Rosemount Hygienic Process Connection Adapters (FB-1001, FB-1002, FB-1010, FB-1011, FB-1020, FB-1021, FB-1022) Quick Start Guide

00825-0100-4103, Rev 02

Rosemount™ Hygienic Process
Connection Adapter

Dairy Coupling, VARIVENT®, Tri Clamp

Quick Start Guide

August 2020

1 About this guide

This guide provides instructions for installing a hygienic process
connection adapter on Rosemount 326, 327, and 1408 transmitters
with G1 process connectors. The following adapters are covered by
this guide:

Table 1-1: Hygienic Process Connection Adapters

Part number Description

FB-1001 1½-in. Tri Clamp (ISO 2852 / DIN 32676)

FB-1002 2-in. Tri Clamp (ISO 2852 / DIN 32676)

FB-1010 VARIVENT® Type F

FB-1011 VARIVENT Type N

FB-1020 DN32 Dairy Coupling (DIN 11851)

FB-1021 DN40 Dairy Coupling (DIN 11851)

FB-1022 DN50 Dairy Coupling (DIN 11851)

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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.

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2 Install the adapter

326P

1408

326L

327T

Prerequisites

Use a new adapter when replacing a PEEK sealing ring or changing
from a PEEK seal to O-ring sealing.

Procedure

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

1.

Note

Be careful not to scratch or damage the surfaces of the
transmitter.

2. Grease the transmitter thread with lubricating paste.

Note

The paste must be approved for the application and
compatible with the elastomers used.

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3. (Only for DIN 11851) Slide the coupling nut up over the
bottom of the transmitter.

4. Screw the adapter onto the transmitter until it is hand-tight.

5. Secure the transmitter and adapter using a vise.

CAUTION

Do not over-tighten the vise as it might damage the adapter.

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6. Tighten the transmitter to the recommended torque.

34 mm / 39 mm

Torque 310 in-lb (35 N-m)

Note

Further tightening may affect the sealing effect.

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3 Mount the transmitter

Procedure

Mount the transmitter and adapter assembly using a fixing element
(coupling nut or clamp flange).

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4 Product certifications

4.1 3-A® certification

FB-1001, FB-1002, FB-1010, and FB-1011 are authorized to display the
3-A symbol. Ensure gaskets and any other accessories selected for
installation meet both the application and 3-A requirements. A
certificate of compliance is available at

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

Emerson.com/Rosemount.

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*00825-0100-4103*

Quick Start Guide

00825-0100-4103, Rev. 02

August 2020

Emerson Automation Solutions

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[phone] or [phone]

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