Rosemount Quick Start Guide: Rosemount™ Hygienic Process Connection Adapters (FB-1041) Manuals & Guides

00825-0100-4104, Rev 02

Rosemount™ Hygienic Process
Connection Adapter

Weld-in Adapter

Quick Start Guide

August 2020

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

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

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

1.
pipe or container wall.

Maximum oversize: 0.008 in (0.2 mm)

Weld the adapter.

2.

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.

3