FNW FNWXBTWN User Manual

Figure XBTW

GAUGES & THERMOMETERS

LOW LEAD COMPLIANT BRASS THERMOWELL

Designed for use with all 9” (228mm) industrial thermometers to create a “sealed
system”. Thermowells provide insertion of various temperature instruments while
protecting them from damage due to process media pressure, abrasion, velocity,
or corrosion. In addition, thermowells allow for removal of temperature instruments
for repair, replacement, or calibration without the need to shut down or drain the
process.

Features

• Lead Free Brass Construction

• Complies with Federal Lead-Free Law (Sec. 1417)

• Accepts 3.5” (90mm) Stem

• 7/16” Bore Diameter Taper

• Stepped Standard Form

• 3/4” MNPT Process Connection

• 1-1/4”-18 Instrument Connection

Standards

• NPT Connections Per ASME B1.20.1

• Instrument Connection Per UNEF

• CAN/CGSB 14.4-M88 Compliant

• Meets ASME B40.200 for Thermowells (Includes B40.9)

Low Lead Compliant: Referring to laws defi ning “Lead Free” as wetted
surface of pipe, fi ttings and fi xtures in potable water systems that have a
weighted average lead content ≤ 0.25% per the Safe Drinking Water Act (Sec.

1417) amended 1-4-2011 as well as other state regulations.

LOW

LEAD

COMPLIANT

CALIFORNIA PROP 65 WARNING:

• This product contains lead or lead compounds known to the State of California
to cause cancer and birth defects and other reproductive harm. Do not use in
connection with drinking water. Wash hands after handling.

Part Number

Size Part Number

3-1/2” FNWXBTWN

1-1/4"-18 UNEF

Thermometer

Connection

4.13

2.56 0.81

1.65

3/4" MNPT

DOC: FNWBTW09 Ver. 3/2016

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The contents of this publication are presented for information purposes only, and while effort has been made to ensure their accuracy, they are not to be construed as
warranties or guarantees, expressed or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and

conditions, which are available on request. We reserve the right to modify or improve the designs or specifi cations of our products at any time without notice. Always
verify that you have the most recent product specifi cations or other documentation prior to the installation of these products.

1.50

R0.25

0.63