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Supplement

7.1

Technical data

General data

Material 316L corresponds to 1.4404 or 1.4435

Process fittings

Ʋ Pipe thread, cylindrical (DIN 3852-A)

Ʋ Pipe thread, conical (ASME B1.20.1)

Tube diameter of the sensor

Min. length of the sensor

Materials

Ʋ Lock fitting

Ʋ Graphite packing ring

Ʋ Process seal

Terminal screws

Fixing screw

Torques

Ʋ Terminal screws

Ʋ Terminal screws, in conjunction with

tube of Alloy C22 (2.4602)

Ʋ Pressure screw

Process conditions

Operating pressure

Process temperature

Approvals

In conjunction with a corresponding point level sensor, Arretierverschraubung has the following

approvals.

ATEX ia

ATEX d

FM Zone 0

FM Zone 2

Ship approvals

Not with thread NPT.

Take note of the corresponding certificates of the sensor.

G1, G1½

1 NPT, 1½ NPT

ø 21.3 mm (0.84 in) according to DIN 2463/2462 D4-T3

175 mm (6.89 in)

316L

Graphite

Klingersil C-4400

Hexagon screws DIN 912, M6 x 25 material A4-70 ac-

cording to AD leaflet W2; corresponding spring rings B6

materials A4 according to DIN 7980

Hexagon screw DIN 7964, M4 x 10 material A4-70;

corresponding spring ring B4 material A4 according to

DIN 7980

3 ±1 Nm (2.2 ±0.7 lbf ft)

4.5 ±1 Nm (3.3 ±0.7 lbf ft)

70 ±10 Nm (51 ±7 lbf ft)

16 bar (232 psig)

Take note of the nominal pressure of the sensor. The

lower permissible operating pressure is valid.

-50 ... +150 °C (-58 ... +302 °F)

ATEX II 1G, 1/2G, 2G Ex ia IIC T6; ATEX II 1G, 1/2G Ex

ia IIC T6

ATEX II 1/2G, 2G Ex d IIC T6

FM Zone 0, Division 1, intrinsic safe; FM Zone 0, Divi-

sion 1, explosion safe

FM Zone 2, Division 2

Lock fitting - Operating Instructions

MAN-100057