Pfeiffer Vacuum EVB 016 PA Manuale utente

Operating Instructions

BP 805 256 BE (0205) 1

Angle Valve

pneumatically operated

bellows sealed

without position indicator, without pilot valve

EVB 016 PA … 040 PA

EVB 016 PX … 040 PX

2BP 805 256 BE (0205) EVB016-A…040-A.oi

In all communications with Pfeiffer Vacuum, please specify the information on the

product nameplate. For convenient reference copy that information into the space

provided below.

Typ:

No:

F-No:

Pfeiffer Vacuum, D-35614 Asslar

This document applies to products with the following part numbers:

PFA35003

PFA45003

PFA55003

(DN 16 ISO-KF)

(DN 25 ISO-KF)

(DN 40 ISO-KF)

PFA35033

PFA45033

PFA55033

(DN 16 ISO-KF)

(DN 25 ISO-KF)

(DN 40 ISO-KF)

The part number (No) can be taken from the product nameplate.

If not indicated otherwise in the legends, the illustrations in this document corre-

spond to the valve with the nominal diameter DN 25 ISO-KF. They apply to valves

with other nominal diameters by analogy.

We reserve the right to make technical changes without prior notice.

If not indicated otherwise, the dimensions are given in mm.

The Angle valves are used as shut-off or venting devices for vacuum applications.

When compressed air is admitted to the Angle valve, it opens.

When the compressed air pressure drops, the Angle valve is closed by a pressure

spring.

Product Identification

Validity

EVB 016 PA … 040 PA

(aluminum housing)

EVB P016 PX … 040 PX

(stainless steel housing)

Intended Use

Functional Principle

BP 805 256 BE (0205) EVB016-A…040-A.oi 3

Contents

Product Identification 2

Validity 2

Intended Use 2

Functional Principle 2

1 Safety 4

1.1 Symbols Used 4

1.2 Personnel Qualifications 4

1.3 General Safety Instructions 4

1.4 Liability and Warranty 5

2 Technical Data 6

3 Installation 8

3.1 Orientation of the Actuator 8

3.2 Vacuum Connections 10

3.3 Compressed Air Connection 11

4 Operation 13

5 Deinstallation 15

6 Maintenance 17

6.1 Replacing the Valve Plate and the Seal of the Housing 17

7 Spare Parts 21

8 Consumables 21

9 Returning the Product 22

10 Disposal 22

Declaration of Contamination 23

4BP 805 256 BE (0205) EVB016-A…040-A.oi

1 Safety

DANGER

Information on preventing any kind of physical injury.

WARNING

Information on preventing extensive equipment and environmental damage.

Caution

Information on correct handling or use. Disregard can lead to malfunctions or

minor equipment damage.

®2See page ...

Skilled personnel

All work described in this document may only be carried out by persons who

have suitable technical training and the necessary experience or who have been

instructed by the end-user of the product.

· Adhere to the applicable regulations and take the necessary precautions for the

process media used.

Consider possible reactions between the materials (®26) and the process

media.

· Adhere to the applicable regulations and take the necessary precautions for all

work you are going to do and consider the safety instructions in this document.

· Before beginning to work, find out whether any vacuum components are con-

taminated. Adhere to the relevant regulations and take the necessary precau-

tions when handling contaminated parts.

Communicate the safety instructions to all other users.

1.1 Symbols Used

1.2 Personnel Qualifications

1.3 General Safety

Instructions

BP 805 256 BE (0205) EVB016-A…040-A.oi 5

Pfeiffer Vacuum assumes no liability and the warranty becomes null and void if the

end-user or third parties

· disregard the information in this document

· use the product in a non-conforming manner

· make any kind of interventions (modifications, alterations etc.) on the product

The end-user assumes the responsibility in conjunction with the process media

used.

