Pfeiffer Vacuum DVB Series Bedienungsanleitung

Operating Instructions

BP 805 249 BE / A (0306) 1

Inline Valve

pneumatically actuated, bellows sealed

with position indicator and pilot valve

normally open

DVB 16 … 40 PX

BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet 2

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

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

provided below.

Pfeiffer Vacuum, D - 35614 Asslar

Typ:

No:

F-No:

Nominal voltage

This document applies to products with the following part numbers:

DN 16 ISO-KF DN 25 ISO-KF DN 40 ISO-KF Nominal voltage

(pilot valve) N.O.

PFD38233 PFD48233 PFD58233 24 VDC (=)

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

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

respond to the valve with the vacuum connection DN 25 ISO–KF. They apply to

valves with other vacuum connections by analogy.

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

All dimensions are indicated in mm.

The inline valves are used as shut-off and venting devices for vacuum applications.

Product Identification

Validity

Intended Use

BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet 3

Contents

Product Identification 2

Validity 2

Intended Use 2

1 Description 4

1.1 Overview 4

1.2 Functional Principle 5

2 Safety 6

2.1 Symbols Used 6

2.2 General Safety Instructions 6

2.3 Liability and Warranty 6

3 Technical Data 7

4 Installation 9

4.1 Vacuum Connection 9

4.2 Compressed Air Connection 10

4.2.1 Compressed Air Inlet 11

4.2.2 Compressed Air Outlet 12

4.3 Power Connection 12

5 Operation 16

6 Deinstallation 17

6.1 Power Connection 17

6.2 Compressed Air Connection 18

6.3 Vacuum Connection 19

7 Maintenance and Repair 20

7.1 Disassembling the Product 21

7.2 Checking and Cleaning the Parts 31

7.3 Reassembling the Product 32

8 Spare Parts 42

9 Returning the Product 44

10 Disposal 44

Declaration of Contamination 45

4BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet

1 Description

Vacuum connection

DN 16 ISO-KF

DN 25 ISO-KF

Position indication

(visual)

Position indicator

(electrical)

Connector

(enclosed)

Pilot valve

Pneumatic

actuator

Compressed air

outlet

Compressed air

inlet

Instant push-in

fittings (enclosed)

1x 2x

Caution

The compressed air inlets and outlets of the angle valves with vacuum

connection DN 40 ISO-KF and serial number (F-No) from 4470138 are

reversed in position.

Vacuum connection

DN 40 ISO-KF

Position indication

(visual)

Position indicator

(electrical)

Connector

(enclosed)

Pilot valve

Pneumatic

actuator

Compressed air

outlet

Compressed air

inlet

Instant push-in

fittings (enclosed)

1x 2x

1.1 Overview

DN 16 ISO-KF

DN 25 ISO-KF

DN 40 ISO-KF

BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet 5

When the pilot valve is deactivated, the inline valve is opened by the pneumatic

actuator. The position indicator becomes visible.

Pneumatic actuator

for opening the valve

Pilot valve

not activated

Position indicator

"valve open"

activated

Position indicator

visible

Compressed air:

outlet

inlet

When the pilot valve is activated, the inline valve is closed by the pressure spring.

The position indicator ist invisible.

Pilot valve

activated

Compressed air:

outlet

inlet

Bellows

sealing the valve

Position indicator

"valve closed"

activated

Pressure spring

for closing the valve

Position indicator

invisible

Pneumatic

actuator

1.2 Functional Principle

Opening action

Closing action

6BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet

2 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 ...

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

process media used.

Consider possible reactions between the materials (®28) 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.

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

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

· use the product with accessories, options and add-ons not listed in the

corresponding product documentation.

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

used.

