plate
910/1 4 Zylinderschraube Cylinder screw
910/2 4 Zylinderschraube Cylinder screw

912 1 Splint Split-pin
941/x 1 Gewindestift Setscrew
943/x 1 Spannstift Spring dowel sleeve
948/x 4 Nordlockscheibe Nordlock washer

949 1 SL-Sicherung SL-retainer

950 1 Kugel Ball

Spare parts

ersion Fig. Type Spare parts

Flange version Fig.1 40-EVF…NH.Ü..

DN15 – DN25

55-EVF…NH.Ü..

DN15, DN25

Solenoid drive (800)

Solenoid drive (800)

Dimension with standard solenoid drive

Flange DN

Flange ANSI
Installation lenght
40-EVF…NH.Ü.. B

55-EVF…NH.Ü.. B

* VG-chamber PN160

Dimension 15

(5N)

1/2

(**)

ØC

ØC

130/210* 150 160 /230* - - -

650 660 660 - - ­194 191 194 - - -

660 - 655 - - ­194 - 194 - - -

20

(7N)

3/4

25

(10N)

1

32

(12N)

1 1/4

40

(15N)

1 1/2

50

(20N)

2

A(**) = Dimension at ANSI 150lbs (see data sheet on our website armature installation length

225 100 026)

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12.0 Declaration of Conformity

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