1.4 Liability and Warranty

6BP 805 256 BE (0205) EVB016-A…040-A.oi

2 Technical Data

Connection flanges DN 16 ISO-KF DN 25 ISO-KF DN 40 ISO-KF

Actuation opening: pneumatic

closing: by pressure spring

Compressed air supply

tube connection

pressure range

ø4 mm or ø6 mm

3 … 8 bar overpressure

displaced volume 5.5 cm312.1 cm326.2 cm3

Stroke of valve plate 5 mm 10 mm 14 mm

Conductance 1) 4.5 l/s 16 l/s 40 l/s

Switching frequency 2)

Opening time 2)

Closing time 2)

100 / min

100 ms

100 / min

150 ms

75 / min

250 ms

Uptime 3) 10 million cycles

Tightness 1×10-9 mbar l/s

Pressure range (abs.) 1×10-8 mbar …

… 2 bar … 1.5 bar

Resistance to pressure (abs.) 4 bar 2.5 bar

Pressure difference Dp

in closing direction

in opening direction

Opens

to pressure difference Dp 4)

4 bar

2 bar

4 bar

2 bar

1.5 bar

2 bar

Temperatures

operation

ambiance

bakeout

aluminum housing

stainless steel housing

actuator

£50 °C

0 … 50 °C

80 °C

150 °C

50 °C

Mounting orientation

Flow direction

any

Materials

housing

EVB 016 PA … 040 PA

EVB 016 PX … 040 PX

bellows

valve plate

seals

aluminum (3.2381)

stainless steel (1.4301)

stainless steel (1.4541)

stainless steel (1.4301)

FPM75

Weight

EVB 016 PA … 040 PA

EVB 016 PX … 040 PX

0.25 kg

0.40 kg

0.55 kg

0.80 kg

1.25 kg

2.00 kg

1) For air with molecular flow.

2) With pressure difference Dp = 0, compressed air = 5 bar overpressure,

pilot valve (3/2 way) with nominal diameter 2 mm and 1 m tube with OD 4 mm.

3) Cycles without expendable parts (seals) and under clean operating conditions.

4) Compressed air = 5 bar overpressure.

BP 805 256 BE (0205) EVB016-A…040-A.oi 7

DN 16 ISO-KF

DN 25 ISO-KF

DN 40 ISO-KF

104.2

135.3

161.5

77.5

101.3

119.5

included

Compressed air in- and outlet

Protective lid

Dimensions [mm]

8BP 805 256 BE (0205) EVB016-A…040-A.oi

3 Installation

DANGER

Caution: overpressure

Obstructing the bore hole can cause injuries by catapulted parts (e.g.

cover).

Make sure the bore hole is not obstructed.

Cover

Bore hole for air

intake/exhaust

according to

displacement volume

For easy adaptation to the space requirements, the actuator is infinitely rotatable.

Press the actuator down and remove the hexagon socket set screws.

When the actuator is released, the pressure spring is partly

relieved, which causes the upper part of the actuator to rise by a

few millimeters.

4 hexagon socket set screws

Size 2

Upper part of the actuator

3.1 Orientation of the

Actuator

Rotating the actuator

BP 805 256 BE (0205) EVB016-A…040-A.oi 9

Lift the actuator and turn it into the desired position.

Put the actuator in place, press it down and secure it with the 4 hexagon

socket set screws.

4 hexagon socket set screws

Size 2

10 BP 805 256 BE (0205) EVB016-A…040-A.oi

DANGER

Caution: overpressure in the vacuum system >1 bar

Injury caused by released parts and harm caused by escaping process

gases can result if clamps are opened while the vacuum system is

pressurized.

Do not open any clamps while the vacuum system is pressurized. Use

the type of clamps which are suited to overpressure.

DANGER

Caution: overpressure in the vacuum system >2.5 bar

KF flange connections with elastomer seals (e.g. O-rings) cannot

withstand such pressures. Process media can thus leak and possibly

damage your health.

Use O-rings provided with an outer centering ring.

Caution

Caution: vacuum component

Dirt and damages impair the function of the vacuum component.

When handling vacuum components, take appropriate measures to

ensure cleanliness and prevent damages.

Caution

Caution: dirt sensitive area

Touching the product or parts thereof with bare hands increases the

desorption rate.

Always wear clean, lint-free gloves and use clean tools when working

in this area.

Remove the protective lids and install the product.

Any mounting orientation and flow direction may be chosen.

Seal with

centering ring

Clamp

ISO-KF connection flange Protective lid

Keep the protective lids.

3.2 Vacuum Connections

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