Type 8311

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Environment and installation

Ambient temperature

0…+ 60 °C (32…+ 140 °F)

Relative air humidity

≤ 80 %, without condensation

Height above sea level

Max. 2000 m

Operating conditions

Continuous

Equipment mobility

Fixed

Application range

Indoor and outdoor (protect the device against electromagnetic interference, ultraviolet rays and,

when installed outdoors, against the effects of climatic conditions)

Installation category

Category I according to UL/EN 61010-1

Pollution degree

Degree 2 according to UL/EN 61010-1

2.

Approvals

2.1. Pressure Equipment Directive

The device conforms to Article 4, Paragraph 1 of the Pressure Equipment Directive 2014/68/EU under the following conditions:

Device used on a pipe

Note:

• The data in the table is independent of the chemical compatibility of the material and the fluid.

• PS = maximum admissible pressure, DN = nominal diameter of the pipe

Type of fluid

Conditions

Fluid group 1, Article 4, Paragraph 1.c.i

DN ≤ 25

Fluid group 2, Article 4, Paragraph 1.c.i

DN ≤ 32 or PS*DN ≤ 1000

Fluid group 1, Article 4, Paragraph 1.c.ii

DN ≤ 25 or PS*DN ≤ 2000

Fluid group 2, Article 4, Paragraph 1.c.ii

DN ≤ 200 or PS ≤ 10 or PS*DN ≤ 5000

Device used on a vessel

Note:

• The data in the table is independent of the chemical compatibility of the material and the fluid.

• PS = maximum admissible pressure, V = vessel volume

Type of fluid

Conditions

Fluid group 1, Article 4, Paragraph 1.a.i

V > 1 L and PS*V ≤ 25 bar.L or PS ≤ 200 bar

Fluid group 2, Article 4, Paragraph 1.a.i

V > 1 L and PS*V ≤ 50 bar.L or PS ≤ 1000 bar

Fluid group 1, Article 4, Paragraph 1.a.ii

V > 1 L and PS*V ≤ 200 bar.L or PS ≤ 500 bar

Fluid group 2, Article 4, Paragraph 1.a.ii

PS > 10 bar and PS*V ≤ 10000 bar.L or

PS ≤ 1000 bar

3.

Materials

3.1. Chemical Resistance Chart – Bürkert resistApp

Bürkert resistApp – Chemical Resistance Chart

You want to ensure the reliability and durability of the materials in your individual

application case? Verify your combination of media and materials on our website or in

our resistApp.

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