Technical Data; Conformity; Standards; Operating Conditions - Burkert 8750 Quick Start Manual

Technicaldata
7 TECHNICAL DATA
7.1

Conformity

Type 8750 conforms to the EC directives according to the EC Dec-
laration of Conformity.
7.2

Standards

The applied standards which are used to demonstrate compliance with
the EC Directives are listed in the EC type test certificate and/or the
EC Declaration of Conformity.
7.3 Operating conditions
Ambient temperature
Degree of protection: IP65 / IP67 according to EN 60529
(only if cables, plugs and sockets have been connected correctly
and in compliance with the exhaust air concept in Chapter "9.3
Pneumatic connection of the process controller")
7.4 Mechanical data
Materials
Valve body Stainless steel 1.4301 and 1.4404/316L
Actuator PPS, stainless steel
Process controller PPS, PC, stainless steel
Seals process controller EPDM
Other parts which come into contact with media
Graphite seal Graphite
Packing gland PTFE rings with silicone grease
Typ 8750
0...+55 °C
Pressure sensor, gasket PTFE
Seat seal EPDM
Control cone Stainless steel 1.4571
Spindle Stainless steel 1.4404
Dowel pin Stainless steel A2
Inlet and outlet sections acc. to EN ISO 5167-1
Inlet sections
Valve completely open
20 x D
90° bend or T-piece
20 x D
Widening
18 x D
Reduction
15 x D
Fig. 5: Inlet sections
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