GEA ECOVENT TEFASEP-Gold ECO E Manuale utente

Hygienic valves

GEA ECOVENT® accessories - angle seat valve_TEFASEP-Gold

Assembling Instruction (Translation from the original language)

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These Operating Instructions are the English translation of the original operating instructions in the

The document may not, in whole or in part, be copied, reproduced, translated or reduced to an

electronic medium of machine-readable form without the express permission of GEA Tuchenhagen

GmbH.

LEGAL NOTICE

Word marks

The designation VARIVENT® is a protected trademark of GEA Tuchenhagen GmbH.

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TABLE OF CONTENTS

1 General Information 5

1.1 Information about this document 5

2 Safety 6

2.1 Intended use 6

3 Technical data 7

3.1 Technical data 7

3.2 Tightening torques for the hinged clamps/ cast C-rings 8

4 Tefasep Gold 9

4.1 Note 9

4.2 Servicing intervals 10

4.3 Exchanging the O-ring (TEFASEP gold) 11

5 Spare parts list - angle seat valve ECO NI 13

6 Dimension sheet - angle seat valve_ECO E 15

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1 General Information

1.1 Information about this document

These additional operating instructions are part of the user information for the valve.

These additional operating instructions contain the manufacturer's instructions to the operator of

the valve and to all persons who work on or use the valve regarding the procedures to follow.

They include basic instructions for use of the valves. This document is a supplement to the general

standard operating instructions for the ECOVENT angle seat valves and is therefore to be

considered part of it.

These additional operating instructions must be observed before installation and commissioning.

General Information

Information about this document

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2 Safety

2.1 Intended use

The valve is used for opening and closing pipeline sections.

Proper use of the valve also includes compliance with these operating instructions.

The medium should preferably flow in the opening direction of the valve disk to avoid pipe

hammers when the valve is opened or closed.

In a closed pipe system, hydraulic pressure build-up may occur when the valve switches and result

in seal damage.

Hint!

The manufacturer will not accept any liability for damage resulting from any use of the

valve which is not in accordance with the designated use of the valve. The risk is

borne solely by the operating company.

Safety

Intended use

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3 Technical data

3.1 Technical data

Refer to the following tables for the key technical data of the valve:

Technical data: Valve

Designation Description

Size 4" to 6" OD

Material of product contact parts Stainless steel 1.4404

Fitting position Any position, if valve and pipe system can drain

properly

Technical data: Ambient temperatures

Designation Description

Valve

0 to 45 °C (32 ... 113 °F), standard

< 0 °C (32 °F): Use control air with low dew

point. Protect valve rods against freezing.

< −15 °C: no solenoid valves in the control top

Initiator -20 to +80 °C (-4 ... +176 °F)

Product temperature and operating temperature depending on the sealing material

Technical data: Compressed air supply, product pressure

Designation Description

Air hose

•Metric Material PE-LD Outer-Ø 6 mm +/- 0.1 mm

Inside Ø 4 mm

•Inch Material PA outer-Ø 6.35 mm +/- 0.1 mm

Inside Ø 4.3 mm

Control air acc. to ISO 8573-1

•Solid particle content:

Quality class 6

Particle size max. 5 µm

Particle density max. 5 mg/m3

•Water content:

Quality class 4

max. dew point +3 °C

If the unit is used at higher altitudes or at low

ambient temperatures, the dew point must be

adapted accordingly.

•Oil content:

Quality class 3,

preferably oil free

max. 1 mg oil to 1 m3 air

Technical data

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Technical data: Compressed air supply, product pressure

Designation Description

Control air pressure

6 bar (87 psi), max. 8 bar (116 psi)

configuration with standard drive

Alternative combinations of product pressure

and control air pressure on request

Product pressure 2 bar (30 psi) configuration with standard

actuator

3.2 Tightening torques for the hinged clamps/ cast C-rings

Tighten the nuts of the hinged clamps to the tightening torques specified in the table.

Required tightening torques

Size [Nm] [lbft] Valve stroke [c]

4'' OD 22 15.4 155mm

6'' OD 45 31.5 230mm

- Check function

- Actuate valve with compressed air

- Check whether the valve stroke (c) is correct

Fig.1

Technical data

Tightening torques for the hinged clamps/ cast C-rings

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4 Tefasep Gold

4.1 Note

Hint!

TEFASEP gold valve seat seals achieve optimal sealing only after an initial CIP or SIP

cleaning.

CIP or SIP cleaning operating conditions:

-Medium: lye, hot water or saturated steam

- Temperature: >80 °C (176 °F)

- Hold time: 20 … 30 min

The valve must be brought to the closed position for a brief period (3 minutes)

immediately after CIP or SIP cleaning.

During commissioning, regularly check all sealing points for leaks.

Exchange defective seals and repeat the CIP or SIP process.

Tefasep Gold

Note

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4.2 Servicing intervals

To ensure the highest operational reliability, all wearing parts should be replaced at longer

intervals.

The actual servicing intervals can only be determined by the user since they depend on the

operating conditions, for instance:

•daily period of use,

•switching frequency,

•type and temperature of the product,

•type and temperature of the cleaning solution,

•ambient conditions.

Servicing intervals

Applications Servicing Intervals (Guideline Values)

Elastomers

Servicing Intervals (Guideline Values)

TEFASEP gold (hard seal)

Media at temperatures of

60 °C to 130 °C

(140 °F to 266 °F)

approx. every 3 months approx. every 12 months

Media at temperatures of

< 60 °C

(< 140 °F)

approx. every 12 months approx. every 12 months

Tefasep Gold

Servicing intervals

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