Endress+Hauser TA570 Specifications

Technical Information

Omnigrad TA570

Industrial thermowell
Heavy duty - General purpose
From round bar stock - Socket weld type
Also Dow Chemical G6D-7001-00

Application

The thermowell TA570 is especially designed for use
with resistance and thermocouple thermometers mainly
in heavy duty applications.

Benefits at a glance

• The TA570 is an industry standard thermowell,
manufactured from round bar stock.

• The process connection is socket weld.

• Optionally the thermowell stem shape can be straight,
conical or conical tapered. The extension, the immer­sion and the tapering lengths can be chosen according
to process requirements.

• Wide choice of standard materials. Additional versions
can be ordered according to specification.

• Different grades of surface finishing.

TI161T/02/en
71108028

TA570

Technical data

Round bar stock • Standard reference: Dow Chemical G6D-7001-00

• Socket size diameter: 35...49 mm (1.38...1.9 in)

• Immersion O.D.: < socket size diameter

• Standard material: AISI316Ti/W.1.4571, AISI316/W.1.4401, AISI316 L/W.1.4404, AISI321/W1.4541

1

Connection to thermometer Thread: ½" NPT, ½" NPSM

, ½" BSP, G½" BSPF - female

Process connection Socket weld

Tip • Shape: Straight, conical or conical tapered tip

• Bottom thickness: 6 mm (0.24 in)

Surface roughness Finishings: 0.8 μm (0.32 μin) or 1.6 μm (0.63 μin)

Mechanical construction

Thermowell dimensions in mm (in):
1 Continuous straight shape, flat bottom
2 Conical tip shape, flat bottom
3 Conical tapered tip shape, flat bottom
4 Rounded bottom

Pos.-No. Description

A Total length, nominal length: 125...1000 mm (4.9...39.4 in)

U Immersion length: 150 mm (5.9 in), 225 mm (8.9 in)

T Extension, 75 mm (2.96 in)

D Bottom thickness

øQ1
øQ2

øF1 Bore diameter: 7 mm (0.28 in)

R Thermowell tip length, specification see product structure

S Thermometer connection thread S, specification see product structure

Diameter thermowell tip, specification see product structure
Note: Wall thickness 3 mm (0.12 in) minimum, (Q2 - F1)/2  3 mm (0.12 in)

A0014161

1. Thermowell thread complete with ½" NPS plug. NPSM pipe internal thread will accept
both NPT and NPS male thread.

2 Endress+Hauser

TA570

Ordering information

Product structure This information provides an overview of the order options available. The information is not exhaustive, how-

ever, and may not be fully up to date. More detailed information is available from your local
Endress+Hauser representative.

TA570- Heavy duty thermowell - General purpose - From round bar stock; socket weld type - Ø35...49 mm

TA570- 1  Order code

Also Dow Chemical G6D-7001-00

Thermometer connection S

1 ½" NPSM thermometer connection

2 Thread ½" NPT

3 Thread BSP ½"

4 ½" BSPF thermometer connection

Extension T; D1; Q1; Q2; R

1 75 mm; 48 mm; 25 mm; 18 mm; 0 mm

9 ... mm, as specified

Immersion length U

UA 150 mm

UB 225 mm

YY ..... mm, as specified

Thermowell material

B 316Ti/1.4571

C 316/1.4401

D 316L/1.4404

F 321/1.4541

Thermowell finishing

10,8 μm

41,6 μm

Bottom thickness D, shape

B 6 mm; flat (Dow Chemical Standard)

D 6 mm; rounded (½ Q2)

Bore diameter F1

17 mm

Safety plug + chain

A Not needed

B Material 316L/1.4404

Additional option

0 Not needed

1 Special version, TSP-no. to be specified

Endress+Hauser 3

Instruments International

Endress+Hauser
Instruments International AG
Kaegenstrasse 2
4153 Reinach
Switzerland

Tel. [phone]
Fax [phone]
www.endress.com
[e-mail]

TA570

TI161T/02/en/07.10
FM+SGML 6.0
71108028