Emerson Rosemount 326 Manuale utente

Quick Start Guide

00825-0100-4104, Rev 02

August 2020

Rosemount™ Hygienic Process

Connection Adapter

Weld-in Adapter

1 About this guide

This guide provides instructions for installing the Rosemount 326,

327, and 1408 transmitters with G1 process connectors using a

weld-in adapter (part number FB-1041).

1.1 Safety instructions

Follow these guidelines to ensure safe use and extend the life of the

product.

CAUTION

•Read this document before using the product and keep it during

the entire service life.

•The product must be suitable for the corresponding applications

and environmental conditions without any restrictions.

•Only use the product for its intended purpose.

•If the operating instructions or the technical data are not adhered

to, personal injury and/or damage to property might occur.

•The manufacturer assumes no liability or warranty for any

consequences caused by tampering with the product or incorrect

use by the operator.

•Installation, electrical connection, set-up, operation and

maintenance of the product must be carried out by qualified

personnel.

1.2 Hygienic adapter O-ring

The adapter comes with an EPDM O-ring. More O-rings are available

as accessories. See each product's Product Data Sheet for more

information.

2 Install the weld-in adapter

Use the weld-in adapter to install transmitters with G1 process

connections to containers or pipes.

Prerequisites

After welding, allow the adapter to cool before installing. Do not weld

the adapter to the container or pipe with the transmitter connected.

Procedure

1. Bore a hole that has the outside diameter of the adapter in the

pipe or container wall.

Maximum oversize: 0.008 in (0.2 mm)

2. Weld the adapter.

Note

While welding, prevent the adapter from warping.

a) Turn the marking (1) (marking may vary) to the

position shown below for the display of the screwed

transmitter.

b) Fix the adapter in several spots with a sufficient

adhesive force.

Apply the fixing points at equal distances opposite

each other.

c) Apply the welding seams between the fixing points

opposite each other.

Ensure sufficient and even distance between the

individual sections to avoid glowing through or

warping of the adapter caused by overheating.

3. Allow the adapter to cool.

4. If used, remove the welding mandrel.

5. Remove deposits from the thread.

3 Mount the transmitter

Follow these steps to mount the transmitter to a container or pipe

using the weld-in adapter.

Procedure

1. Remove the transmitter from the protective packaging.

2. If needed, clean the sealing areas.

3. Place the O-ring in the groove of the transmitter.

Note

Be careful not to scratch or damage the surfaces of the

transmitter.

326P

1408

326L

327T

4. Grease the transmitter thread with lubricating paste.

Note

The paste must be approved for the application and

compatible with the elastomers used.

5. Tighten the transmitter to the recommended torque.

Note

Over tightening the transmitter can impair the seal. If the

sealing areas are damaged, replace the O-ring or the entire

process connector.

34 mm / 39 mm

Torque 310 in-lb (35 N-m)

4 Product certifications

4.1 3-A® certification

This product is authorized to display the 3-A symbol. Ensure gaskets

and process connection accessories selected for installation meet

both the application and 3-A requirements. A certificate of

compliance is available at Emerson.com/Rosemount.

4.2 Other industry certifications

All connector surfaces and materials which come into contact with

process medium comply with the following regulations:

•(EC) No. 1935/2004

•(EC) No. 2023/2006

•CFR Title 21 (FDA) § 177.2600

•CFR Title 21 (FDA) § 177. 2415

*00825-0100-4104*

Quick Start Guide

00825-0100-4104, Rev. 02

August 2020

Emerson Automation Solutions

6021 Innovation Blvd.

Shakopee, MN 55379, USA

+1 800 999 9307 or +1 952 906 8888

+1 952 949 7001

[email protected]

North America Regional Office

Emerson Automation Solutions

8200 Market Blvd.

Chanhassen, MN 55317, USA

+1 800 999 9307 or +1 952 906 8888

+1 952 949 7001

[email protected]

Linkedin.com/company/Emerson-Automation-Solutions

Twitter.com/Rosemount_News

Facebook.com/Rosemount

Youtube.com/user/RosemountMeasurement

Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a

trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the

Emerson family of companies. All other marks are the property of their respective owners.

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