2.1 Symbols Used

2.2 General Safety

Instructions

2.3 Liability and Warranty

BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet 7

3 Technical Data

Connection

Type

Nominal voltage

Power

Duty cycle

Nominal diameter

soldered joints

normally open

see product nameplate

1 W

100%

0.5 mm

Connection

Rating

soldered joints

250 VAC / 25 VA / 0.1 A

50 VDC / 12.5 W / 0.25 A

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

Actuation opening: pneumatic

closing: by pressure spring

Tube connection ø4 mm or ø6 mm

Pressure range (overpressure) 3 ... 5 bar 3 ... 6 bar

Piston displacement 5.5 cm312.1 cm326.2 cm3

Stroke of valve plate 5 mm 10 mm 14 mm

Conductance 1) 2.5 l/s 8 l/s 20 l/s

Switching frequency 2)

Opening time 2)

Closing time 2)

100 / min

100 ms

200 ms

100 / min

110 ms

290 ms

75 / min

150 ms

250 ms

Cycle life 3) 10 million

Tightness 1×10-9mbar l/s

Pressure range min. 1×10-8mbar

Pressure range max. (abs.) 4 bar 2.5 bar

In closing direction

In opening direction

Opens to a pressure difference

Dp 4)

4 bar

2 bar

4 bar

2 bar

1.5 bar

2 bar

Ambiance

Bakeout

Body

actuator

pilot valve

0 °C ... 50 °C

150 °C

50 °C

Type of protection

Protection class

IP 50 according to DIN 40 050

Installation angle

Flow direction

any

Pilot valve

Electrical position indicator

Vacuum connection

Compressed air supply

Pressure difference Dp

Temperatures

8BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet

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

Body

Bellows / valve plate

Pressure spring

DN 16+25 ISO-KF

DN 40 ISO-KF

Seals

Shell

Cylinder unit

Protective lids

Packing material

1.4301

1.4541 / 1.4301

1.4301

1.1200

FPM

ABS-V0

PA6-V0

carton box, PE, PU

Weight 0.44 kg 0.9 kg 1.52 kg

1) For air with molecular flow

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

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

4) Compressed air = 5 bar (overpressure)

DN 16 ISO-KF

DN 25 ISO-KF

DN 40 ISO-KF

135.9

157.4

177

108.9

128.9

147.8

92.5

31.5

45.5

100

130

DN F G

100

108

120

Materials

Weight

Dimensions

BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet 9

4 Installation

Skilled personnel

The vacuum connection may only be established by persons who have

suitable technical training and the necessary experience or who have

been instructed by the end-user of the product.

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 clamps which are suited to overpressure.

Caution

Caution: dirt sensitive area

Touching the product or parts thereof with one's bare hands increases

the desorption rate.

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

in this area.

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.

Keep the protective lids.

4.1 Vacuum Connection

Personnel qualifications

Overpressure 1 bar

Dirt sensitive area

Handling of vacuum compo-

nents

Protective lids

10 BP 805 249 BE / A (0306) DVB 16 … 40 PX.bet

Remove the protective lids and install the valve to the vacuum system by means of

the small flange fittings.

Any installation angle and flow direction may be chosen.

Seal with

centering ring

Clamp

ISO-KF connection

flange Protective lid

Skilled personnel

The compressed air connection may only be established by persons

who have suitable technical training and the necessary experience or

who have been instructed by the end-user of the product.

Caution

Specifications for the compressed air:

· free of particles >5 µm

· DN 16 and DN 25 ISO-KF: 3 … 5 bar overpressure

DN 40 ISO-KF: 3 … 6 bar overpressure

· dry, free of oil or containing oil (Keep using the same quality).

If using compressed air which contains oil, dispose of it in accordance

with the relevant regulations.

Caution

The plastic tube must meet the following specifications:

· bursting pressure ³10 bar overpressure

· material: PA soft or PU.

Caution

To ensure leak tightness of the instant push-in fitting

· cut the plastic tube square

· make sure the outside of the plastic tube is not damaged.

Vacuum connection

4.2 Compressed Air

Connection

Personnel qualifications

Specifications for compressed

air

Specifications for plastic tube

Tightness of connection

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